Difference between revisions of "Set up a VNC server"

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[[vnc]] allows you to connect to a remote computer's display over the [[network]]. It consists of a client and a server. The client is the viewer, the server provides the display. You can also allow browsers to view the server's desktop.
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[[vnc]] allows you to [[control a computer]]'s display over the [[network]]. It consists of a client and a server. The client is the viewer, the server provides the display.
  
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= server =
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To read on [[find out your distribution]].
  
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== for vncviewer ==
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= Ubuntu =
  
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=== Fedora 14 ===
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== Server ==
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* install vncserver
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To set up a VNC server with Ubuntu [[open a console]] and issue
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yum install tigervnc-server
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  sudo apt-get update
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* install software to start a KDE desktop
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  sudo apt-get install tightvncserver
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  yum install kdebase-workspace
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* install some software to experiment with
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To start it issue the [[command]]
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  yum install gedit xterm
 
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* install the fonts
 
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yum install zvbi-fonts
 
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* stop fedora's firewall
 
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/etc/init.d/iptables stop
 
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chkconfig iptables off
 
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* start vncserver once to get a configuration folder
 
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vncserver
 
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* kill vncserver
 
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[[killall]] -9 Xvnc
 
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* create a new startup configuration for vncserver
 
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cat >.vnc/xstartup << EOF
 
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#!/bin/sh
 
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vncconfig -iconic &
 
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startkde
 
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EOF
 
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* start vncserver again
 
 
  vncserver
 
  vncserver
  
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== for a web browser ==
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To stop it issue the command
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In this chapter we will set up a vnc server that acts as a web browser, so we have a VNC session in a browser. It will look like this:
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sudo killall Xtightvnc
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[[Image:Snapshot-vnc-in-a-browser.png|size:50%]]
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== Client ==
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Command
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vncviewer ''myserver'':1
  
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=== Fedora 14 ===
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= Hints =
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* install and start vncserver
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* as desktop environment consider XFCE. It is lightweight yet provides a clearly guided user experience. Your .vnc/xstartup could look like this:
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yum install tigervnc-server-applet
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  #!/bin/sh
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vncserver -httpport 80
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  xfce4-session
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* install xterm as vncserver will by default try to start xterm. Install nmap to verify vncserver is listening on a network port.
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To get this working you must install xfce4. You can also [[install gnome]] and set .vnc/xstartup to be
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yum install xterm nmap
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  #!/bin/sh
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* verify the server is listening on port 80
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  gnome-session
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  # nmap localhost
 
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Starting Nmap 5.21 ( http://nmap.org ) at 2010-11-28 09:57 UTC
 
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  Nmap scan report for localhost (127.0.0.1)
 
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Host is up (0.000015s latency).
 
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Not shown: 996 closed ports
 
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PORT    STATE SERVICE
 
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22/tcp  open  ssh
 
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'''80/tcp  open  http'''
 
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5901/tcp open  vnc-1
 
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6001/tcp open  X11:1
 
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* stop the firewall
 
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  /etc/init.d/iptables stop
 
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  chkconfig iptables off
 
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* point your browser to your server
 
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* you can log in, then you see the same content as when calling vncviewer
 
  
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=== Ubuntu 8.04 (hardy) ===
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= TroubleShooting =
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Read and follow http://packages.ubuntu.com/hardy/all/tightvnc-java/download, then
 
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sudo apt-get install tightvnc-java xfonts-base
 
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vncserver -httpport 80
 
  
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=== Ubuntu 9.10 ===
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== fonts do not work ==
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  sudo apt-get install tightvnc-java tightvncserver
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Fonts e.g. in nautilus do not work. For CentOs 6:
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vncserver -httpport 80
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  yum install bitmap-miscfixed-fonts
  
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=== Ubuntu 10.04 ===
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== only black window shown ==
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Errors like
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For SUSE:
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  Xtightvnc[6159]: segfault at e28116d8 ip 00007fdee17c635e sp 00007fffc36b0930 error 4 in libc-2.11.1.so[7fdee177d000+17a000]
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  /etc/init.d/xdm restart
  
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=== Ubuntu 10.10 ===
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= See also =
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cat >>/etc/apt/sources.list<<EOF
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* [[a Linux desktop in a website]]
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deb http://ubuntu.mirror.cambrium.nl/ubuntu/ maverick main multiverse
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* [[Terminal Server]]
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EOF
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* http://www.online-marketwatch.com/HttpTunnel4vnc/
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apt-get update
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* http://www.novell.com/support/kb/doc.php?id=7004096
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apt-get install tightvnc-java
 
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apt-get install tightvncserver
 
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vncserver -httpport 80
 
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results in errors like
 
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Xtightvnc[3508]: segfault at 8475f6d8 ip 00007f5e837127aa sp 00007fff06913a70 error 4 in libc-2.12.1.so[7f5e836c9000+17a000]
 

Latest revision as of 19:05, 24 November 2015

vnc allows you to control a computer's display over the network. It consists of a client and a server. The client is the viewer, the server provides the display.

To read on find out your distribution.

Ubuntu

Server

To set up a VNC server with Ubuntu open a console and issue 

sudo apt-get update
sudo apt-get install tightvncserver

To start it issue the command 

vncserver

To stop it issue the command 

sudo killall Xtightvnc

Client

Command 

vncviewer myserver:1

Hints

  • as desktop environment consider XFCE. It is lightweight yet provides a clearly guided user experience. Your .vnc/xstartup could look like this:
#!/bin/sh
xfce4-session

To get this working you must install xfce4. You can also install gnome and set .vnc/xstartup to be 

#!/bin/sh
gnome-session

TroubleShooting

fonts do not work

Fonts e.g. in nautilus do not work. For CentOs 6: 

yum install bitmap-miscfixed-fonts

only black window shown

For SUSE: 

/etc/init.d/xdm restart

See also

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