noVNC: HTML VNC Client Library and Application

Description.

noVNC is both a HTML VNC client JavaScript library and an application built on top of that library. noVNC runs well in any modern browser including mobile browsers (iOS and Android).

Many companies, projects and products have integrated noVNC including OpenStack , OpenNebula , LibVNCServer , and ThinLinc . See the Projects and Companies wiki page for a more complete list with additional info and links.

Table of Contents

News/help/contact, screenshots, browser requirements, server requirements, quick start, installation from snap package, integration and deployment, authors/contributors.

The project website is found at novnc.com . Notable commits, announcements and news are posted to @noVNC .

If you are a noVNC developer/integrator/user (or want to be) please join the noVNC discussion group .

Bugs and feature requests can be submitted via github issues . If you have questions about using noVNC then please first use the discussion group . We also have a wiki with lots of helpful information.

If you are looking for a place to start contributing to noVNC, a good place to start would be the issues that are marked as “patchwelcome” . Please check our contribution guide though.

If you want to show appreciation for noVNC you could donate to a great non- profits such as: Compassion International , SIL , Habitat for Humanity , Electronic Frontier Foundation , Against Malaria Foundation , Nothing But Nets , etc. Please tweet @noVNC if you do.

  • Supports all modern browsers including mobile (iOS, Android)
  • Supported VNC encodings: raw, copyrect, rre, hextile, tight, tightPNG
  • Supports scaling, clipping and resizing the desktop
  • Local cursor rendering
  • Clipboard copy/paste
  • Translations
  • Touch gestures for emulating common mouse actions
  • Licensed mainly under the MPL 2.0 , see the license document for details

Running in Firefox before and after connecting:

See more screenshots here .

noVNC uses many modern web technologies so a formal requirement list is not available. However these are the minimum versions we are currently aware of:

  • Chrome 64, Firefox 79, Safari 13.4, Opera 51, Edge 79

noVNC follows the standard VNC protocol, but unlike other VNC clients it does require WebSockets support. Many servers include support (e.g. x11vnc/libvncserver , QEMU , and MobileVNC ), but for the others you need to use a WebSockets to TCP socket proxy. noVNC has a sister project websockify that provides a simple such proxy.

Use the novnc_proxy script to automatically download and start websockify, which includes a mini-webserver and the WebSockets proxy. The --vnc option is used to specify the location of a running VNC server:

./utils/novnc_proxy --vnc localhost:5901

Point your browser to the cut-and-paste URL that is output by the novnc_procy script. Hit the Connect button, enter a password if the VNC server has one configured, and enjoy!

Running the command below will install the latest release of noVNC from Snap:

sudo snap install novnc

Running noVNC

You can run the Snap-package installed novnc directly with, for example:

novnc --listen 6081 --vnc localhost:5901 # /snap/bin/novnc if /snap/bin is not in your PATH

Running as a Service (Daemon)

The Snap package also has the capability to run a ‘novnc’ service which can be configured to listen on multiple ports connecting to multiple VNC servers (effectively a service runing multiple instances of novnc). Instructions (with example values):

List current services (out-of-box this will be blank):

Create a new service that listens on port 6082 and connects to the VNC server running on port 5902 on localhost:

sudo snap set novnc services.n6082.listen=6082 services.n6082.vnc=localhost:5902

(Any services you define with ‘snap set’ will be automatically started) Note that the name of the service, ‘n6082’ in this example, can be anything as long as it doesn’t start with a number or contain spaces/special characters.

View the configuration of the service just created:

Disable a service (note that because of a limitation in Snap it’s currently not possible to unset config variables, setting them to blank values is the way to disable a service):

sudo snap set novnc services.n6082.listen='' services.n6082.vnc=''

(Any services you set to blank with ‘snap set’ like this will be automatically stopped)

Verify that the service is disabled (blank values):

Please see our other documents for how to integrate noVNC in your own software, or deploying the noVNC application in production environments:

  • Embedding - For the noVNC application
  • Library - For the noVNC JavaScript library

See AUTHORS for a (full-ish) list of authors. If you’re not on that list and you think you should be, feel free to send a PR to fix that.

  • Joel Martin
  • Samuel Mannehed (Cendio)
  • Solly Ross (Red Hat / OpenStack)
  • Pierre Ossman (Cendio)
  • UI and Icons : Pierre Ossman, Chris Gordon
  • Original Logo : Michael Sersen
  • tight encoding : Michael Tinglof (Mercuri.ca)
  • base64 : Martijn Pieters (Digital Creations 2), Samuel Sieb (sieb.net)
  • DES : Dave Zimmerman (Widget Workshop), Jef Poskanzer (ACME Labs)
  • Pako : Vitaly Puzrin (https://github.com/nodeca/pako)

Do you want to be on this list? Check out our contribution guide and start hacking!

My thoughts on Slackware, life and everything

  • Alien’s ARM
  • PDO Powered
  • Cloud Server
  • Slackware Artwork
  • Privacy Policy
  • Your feedback (older)
  • Remote access to your VNC server via modern browsers

novnc safari

For me the answer is simple: I work for a company that runs Linux in its datacenters but offers only Windows 10 on its user desktops and workstations. Sometimes you need to test work related stuff on an Internet-connected Linux box. But even more importantly: when I travel, I may need access to my tools – for instance to fix issues with my repositories, my blog, my build server, or build a new package for you guys.

This article documents how I created and run such a 24/7 graphical desktop session and how I made it easily accessible from any location, without being restricted by firewalls or operating systems not under my control. For instance, my company’s firewall/proxy only allows access to HTTP(S) Internet locations; for me a browser-based access to my remote desktop is a must-have.

How to run & access a graphical Linux desktop 24/7 ?

Here’s how: we will use Apache, VNC and noVNC .

VNC or Virtual Network Computing is a way to remotely access another computer using the RFB ( Remote Frame Buffer ) protocol. The original VNC implementation is open source. In due time, lots of cross-platform clients and servers have been developed for most if not all operating systems. Slackware ships with an optimized implementation which makes it possible to work in a remote desktop even over low-bandwidth connections.

There’s  one thing you should know about VNC. It is a full-blown display server. Many people configure a VNC server to share their primary, physical desktop (your Linux Xserver based desktop or a MS Windows desktop) with remote VNC clients. VNC is also how IT Help Desks sometimes offer remote assistance by taking control over your mouse, keyboard and screen. But I want to run a VNC server ‘ headless ‘. This means, that my VNC server will not connect to a physical keyboard, mouse and monitor. Instead, it will offer virtual access to these peripherals. Quite similar to X.Org, which also provides what is essentially a network protocol for transmitting key-presses, mouse movements and graphics updates. VNC builds on top of X.Org and thus inherits these network protocol qualities.

Start your engines

Get a computer (or two).

First, you will have to have a spare desktop computer which does not consume too much power and which you can keep running all day without bothering the other members of your family (the cooling fans of a desktop computer in your bedroom will keep people awake).

Next, install Slackware Linux on it (any Linux distro will do; but I am biased of course). You can omit all of the KDE packages if you want. We will be running XFCE. Also install ‘tigervnc’ and ‘fltk’ packages from Slackware’s ‘extra’ directory. The tigervnc  package installs both a VNC client and a VNC server.

Note that  the version of  TigerVNC server which ships in Slackware 15.0 and onwards behaves differently than described in this article (which focuses more on the NoVNC part). I recommend reading my follow-up article “ Challenges with TigerVNC in Slackware 15.0 ” before continuing with the remainder of this page, and follow the VNC server instructions as shown in that other article .

You can store this server somewhere in a cupboard or in the attic, or in the basement: you will not have a need to access the machine locally. It does not even have to have a keyboard/mouse/monitor attached after you have finished implementing all the instructions in this article.

You may of course want to use a second computer – this one would then act as the client computer from which you will access the server.

In my LAN, the server will be configured with the hostname “darkstar.example.net”. This hostname will be used a lot in the examples and instructions below. You can of course pick and choose any hostname you like when creating your own server. I also use the Internet domain “lalalalala.org” in the example at the end where I show how to connect to your XFCE desktop from anywhere on the Internet. I do not own that domain, it’s used for demonstrative purposes only, so be gentle with it.

Run the XFCE desktop

Let’s start a VNC server and prepare to run a XFCE graphical desktop inside.

alien@darkstar:~$ vncserver -noxstartup You will require a password to access your desktops. Password: Verify: Would you like to enter a view-only password (y/n)? n New 'darkstar.example.net:1 (alien)' desktop is darkstar.example.net:1 Creating default config /home/alien/.vnc/config Log file is /home/alien/.vnc/darkstar.example.net:1.log

What we did here was to allow the VNC server to create the necessary directories and files but I prevented its default behavior to start a “Twm” graphical desktop. I do not want that pre-historic desktop, I want to run XFCE.

You can check that there’s a VNC server running now on “darkstar.example.net:1”, but still without a graphical desktop environment inside. Start a VNC client and connect it to the VNC server address (highlighted in red above):

alien@darkstar:~$ vncviewer darkstar.example.net:1 TigerVNC Viewer 64-bit v1.10.1 Built on: 2019-12-20 22:09 Copyright (C) 1999-2019 TigerVNC Team and many others (see README.rst) See https://www.tigervnc.org for information on TigerVNC. ...

The connection of the VNC client to the server was successful, but all you will see is a black screen – nothing is running inside as expected. You can exit the VNC viewer application and then kill the VNC server like this:

alien@darkstar:~$ vncserver -kill :1

The value I passed to the parameter “-kill” is “:1”. This “:1” is a pointer to your active VNC session. It’s that same “:1” which you saw in the red highlighted “ darkstar.example.net:1 ” above. It also corresponds to a socket file in ” /tmp/.X11-unix/”. For my VNC server instance with designation “:1” the corresponding socket file is “X1”. The “kill” command above will communicate with the VNC server through that socket file.

Some more background on VNC networking follows, because it will help you understand how to configure noVNC and Apache later on. The “:1” number does not only correspond to a socket; it translates directly to a TCP port: just add 5900 to the value behind the colon and you get the TCP port number where your VNC server is listening for client connections. In our case, “5900 + 1” means TCP port 5901. We will use this port number later on .

If you had configured VNC server to share your physical X.Org based desktop (using the ‘x11vnc’ extension), then a VNC server would be running on “:0” meaning TCP port 5900. And if multiple users want to run a VNC server on your computer, that is entirely possible! Every new VNC server session will get a new TCP port assigned (by default the first un-assigned TCP port above 5900). It’s also good to know that the VNC server binds to all network interfaces, including the loop-back address. So the commands “vncviewer darkstar.example.net:1” and “vncviewer localhost:1” give identical result when you start a VNC client on the machine which is also running the VNC server.

Enough with the theory, we need that XFCE session to run! When a VNC server starts, it looks for a script file called “~/.vnc/xstartup” and executes that. This script should start your graphical desktop.

So let’s create a ‘xstartup’ script for VNC, based on Slackware’s default XFCE init script:

alien@darkstar:~$ cp /etc/X11/xinit/xinitrc.xfce ~/.vnc/xstartup alien@darkstar:~$ vi ~/.vnc/xstartup

Edit that ‘xstartup’ script and add the following lines. They should be the first lines to be executed, so add them directly before the section “ Merge in defaults and keymaps “:

vncconfig -iconic & unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS

Add the following lines immediately before the section “ Start xfce Desktop Environment ” to ensure that your desktop is locked from the start and no-one can hi-jack your unprotected VNC session before you have a chance to connect to it:

# Ensure that we start with a locked session: xscreensaver -no-splash & xscreensaver-command -lock &

In order for these commands to actually work, you may have to run “xscreensaver-demo” once, the first time you login to your desktop in VNC, and configure the screensaver properly.

Into the future

This ends the preparations. From now on, you will start your VNC server (hopefully once per reboot) with the following simple command without any parameters:

alien@darkstar:~$ vncserver

That’s it. You have a XFCE desktop running 24/7 or until you kill the VNC server. You can connect to that VNC server with a VNC client (on Slackware that’s the vncviewer program) just like I showed before, and configure your XFCE desktop to your heart’s content. You can close your VNC client at any time and reconnect to the VNC server at a later time – and in the meantime your XFCE desktop will happily keep on running undisturbed. You can  connect to your VNC server from any computer as long as that computer has a VNC client installed and there’s a network connection between server and client.

How to make that graphical desktop available remotely ?

So now we have a VNC server running with a XFCE desktop environment inside it. You can connect to it from within the LAN using your distro’s VNC viewer application. And now we will take it to the next level: make this Linux XFCE desktop available remotely using a browser based VNC client.

We will require NoVNC software and a correctly configured Apache httpd server. Apache is part of Slackware, all we need to do is give it the proper config, but NoVNC is something we need to download and configure first.

The noVNC software is a JavaScript based VNC client application which uses HTML5 WebSockets and Canvas elements. It requires a fairly modern browser like Chromium, Firefox, and also mobile browsers (Android and i/OS based) will work just fine. With your browser, you connect to the noVNC client URL. Apache’s reverse proxy connects the noVNC client to a WebSocket and that WebSocket in turn connects to your VNC server port.

Some VNC servers like x11vnc and libvncserver contain the WebSockets support that noVNC needs, but our TigerVNC based server does not have WebSocket support. Therefore we will have to add a WebSockets-to-TCP proxy to our noVNC installation. Luckily, the noVNC site offers such an add-on.

Get the most recent noVNC ‘tar.gz’ archive (at the moment that is version 1.4.0) from here: https://github.com/novnc/noVNC/releases . As root, extract the archive somewhere to your server’s hard disk, I suggest /usr/local/ :

# tar -C /usr/local -xvf noVNC-1.4.0.tar.gz # ln -s noVNC-1.4.0 /usr/local/novnc

The symlink “/usr/local/novnc” allows you to create an Apache configuration which does not contain a version number, so that you can upgrade noVNC in future without having to reconfigure your Apache. See below for that Apache configuration. We also need to download the WebSockets proxy implementation for noVNC:

# cd /usr/local/novnc/utils/ # git clone https://github.com/novnc/websockify websockify

You will have to start the WebSockets software for noVNC as a non-root local account. That account can be your own user or a local account which you specifically use for noVNC. My suggestion is to start noVNC as your own user. That way, multiple users of your server would be able to start their own VNC session and noVNC acccess port. I start the noVNC script in a ‘ screen ‘ session (the ‘screen’ application is a console analog of VNC) so that noVNC keeps running after I logoff. Whether or not you use ‘ screen ‘, or ‘ tmux ‘, the actual commands to start noVNC are as follows (I added the output of these commands as well):

$ cd /usr/local/novnc/ $  ./utils/novnc_proxy --vnc localhost: 5901 Warning: could not find self.pem Using local websockify at /usr/local/novnc/utils/websockify/run Starting webserver and WebSockets proxy on port 6080 websockify/websocket.py:30: UserWarning: no 'numpy' module, HyBi protocol will be slower  warnings.warn("no 'numpy' module, HyBi protocol will be slower") WebSocket server settings:  - Listen on : 6080 - Web server. Web root: /usr/local/novnc  - No SSL/TLS support (no cert file)  - proxying from :6080 to localhost:5901 Navigate to this URL:    http://baxter.dyn.barrier.lan:6080/vnc.html?host=baxter.dyn.barrier.lan&port=6080 Press Ctrl-C to exit

I highlighted some of the output in red. It shows that I instruct noVNC (via the commandline argument “–vnc”) to connect to your VNC server which is running on localhost’s TCP port 5901 (remember that port number from earlier in the article when we started vncserver ?) and the noVNC WebSockets proxy starts listening on port 6080 for client connection requests. We will use that port 6080 later on, in the Apache configuration.

From this moment on, you can already access your VNC session in a browser, using the URL provided in the command output. But this only works inside your LAN, and the connection is un-encrypted (using HTTP instead of HTTPS) and not secured (no way to control or limit access to the URL). The next step is to configure Apache and provide the missing pieces.

Making your Apache work securely using HTTPS protocol (port 443) means you will have to get a SSL certificate for your server and configure ‘httpd’ to use that certificate. I wrote an article on this blog recently which explains how to obtain and configure a free SSL certificate for your Apache webserver. Go check that out first!

Once you have a local webserver running securely over HTTPS, let’s add a block to create a reverse proxy in Apache. If you are already running Apache and have VirtualHosts configured, then you should add the below block to any of your VirtualHost definitions. Otherwise, just add it to /etc/httpd/httpd.conf .

Alias / aliensdesktop /usr/local/novnc # Route all HTTP traffic at / aliensdesktop to port 6080 ProxyRequests Off ProxyVia on ProxyAddHeaders On ProxyPreserveHost On <Proxy *> Require all granted </Proxy> # This will not work when you use encrypted web connections (https): #<Location /websockify> # Require all granted # ProxyPass ws://localhost: 6080 /websockify # ProxyPassReverse ws://localhost: 6080 /websockify #</Location> # But this will: # Enable the rewrite engine # Requires modules: proxy rewrite proxy_http proxy_wstunnel # In the rules/conditions, we use the following flags: # [NC] == case-insensitve, [P] == proxy, [L] == stop rewriting RewriteEngine On # When websocket wants to initiate a WebSocket connection, it sends an # "upgrade: websocket" request that should be transferred to ws:// RewriteCond %{HTTP:Connection} Upgrade [NC] RewriteCond %{HTTP:Upgrade} =websocket [NC] RewriteRule /(.*) ws://127.0.0.1: 6080 /$1 [P,L] <Location / aliensdesktop /> Require all granted # Delivery of the web files ProxyPass http://localhost: 6080 / ProxyPassReverse http://localhost: 6080 / </Location>

Again, I highlighted the bits in red which you can change to fit your local needs.

The “Alias” statement in the first line is needed to make our noVNC directory visible to web clients, since it is not inside the Apache DocumentRoot (which is “/srv/httpd/htdocs/” by default). I do not like having actual content inside the DocumentRoot directory tree (you never know when you accidentally create a hole and allow the bad guys access to your data) so using an Alias is a nice alternative approach.

You will probably already have noticed that Apache’s reverse proxy will connect to “localhost”. This means you can run a local firewall on the server which only exposes ports 80 and 443 for http(s) access. There is no need for direct remote access to port 6080 (novnc’s websocket) or 5901 (your vncserver).

Check your Apache configuration for syntax errors and restart the httpd if all is well:

# apachectl configtest # /etc/rc.d/rc.httpd restart

Now if you connect a browser to https://darkstar.example.net/aliensdesktop/vnc.html and enter the following data into the connection box:

  • Host: darkstar.example.net
  • Password: the password string you defined for the VNC server
  • Token: leave empty

Then press “Connect”. You will get forwarded to your XFCE session running inside the VNC server. Probably the XFCE screen lock will be greeting you and if you enter your local account credentials, the desktop will unlock.

You can expand this Apache configuration with additional protection mechanisms. That is the power of hiding a simple application behind an Apache reverse proxy : the simple application does what it does best, and Apache takes care of all the rest, including data encryption and access control. You could think of limiting access to the noVNC URL to certain IP addresses or domain names. or you can add a login dialog in front of the noVNC web page. Be creative.

Configure your ISP’s router

My assumption is that your LAN server is behind a DSL, fiber or other connection provided by a local Internet Service Provider (ISP). The ISP will have installed a modem/router in your home which connects your home’s internal network to the Internet.

So the final step is to ensure that the HTPS port (443) of your LAN server is accessible from the internet. For this, you will have to enable ‘port-forwarding’ on your Internet modem/router. The exact configuration will depend on your brand of router, but essentially you will have to forward port 443 on the router to port 443 on your LAN server’s IP address.

If you have been reading this far, I expect that you are serious about implementing noVNC. You should have control over an Internet domain and the Internet-facing interface of your ISP’s modem/router should be associated with a hostname in your domain. Let’s say, you own the domain “lalalalala.org” and the hostname “alien.lalalalala.org” points to the public IP address of your ISP’s modem. Then anyone outside of your home (and you too inside your home if the router is modern enough) can connect to: https://alien.lalalalala.org/aliensdesktop/vnc.html and enter the following data into the connection box in order to connect to your VNC session:

  • Host: alien.lalalalala.org

That’s it! I hope it was all clear. I love to hear your feedback. Also, if certain parts need clarification or are just not working for you, let me know in the comments section below.

Cheers, happy holidays, Eric

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30 Comments

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December 24, 2019 at 00:00

Thanks Eric!!!.

Material to read for this holidays…. Merry Xmas. Thanks for sharing this!.

Happy Holidays, Francisco.

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December 24, 2019 at 05:50

Thanks Eric!

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December 24, 2019 at 09:07

This is cool. Gives me yet another reason to get my own domain. Merry Christmas.

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March 12, 2020 at 04:31

Hi Eric, Thanks for this article. I recently changed jobs, and unlike at my previous office, I don’t have admin privileges on my office pc, and the firewall is a lot more restrictive. Therefore I am no longer able to use an openvpn client to reach my home network via the openvpn server running on my router.

Just in time, I read your article about noVNC. First I had to learn the basics of apache and openssl, and following your “Using Let’s Encrypt to Secure your Slackware webserver with HTTPS” https://alien.slackbook.org/blog/using-letsencrypt-to-secure-your-slackware-webserver-with-https/ set up my apache server first, and eventually I was able to set up noVNC to access my desktop at home (I used the physical desktop on display :0 instead of a virtual desktop).

I set up a password in apache, so there are three layers of protection before I can get into my desktop (passwords for apache, vncserver, and the lock screen on the desktop). My router is a mini pc with Slackware 14.2 on it, and I used your invaluable firewall creator tool, http://www.slackware.com/~alien/efg/ to set up the firewall on it. This leads to my question. It was unclear to me the reason you recommended to set up a local firewall on the desktop, and just allow ports 80 and 443 to it from the LAN. Why is this extra security necessary? My LAN should be fairly secure, being behind the firewall on the router, shouldn’t it?

Another question I have is perhaps more related to your latest aricle, “Setting up an Outline server to bypass state firewalls” https://alien.slackbook.org/blog/setting-up-an-outline-server-to-bypass-state-firewalls/ . Long time ago I set up a similar solution, using stunnel. I followed this guide, “Make a VPN Server with a Raspberry Pi, OpenVPN and Stunnel” https://www.youtube.com/redirect?event=video_description&v=nnQDiGBFIXk&q=http%3A%2F%2Fwww.farrellf.com%2Fprojects%2Fsoftware%2F2016-05-04_Running_a_VPN_Server_with_OpenVPN_and_Stunnel%2F&redir_token=eD1F2TC34DJA7qu-Aowv1jP-scZ8MTU4NDA2OTU3NUAxNTgzOTgzMTc1 , and modified it for my slackware router. With it, I could browse the internet unhindered on my mobile phone and on my laptop from abroad. Stunnel uses port 443, so I had to turn it off because now apache/noVNC uses that port. I think stunnel could be set up to use another port, but doing so may be problematic. Do you see an obvious solution that would allow stunnel and noVNC to work simultaneously?

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March 12, 2020 at 20:09

Some answers:

> the reason you recommended to set up a local firewall on the desktop, > and just allow ports 80 and 443 to it from the LAN. Why is this extra security necessary? > My LAN should be fairly secure, being behind the firewall on the router, shouldn’t it? I was talking about the server there, not a desktop. You should not open up more ports on a server than necessary, and for the purpose of an NoVNC server you do not need to expose more than ports 80 and 443. Your own setup can of course be as insecure as you want.

> Do you see an obvious solution that would allow stunnel and noVNC to work simultaneously? I think you should have a look at sslh, a ssl/ssh multiplexer which also understands openvpn and http traffic ; see http://www.rutschle.net/tech/sslh/README.html On slackbuilds.org you can find a script to build a package for sslh: https://slackbuilds.org/repository/14.2/network/sslh/

March 14, 2020 at 16:06

This looks promising. I’ll give it a try. Thank you, Eric!

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March 29, 2020 at 18:44

I couldn’t clone websockify, git wants /usr/share/curl/ca-bundle.crt. So I got around that with mkdir /usr/share/curl ln -sv /usr/share/ncat/ca-bundle.crt /usr/share/curl/ca-bundle.crt to make git clone websockify work. The only packages with ca-bundle.crt are kdelibs and kdelibs4support from ktown which are identical, and the newer, larger one from nmap.

March 29, 2020 at 21:12

Henry, I guess you are not fully up-to-date with your Slackware-current. I have no problems running the ‘git clone’ commandline from the article and I have curl-7.69.1-x86_64-3 installed.

March 30, 2020 at 19:14

To prevent git form looking for ca-bundle.crt, issue this command: git config –global http.sslverify “false”

March 30, 2020 at 19:16

Correction: To prevent git FROM looking for ca-bundle.crt, issue this command: git config –global http.sslverify “false”

Please delete my reply dated March 30, 2020 at 19:06 #comment-37225

March 30, 2020 at 19:06

While troubleshooting a wpa_supplicant authenticate issue (router had cached a different MAC address, rtl8188ee kept changing the address during power-on), I rsync’d slackware64-current from mirrors.slackware.com and kde/deps from slackbook ktown.”find . -type f -name \*.txz | xargs upgradepkg –reinstall –install-new” to make sure fully up-to-date. /var/log/packages/curl-7.69.1-x86_64-3 does not contain /usr/share/curl, or ca-bundle.crt. “grep ca-bundle.crt /var/log/packages/*” does not contain /usr/share/curl. Git clone works fine on other github sites. The problem appears only with websockify, https://github.com/novnc/websockify.git Cloning into ‘websockify’… fatal: unable to access ‘https://github.com/novnc/websockify.git/’: error setting certificate verify locations: CAfile: /usr/share/curl/ca-bundle.crt CApath: none I’ve never encountered that error before

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November 14, 2020 at 20:04

this looks so good i will be trying to do this on ubuntu

November 15, 2020 at 01:57

i get this im on ubuntu

Warning: could not find self.pem Using local websockify at /usr/local/noVNC-1.2.0/utils/websockify/run Starting webserver and WebSockets proxy on port 6080 /usr/local/noVNC-1.2.0/utils/websockify/run: 4: exec: python: not found Failed to start WebSockets proxy

January 22, 2021 at 18:45

I tested tigervnc using KDE. Opened vncviewer and ran firefox on the remote vncserver. Everything works.

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June 1, 2021 at 16:00

This guide is excellent. Your explanations are exactly what I needed, and I’m looking forward to getting this going for me. Thank you!

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February 5, 2022 at 05:11

Does this still work in 2022? Have there been any changes since the original posting? I’d like to view a proxmox VM of Slackware 15 xfce using novnc. Won’t be able to start attempting this for a few days, so I figured I’d ask ahead in case anything has changed over the years. Thank you!

February 5, 2022 at 11:05

Probably you should not follow the instructions to the letter, it is always good to read the official documentation ( https://github.com/novnc/noVNC/blob/master/README.md ) as well. For instance, ‘launch.sh’ was renamed to ‘novnc_proxy’ and this automatically will download (clone) websockify for you if you do not have it on your system yet. Other than that, I still use NoVNC on a daily basis so yes, it works.

February 5, 2022 at 16:17

Thank you. And thank you for the great work you do too.

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July 18, 2022 at 07:28

Hello, I ran the novnc_proxy file and the command seemed to work perfectly, it even created a link for me to copy and paste in the browser, but whenever I do it, I get the error of DNS Address not found. I hope you can help me with diagnosing the error, thanking you in advance.

July 18, 2022 at 20:59

The link you talk about that you copied to your browser, will have looked like this: http:// darkstar.home.arpa :6080/vnc.html?host= darkstar.home.arpa &port=6080

The string “darkstar.home.arpa” will in your case be the actual hostname that you gave your computer. If your browser gives you “DNS Address not found” it means that you conjured a hostname for your computer that is not usable on your network. Pick a saner hostname and/or fix the DNS resolver on your local network. It’s something I cannot help you with.

December 17, 2022 at 18:18

For convenience, you may add this line to your non-root user’s crontab (crontab -e):

@reboot /usr/bin/screen -dmS noVNC /usr/local/novnc/utils/novnc_proxy –vnc localhost:5901

to start noVNC at system startup automatically in a detached screen session.

December 17, 2022 at 19:30

That is a nice generalization which also does not require root to modify any file. Because on my system I have this in /etc/rc.d/rc.local : /bin/su - alien -c "/usr/bin/screen -dmS NOVNC bash -c 'cd /usr/local/novnc ; ./utils/launch.sh --vnc localhost:5901'" Your solution is cleaner, although I will have to check where the difference is between my use of ‘launch.sh’ and your ‘novnc_proxy’.

December 18, 2022 at 06:59

Version 1.1.0 of noVNC, that was used in your article, had a ‘launch.sh’ file in the utils directory. In later versions (I use 1.3.0), it seems they renamed that to novnc_proxy.

December 18, 2022 at 12:35

That explains it 🙂

January 14, 2024 at 22:16

4 years later (see first post on this article) I felt “brave” to try this.

I just wanted to access my Slackware Desktop from another station in my LAN.

I spent some time and finally I had success after reading carefully each line and understanding each command.

Respectfully, some suggestions:

1. I started here (for the title) but this article should be updated, regarding vnc server setup, with the content of: “Challenges with TigerVNC in Slackware 15.0 “. At least a reference here at the beginning, because I spend time figuring out why starting the server this way did not work.

This important article could be split on the “easy case”: Accessing Slackware from a LAN and the a second part accessing it from the internet Joining both articles. I installed Slackware on a Linode server so I will test the hard part later…

2. So, I started setting up the server according to “Challenges.. article” and completing the xfce setup with this article.

3. xfce started nicely on tigervnc client on my local LAN. I just changed geometry to 1980×1024 on ‘/etc/tigervnc/vncserver-config-defaults on server side, as my VNC server is 4k resolution (laptop).

4. I expected to access mi PLASMA Desktop. So I applied the same procedure explained for xstartup script for XFCE but using and copying /etc/X11/xinit/xinitrc.kde and applying the changes (just by now the first set of changes) on that file.

5. Starting vncviewer I am getting active windows in plasma but no panel, no launcher for the plasma desktop. Screen resolution is not scaled to my VNC client. Xfce works perfect.

Is there any additional config to access Plasma desktop?

The normal use case is important for me as I have Slackware on a Proxmox server or my own laptop on My LAN and I want to access them locally.

Thanks for your advice and help in advance.

January 15, 2024 at 18:28

To start the noVNC script in a ‘screen‘ session, please update the article with this command as the launch command was changed after cloning websockify repository.

“` $ cd /usr/local/novnc/ $ ./utils/novnc_proxy –vnc localhost:5909 “` 5909 port as my user was defined on vnc to use that port. Important that note as I missed that point getting connection refused.

Thanks Eric for this very useful article.

January 15, 2024 at 20:28

Hi Francisco, look at my comment from December 17, 2022 at 18:18 that I paste below:

“For convenience, you may add this line to your non-root user’s crontab (crontab -e): @reboot /usr/bin/screen -dmS noVNC /usr/local/novnc/utils/novnc_proxy –vnc localhost:5901 to start noVNC at system startup automatically in a detached screen session.”

January 15, 2024 at 23:14

Thanks Karl. Very Kind.

January 15, 2024 at 18:29

“` $ cd /usr/local/novnc/ $ ./utils/novnc_proxy –vnc localhost:5909 “`

5909 port as my user was defined on vnc to use that port. Important that note as I missed that point getting connection refused.

' src=

February 3, 2024 at 22:19

Very good publication. Created solution for me on a separate subdomain. Unsuccessfully tried to solve directory contents listing with Options -Indexes and DirectoryIndex vnc.html

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novnc safari

This page was last updated the 13th of May 2017

Troubleshooting - novnc/noVNC GitHub Wiki

Common problems, encrypted connection issues.

If you are using a self-signed certificate and are having trouble connecting and or seeing errors from websockify that look like this then see the websockify encryption page for workarounds:

HTTPS is required for full functionality

This is seen when using noVNC without an encrypted connection. It is not enough to just change the URL to https:// , since this will trigger this error message from websockify/novnc_proxy:

Follow the steps in the websockify encryption page to enable HTTPS.

Getting Diagnostic Output

Logs for noVNC are written to the browser's Javascript console.

First, load the noVNC page with logging=debug added to the query string, for example vnc.html?logging=debug . Alternatively, change logging in the settings.

Then, open the Javascript console in your browser:

  • With Chrome it can be opened using Ctrl+Shift+J and then switching to the "Console" tab.
  • With Firefox, it can be opened using F12.
  • In iOS (iPhone and iPad) you can activate the Debug Console via the main Settings app under Safari->Developer->Debug Console.

Now reproduce the problem. The console log output will give more information about what is going wrong and where in the code the problem is located.

Reporting Issues

If you file an issue or bug, it is very helpful to have the last page of console output leading up to the problem in the issue report.

For more info on what to include in the bug report, see the questions in the issue report form

novnc safari

How to access VNC remote desktop in web browser

Last updated on November 23, 2020 by Dan Nanni

There are many VNC clients available on Linux, differing in their capabilities and operating system support. If you are looking for a cross-platform VNC client, you have two options: use either Java-based VNC viewers (e.g., RealVNC or TightVNC), or web-based VNC clients. VNC web clients are typically faster than Java-based VNC viewers, and could easily be integrated into other third-party applications.

In this tutorial, I will describe how to access VNC remote desktop in web browser by using VNC web client called noVNC .

noVNC is an HTML5-based remote desktop web client which can communicate with a remote VNC server via Web Sockets. Using noVNC, you can control a remote computer in a web browser over VNC. noVNC has been integrated into a number of other projects including OpenStack, OpenNebula, CloudSigma, Amahi and PocketVNC.

noVNC Feature List

The following list shows full features offered by noVNC.

Web Browser Requirements

To run noVNC, your web browser must support HTML5, more specifically HTML5 Canvas and WebSockets. The following browsers meet the requirements: Chrome 49+, Firefox 44+, Safari 11+, iOS Safari 11+, Opera 36+ and Edge 79+ . If your browser does not have native WebSockets support, you can use web-socket-js , which is included in noVNC package.

Install noVNC on Linux

To install noVNC remote desktop web client, clone the noVNC GitHub project by running:

Launch Websockify WebSockets Proxy

The first step is to launch Websockify (which comes with noVNC package) on local host. noVNC leverages Websockify to communicate with a remote VNC server. Websockify is a WebSocket to TCP proxy/bridge, which allows a web browser to connect to any application, server or service via local TCP proxy.

I assume that you already set up a running VNC server somewhere. For the purpose of this tutorial, I set up a VNC server at 192.168.1.10:5900 by using x11vnc .

To launch Websockify, use a startup script called launch.sh . This script starts a mini-webserver as well as Websockify. The --vnc option is used to specify the location of a remotely running VNC server.

At this point, you can open up a web browser, and navigate to the URL shown in the output of Websockify (e.g., http://127.0.0.1:6080/vnc.html?host=127.0.0.1&port=6080 ).

If the remote VNC server requires password authentication, you will see the following screen in your web browser.

novnc safari

After you have successfully connected to a remote VNC server, you will be able to access the remote desktop as follows.

novnc safari

You can adjust the settings of a VNC session by clicking on the settings icon located in the top right corner.

novnc safari

Create Encrypted VNC Session with noVNC

By default a VNC session created by noVNC is not encrypted. If you want, you can create encrypted VNC connections by using the WebSocket wss:// URI scheme. For that, you need to generate a self-signed encryption certificate (e.g., by using OpenSSL), and have Websockify load the certificate.

To create a self-signed certificate with OpenSSL:

After that, place the certificate in noVNC/utils directory. Then when you run launch.sh , Websockify will automatically load the certificate.

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novnc safari

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noVNC by kanaka

Online novnc client.

A version of the noVNC client is available online here .

A convenient shortcut address is noVNC.com

Videos and Screenshots

It's not a real project until there are videos and screenshots .

Online Demo

This online demo plays back a recorded VNC session.

Projects/Companies using noVNC

There are many companies/projects that have integrated noVNC including Ganeti Web Manager , OpenStack , OpenNebula , and LibVNCServer . See this wiki page for a more complete list with additional info and links.

Dependencies

A browser with at least minimal canvas support (i.e. not IE 6, 7 or 8).

Run a vnc server, run the WebSockets proxy, load the page, and connect! See the project README for more details.

Authors/Contributors

  • noVNC : Joel Martin ([email protected])
  • New UI and Icons : Chris Gordon
  • Original Logo : Michael Sersen
  • web-socket-js (included) : Hiroshi Ichikawa (github.com/gimite/web-socket-js)
  • as3crypto (included) : Henri Torgemane (code.google.com/p/as3crypto)
  • tight encoding : Michael Tinglof (Mercuri.ca)

You can download this project in either zip or tar formats.

You can also clone the project with Git by running: $ git clone git://github.com/kanaka/noVNC

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Safari Only - PVE 8.2.4 - NoVNC Console Error

  • Thread starter Ramalama
  • Start date Thursday at 19:36
  • Proxmox Virtual Environment
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  • Thursday at 19:36

novnc safari

Reoccur0274

  • Friday at 12:41

I found this issue through Google. Today, after updating Bitwarden in the App Store, I encountered the same problem. Checking the error messages in the console output revealed that it was caused by Bitwarden's auto-fill module, which leads to browser tabs freezing. It appears to be a bug in the latest version of Bitwarden. Code: safari-web-extension://xxx/content/bootstrap-autofill-overlay.js TypeError: globalThis.requestIdleCallback is not a function. (In 'globalThis.requestIdleCallback(this.processMutations, { timeout: 500 })', 'globalThis.requestIdleCallback' is undefined)  

  • Friday at 16:32
Reoccur0274 said: I found this issue through Google. Today, after updating Bitwarden in the App Store, I encountered the same problem. Checking the error messages in the console output revealed that it was caused by Bitwarden's auto-fill module, which leads to browser tabs freezing. It appears to be a bug in the latest version of Bitwarden. Code: safari-web-extension://xxx/content/bootstrap-autofill-overlay.js TypeError: globalThis.requestIdleCallback is not a function. (In 'globalThis.requestIdleCallback(this.processMutations, { timeout: 500 })', 'globalThis.requestIdleCallback' is undefined) Click to expand...
  • Yesterday at 15:10

I have the same issue on Safari. The latest Safari Technology Preview works fine though.  

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Safari Pearl

Photo of Safari Pearl - Moscow, ID, US. Comic books and mangas and more.

Location & Hours

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660 W Pullman Rd

Moscow, ID 83843

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Amenities and More

About the business.

We are your source on the Palouse for comics, non-electronic games, costumes, and theatrical make-up. We carry a full line of new comics, graphic novels, back issues, and collecting supplies. We also have a great selection of board games, card games, and Warhammer. Feel free to try a game or join an event in our store game room. We also stock costumes and have a complete selection of Ben Nye theatrical make-up all year. …

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Photo of Katherine S.

Great service, helpful employees, and a cute dog. They have everything a nerd would ever need.

Photo of Cheyenne G.

I was visiting from out of town and we stopped by here three time while we were here for a week. First to see what they had. This is a considerably larger store than the one we have in our town. They had basically everything a nerd could want. DND books and minis, magic cards, Pokémon, half of the store was cosplay stuff, mangas, war hammer, and other rpg and tabletop games. They had a reasonably sized play area that we could see. We intended on coming to the Friday night Magic events that they host but sadly we're unable to make it. The store was clean and the people were friendly and helpful. One of the cool features that they have is a tablet in store that you can search for cards through. You can also get the app and leisurely search at home and they will have the cards ready for pick up.

novnc safari

Eh. Some costumes and lingerie. This store can't seem to decide if it's selling comics and memorabilia or lingerie and adult toys. Fairly large location though and the stock rotates often so this may be the right store for you. You will not have an issue parking because the lot has about twenty spaces. Downtown Moscow also has street parking so hooray! The staff is generally friendly and knowledgeable. As in any store that all depends on the day and who helps you. Prices are fair on most items. As far as the adult items they do mark things up but being in Moscow you don't really have a lot of items for some of their merchandise. Amazon is bigger now so hopefully management will tweak prices accordingly to keep it competitive. If you're grabbing a few extra accessories for a costume or Halloween party this is your local spot. Read Bri T. and Kevin C's review for more comic and costume section details!

Photo of Raven P.

I do not understand the negative reviews of this store. The employees were quick to help anytime I had any questions and even told us about the free module Saturdays. The unique thing about this store is that it is not a toxic atmosphere like you may experience at the downtown Pullman gaming store. It has gaming of all types such as cards, board games, and table top rpg's. There is also costuming which I think fits quite well with the rest of the store as many gamers enjoy cosplay and the like. It was clean, the employees were respectful and were quick to remove negative customers who were rude, inappropriate and disruptive. I cannot praise this store enough. Most certainly the best gaming store around.

Photo of Emily B.

Wide selection of games from children to adult. Lots of Warhammer and D&D merchandise. Not a large selection of comics in store but I believe they will order whatever you want. Costumes/cosplay stuff rotates throughout the year, and the hidden adult-toy area has an okay selection. But I will definitely recommend this store for board games and Warhammer!!

Photo of Gary S.

I really like the selection of games here. We got The Battle of Hogwarts here and play it weekly. Have the expansion pack, too. Also enjoy the Fantastic Beasts Perilous Pursuits and Pandemic. The folks there have always been helpful and knowledgeable

Photo of Bri T.

I went here today because the costume portion of the store was recommended to me by a good friend. I was also told there is a sex-toy shop in the back room that I should check out. First off, as I was looking through the costumes, I was consistently followed by an employee as if I was going to steal something. They have just one dressing room, and the employee stands outside the dressing room the entire time, making you feel uncomfortable and rushed. Second, after showing an older female employee my ID to enter the sex shop, she ordered a younger male employee to be in there while I was. He followed me around the entire time I was in the sex shop, and it was very uncomfortable. I do not appreciate the lack of privacy that was given while looking at such a....personal election of items. If a female is going into the sex shop, they should have a female employee in there - and perhaps one that doesn't follow you around everywhere. I absolutely will not be back.

Photo of Matthew G.

I was really disappointed in this store. I came in looking for comic book recommendations and was pretty much ignored. When I finally was able to get some help, it seemed as if I was inconveniencing the store. The store layout is weird and the selection is very limited. I felt kinda awkward the whole time I was in the store. The stores prices are rather high and they don't do any sales or promotions either. So I would recommend going to someone else in town or just shopping online. I won't go back.

Photo of Kevin C.

For a comic shop, it has a really minuscule selection of comics. There are a couple shelves against the side of the wall, but the amount of current comics is almost non-existent. Then there's a couple tables with older selections of comics, which I appreciated. Please correct me if I am wrong, but if you want to get a subscription box, it's pretty pricey. I asked the cashier at the time and she told me that you pay for your box, then you also pay per series you want to subscribe to, then, of course, you pay for your comic as well. There are no other benefits other than that you are guaranteed a copy of whatever you're subscribed to. It was being justified that it's due to the fluctuation of college students coming in and out, so you also have to pay to cancel your box as well. Aside from the comics, there were also TCG -- mainly Magic, figurines, board games, and costumes. It seemed like this store tried too hard to do everything that it doesn't have much of anything. Despite the lack of items, my visit was still pretty pleasant as the cashier was friendly and helpful. If I'm ever out in this area again, it's hard to say if I'll go out of my way to revisit.

Photo of John S.

I got in the store knowing exactly what I wanted so when I was asked if I needed help I said no. It was not long before it was clear that I was being followed. (Creeper) peeking trough shelves and around cournors, it was weird , strange and totally creepy. After ten minutes of feeling very uncomfortable I left. An hour later I went back to talk to the owners. They made it clear it was all my fault for not realizing it was costumer service to be stalked. (They clearly did not care) After I ordered the stuff I wanted online I went to yelp and found out this offensive stalking like behavior happens a lot. (another situation) I was carded three times in one week by the same (carnie) dude to get in the back room. Theres no way he did not remember. He as well watched us like a hawk. Never going back, when every thing is available online cheaper.~~~~~~~~~Thanks for reading

7 other reviews that are not currently recommended

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Safari Pearl is your source on the Palouse for comics, games, costumes, and theatrical make-up. Our selection of comics and graphic novels offer captivating stories for every taste, age, and reading level. We also have a great selection of board games, card games, role-playing games, 40K, and Age of Sigmar. Games are a great entertainment value, they bring people together, and they build brain power. Feel free to try a game or join an event in our store game room. Safari Pearl is also your local, year-round source for costumes, cosplay, and stage make-up. We can supply everything you need for your theatrical production, we'll happily help you plan a theme party, and we love Halloween...

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Safari Pearl 660 W Pullman Rd Moscow, ID 83843 Monday - Saturday 11:00 am - 7:00 pm Sunday Noon - 5:00 pm 208-882-9499 - [email protected] Map it!

专注前端开发,关注用户体验

Springboot实现VNC的反向代理功能

这篇文章主要介绍了Springboot实现VNC的反向代理,搭建过程也很简单,通过注册bean拦截指定URL路径进行自定义操作,具体实例代码跟随小编一起看看需要的朋友可以参考下

​ 用户需要通过前端HTML页面的noVNC( noVNC是什么? )客户端连接底层VNC Server服务端,为了防止VNC Server的IP暴露,因此需要做一层代理。正常情况下使用Nginx、Apache等都可以搞定,但是由于项目架构的一些问题,暂时不能再加一台反向代理服务器,所以决定写一个单独的模块实现反向代理的功能。

​ 在网上和Github上找了一下,使用了 HTTP-Proxy-Servlet ,引入该依赖搭建一个Spring Boot项目。

通过注册bean拦截指定URL路径进行自定义操作

​ 刚开始其实是准备在已有的一个模块中加上这个代理功能,因为可以指定拦截的路径,比如只拦截请求路径为/proxy/*的,然后交给自定义的Servlet去代理,后来写好测试时,发现代理过去后代理目标主页一片空白,看了控制台的Network后,主页确实是返回200且加载正常,但是由主页发起的js、css和img等静态资源状态码都为404。

novnc safari

​ 当时以为是代码的问题,后来发现静态资源都是相对路径的有问题,如果前端的静态资源是引入第三方的,比如从CDN中引入Vue.js则不会出现问题,都可以正常的被代理。既然状态码是404,那肯定是找不到这个资源,看了一下发现如果在静态资源的路径前加上指定拦截的路径/proxy/ 就可以被正常代理。此时才明白,因为访问首页的路径中带 /proxy/ 是在地址栏主动输入的,所以请求到后台,后台Servlet拦截发现路径中带 /proxy/ ,把该请求交给自定义的代理Servlet去处理然后返回。而主页上的js、css等静态资源发起请求的路径是不会带 /proxy/ *的,因此不会走到代理Servlet,并且代理模块中也没有相应资源路径,所以就理所应当的返回了404。

​ 为此还专门在GitHub上问了一下作者,作者也是回复说这并不是这个代理模块该做的事,最好是前端处理,或者让前端使用绝对路径。附上地址( Discussions )

novnc safari

​ 最后就是决定单独拉出来写一个Spring Boot项目做这个代理功能模块,直接代理/*,这样所有请求到这个模块的都会被代理。

自定义Servlet实现动态代理目标地址

​ 这里主要列出关键部分,因为方案还没有完结。

​ 本以为这样就成功了,但是测试之后发现页面和静态资源都代理过去了,但是有一个websocket请求失败了。像noVNC这种网页版的黑窗口,早就该想到肯定是用websocket这种长链接的请求进行交互的。后来去搜了一下这个叫websockify的请求,就是最开始介绍noVNC博客中介绍的:

​ 浏览器不支持VNC,所以不能直接连接VNC,但是可以使用代理,使用noVNC通过WebSocket建立连接,而VNC Server不支持WebSocket,所以需要开启Websockify代理来做WebSocket和TCP Socket之间的转换,这个代理在noVNC的目录里,叫做websockify。

​ 此时项目是能够拦截到websockify这个请求的,但是由于servlet把这个请求当成普通的请求去代理到目标服务器,这样是无法成功的,所以要做的就是类似实现一个websocket的反向代理,搜了一下的话发现例子不是很多,大多都是在前端做的,前端作为客户端与服务端建立websocket连接,但目前的状况很明显是需要这个代理模块既做websocket服务端与web端建立连接,再作为websocket客户端与VNC 服务端建立连接,然后进行交互传递通信。

​ 后面也找到了这篇 通过noVNC和websockify连接到QEMU/KVM ,然后总结一下从用户发出请求到得到响应的流程:

PC Chrome(客户端) => noVNC Server(noVNC端) => websockify(websocket转TCP Socket) => VNC Server(VNC服务端) => websockify(TCP Socket转websocket) => noVNC Server(noVNC端)=> PC Chrome(客户端)

用户使用PC Chrome浏览器请求 noVNC端(因为无法直接访问VNC Server端,VNC Server是不支持Websocket连接),经由websockify将websocket转为TCP Socket请求到VNC服务端,返回TCP响应,经由websockify转换为websocket返回给客户端浏览器,这样来进行交互。整个过程 websockify 代理器是关键,noVNC 可以被放在浏览器端。

1.noVNC网页端与代理模块建立websocket通信

​ 都是很常用的websocket服务端的代码,唯一要注意的是前端请求'/websockify'地址发起websocket连接时,要注意用ip,尤其是本地,使用localhost会报错,要使用127.0.0.1。最后测试连接成功,返回状态码101,并且消息可以正常接收。noVNC网页端与代理模块建立websocket通信完成。

2.代理模块与VNC Server建立websocket通信

java后台作为websocket客户端很少,大多是用Netty去写的,但是不适合目前的情况,最后还是找到了一个感觉比较合适的

​ 发生错误后,发现关键地方,客户端必须支持 binary或base64协议,一番搜索后再Stack Overflow找到了线索,并且是Kanaka(noVNC和websockify的开发者)亲自回答的,大概意思就是你需要在构造函数中提供这些协议。

novnc safari

​ 然后我又在websockify.js的源码中找到了这个构造,确实需要传递一个protocols的数组参数,可是这是前端,并不知道Java如何完成这个操作。

novnc safari

​ 首先再次感谢开源项目和各位博主大佬的分享,依旧在寻找解决方案......

到此这篇关于Springboot实现VNC的反向代理功能的文章就介绍到这了,更多相关Springboot反向代理内容请搜索0133技术站以前的文章或继续浏览下面的相关文章希望大家以后多多支持0133技术站!

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novnc safari

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mouse not shown when connecting to OSX-Catalina with remote management enabled #1430

@jonsito

jonsito commented Jun 30, 2020 • edited

@samhed

samhed commented Jul 1, 2020

Sorry, something went wrong.

jonsito commented Jul 2, 2020 • edited

@CendioOssman

CendioOssman commented Jul 7, 2020

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@jonsito

COMMENTS

  1. noVNC: HTML VNC Client Library and Application

    Chrome 64, Firefox 79, Safari 13.4, Opera 51, Edge 79; Server Requirements. ... sudo snap set novnc services.n6082.listen=6082 services.n6082.vnc=localhost:5902 (Any services you define with 'snap set' will be automatically started) Note that the name of the service, 'n6082' in this example, can be anything as long as it doesn't start ...

  2. GitHub

    Use the novnc_proxy script to automatically download and start websockify, which includes a mini-webserver and the WebSockets proxy. The --vnc option is used to specify the location of a running VNC server: Point your browser to the cut-and-paste URL that is output by the novnc_proxy script. Hit the Connect button, enter a password if the VNC ...

  3. noVNC: HTML VNC Client Library and Application

    noVNC is both a HTML VNC client JavaScript library and an application built on top of that library. noVNC runs well in any modern browser including mobile browsers (iOS and Android). Many companies, projects and products have integrated noVNC including OpenStack , OpenNebula , LibVNCServer, and ThinLinc. See the Projects and Companies wiki page ...

  4. How to: Fix Proxmox VE (PVE) noVNC/console not working in iOS/iPhone

    Once logged in to Proxmox VE, if we want to connect to console via noVNC from one of the virtual machine, we will get following error, and seems there is no simple way to bypass it. Proxmox web gui - iOS, Safari - noVNC error, Failed to connect to server The Fix. 1 Use desktop/PC etc. (non-mobile devices) to login to Proxmox VE web gui

  5. noVNC

    noVNC - the open source VNC client - noVNC is both a VNC client JavaScript library as well as an application built on top of that library. noVNC runs well in any modern browser including mobile browsers (iOS and Android). Notable commits, announcements and news @ noVNC. HTML5 WebSockets and Canvas Try it! An online version of the noVNC client is available HERE.

  6. Remote access to your VNC server via modern browsers

    You can exit the VNC viewer application and then kill the VNC server like this: alien@darkstar:~$ vncserver -kill :1. The value I passed to the parameter "-kill" is ":1". This ":1" is a pointer to your active VNC session. It's that same ":1" which you saw in the red highlighted " darkstar.example.net:1 " above.

  7. novnc disconnects immediately on safari · Issue #143

    Firstly, I was wrong about novnc not connecting using safari and the python websockify; this appears to work fine. I just forgot to close an existing VNC connection from Chrome when testing (doh). The problem appears to be an interworking problem between novnc, safari, and apache-websocket. So, here's a table of what works and what doesn't:

  8. noVNC Videos and Screenshots

    Notice the mouse and keyboard buttons in the control bar for selecting the active mouse button and for toggling the on-screen keyboard. You can run noVNC in fullscreen mode if you want (third button from the bottom). Connected to the same remote system using Safari on an iPad mini 3 running iOS 10.

  9. Troubleshooting

    This is seen when using noVNC without an encrypted connection. It is not enough to just change the URL to https://, ... In iOS (iPhone and iPad) you can activate the Debug Console via the main Settings app under Safari->Developer->Debug Console. Now reproduce the problem. The console log output will give more information about what is going ...

  10. How to access VNC remote desktop in web browser

    To launch Websockify, use a startup script called launch.sh. This script starts a mini-webserver as well as Websockify. The --vnc option is used to specify the location of a remotely running VNC server. $ cd noVNC. $ ./utils/launch.sh --vnc 192.168.1.10:5900. Warning: could not find self.pem.

  11. noVNC

    Projects/Companies using noVNC. There are many companies/projects that have integrated noVNC including Ganeti Web Manager, OpenStack, OpenNebula, and LibVNCServer. See this wiki page for a more complete list with additional info and links. Dependencies. A browser with at least minimal canvas support (i.e. not IE 6, 7 or 8). Install

  12. noVNC not working with Safari 15.5 on MacOS 10.15.7 : r/Proxmox

    Probably a webkit issue with Safari Why are you using Safari anyway? Pretty much all sites prioritise compatibility with Chrome and Firefox these days

  13. Safari Only

    Hi, something changed either in PVE 8.2.4 or Safari got today an Update. ISSUE: NoVNC Console doesn't work! xTerm Console works without issues. -> Firefox: no Issues -> Edge: no Issues -> Chrome: Didnt tested, sorry -> Safari: Doesn't work since Today. I have like 8 PVE Servers and as Stupid...

  14. SAFARI PEARL

    Specialties: We are your source on the Palouse for comics, non-electronic games, costumes, and theatrical make-up. We carry a full line of new comics, graphic novels, back issues, and collecting supplies. We also have a great selection of board games, card games, and Warhammer. Feel free to try a game or join an event in our store game room. We also stock costumes and have a complete selection ...

  15. samsung galaxy andriod free download

    samsung galaxy andriod free download. View, compare, and download samsung galaxy andriod at SourceForge

  16. Non-US keyboard layouts · Issue #21 · novnc/noVNC · GitHub

    Unfortunately, after playing around with it I discovered a couple of issues that prevent it from being a solution for noVNC: ... (Chrome/Safari), Opera 11 and IE9. charCode contains the value in WebKit and Firefox. The which attribute contains the value on WebKit, Firefox and Opera 11. ...

  17. Safari Pearl moves into new location

    Moscow comic book and game shop Safari Pearl has moved from its longtime location and now operates on 660 W. Pullman Road.Kathy Sprague and Tabitha Simmons,…

  18. Safari Pearl

    Safari Pearl is your source on the Palouse for comics, games, costumes, and theatrical make-up. Our selection of comics and graphic novels offer captivating stories for every taste, age, and reading level. We also have a great selection of board games, card games, role-playing games, 40K, and Age of Sigmar.

  19. noVNC/README.md at master · novnc/noVNC · GitHub

    Use the novnc_proxy script to automatically download and start websockify, which includes a mini-webserver and the WebSockets proxy. The --vnc option is used to specify the location of a running VNC server: ./utils/novnc_proxy --vnc localhost:5901. If you don't need to expose the web server to public internet, you can bind to localhost:

  20. Problem with Safari · Issue #1 · novnc/noVNC · GitHub

    thekvn commented on May 13, 2010. On Safari (4.0.5) on Snow Leopard. The connection succeeds for a few seconds. Performing any kind of interaction within the VNC session causes the following output on the client console. This problem occurs in both encrypted (wss://) and non-encrypted (ws://) connections. ">> connect".

  21. Safari Pearl

    Safari Pearl, Moscow, ID. 2,536 likes · 39 talking about this. Safari Pearl has everything you need to bring out the super-hero, pirate, or monster inside you!

  22. Springboot实现VNC的反向代理功能

    用户需要通过前端HTML页面的noVNC(noVNC是什么? )客户端连接底层VNC Server服务端,为了防止VNC Server的IP暴露,因此需要做一层代理。 正常情况下使用Nginx、Apache等都可以搞定,但是由于项目架构的一些问题,暂时不能再加一台反向代理服务器,所以决定写一个 ...

  23. mouse not shown when connecting to OSX-Catalina with remote ...

    Mac-OSX Catalina with Safari; Using noVNC from github repository (commit id: 90ead24, 2 days ago) To Reproduce Steps to reproduce the behavior: Enable remote management in mac ( need remote mngmt, screen sharing is not an option because i need multiple non-shared session logins ) and then enable remote control in inner options; Connect via novnc