Editing X inside VE
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− | There are several ways to run X applications inside your [[ | + | There are several ways to run X applications inside your [[VE]]. |
== X forwarding == | == X forwarding == | ||
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=== Single application === | === Single application === | ||
− | To run an X application inside a [[ | + | To run an X application inside a [[VE]], one need simply to connect to a VE with '''ssh -X''': |
<pre> | <pre> | ||
host# ssh -2 -c blowfish -X user@address | host# ssh -2 -c blowfish -X user@address | ||
</pre> | </pre> | ||
− | After login to | + | After login to VE check that <code>$DISPLAY</code> variable is set and X11 forwarding is enabled: |
<pre> | <pre> | ||
ve# echo $DISPLAY | ve# echo $DISPLAY | ||
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</pre> | </pre> | ||
− | In case <code>$DISPLAY</code> is not set, make sure that X forwarding is enabled in <code>sshd</code> config inside | + | In case <code>$DISPLAY</code> is not set, make sure that X forwarding is enabled in <code>sshd</code> config inside VE. In most Linux distros sshd configuration is stored in <code>/etc/ssh/sshd_config</code>. You should set parameter <code>X11Forwarding</code> to <code>yes</code>. Also VE should contain <code>xauth</code> package, thus install <code>xauth</code> if it is missing (in Debian this is part of the xbase-clients package). After that, restart your sshd daemon: |
<pre> | <pre> | ||
ve# /etc/init.d/sshd restart | ve# /etc/init.d/sshd restart | ||
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{{Note|Don't forget to reconnect after this}} | {{Note|Don't forget to reconnect after this}} | ||
− | Now you can run X applications from your | + | Now you can run X applications from your VE: |
<pre> | <pre> | ||
ve# firefox | ve# firefox | ||
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== VNC for X desktop == | == VNC for X desktop == | ||
− | First, one need to run '''Xvnc''' server inside | + | First, one need to run '''Xvnc''' server inside VE. The easiest way for this is to run |
'''vncserver''' script. This scripts starts all the required services | '''vncserver''' script. This scripts starts all the required services | ||
and small http daemon which provides graphical web access to your desktop (via Java applet). | and small http daemon which provides graphical web access to your desktop (via Java applet). | ||
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using '''vncviewer''' command: | using '''vncviewer''' command: | ||
<pre> | <pre> | ||
− | host# vncviewer < | + | host# vncviewer <VE_IP>:1 |
</pre> | </pre> | ||
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=== Starting KDE desktop with VNC === | === Starting KDE desktop with VNC === | ||
To start KDE desktop instead of default twm one replace <code>twm &</code> line with <code>startkde &</code> in user's | To start KDE desktop instead of default twm one replace <code>twm &</code> line with <code>startkde &</code> in user's | ||
− | <code>~/.vnc/xstartup</code> file on the | + | <code>~/.vnc/xstartup</code> file on the VE. |
=== Connecting with VNC from firewalled network === | === Connecting with VNC from firewalled network === | ||
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Change your display settings (don't forget to change them back after you establish a connection) | Change your display settings (don't forget to change them back after you establish a connection) | ||
− | <pre>DISPLAY=:1 | + | <pre>DISPLAY=:1,0</pre> |
Forward your application or desktop over ssh to Xephyr | Forward your application or desktop over ssh to Xephyr | ||
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[http://cafelinux.org/OptickleArt/albums/userpics/Xephyr.png Screenshot] | [http://cafelinux.org/OptickleArt/albums/userpics/Xephyr.png Screenshot] | ||
− | == Using | + | == Using xdm == |
− | + | It should be also possible to do remote X by running '''xdm''' inside VE and | |
+ | X -query <remote IP> :1 | ||
− | + | However VNC approach is much easier. | |
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== External links == | == External links == | ||
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* http://forum.openvz.org/index.php?t=tree&th=235&mid=1115&&rev=&reveal= | * http://forum.openvz.org/index.php?t=tree&th=235&mid=1115&&rev=&reveal= | ||
− | * http://ait.web.psi.ch/services/linux/ | + | * http://ait.web.psi.ch/services/linux/kde-desktop-sharing.htm |
* http://ait.web.psi.ch/services/ssh/vnc-ssh.html | * http://ait.web.psi.ch/services/ssh/vnc-ssh.html | ||
* http://www.vnc.com/pipermail/vnc-list/2002-July/031831.html | * http://www.vnc.com/pipermail/vnc-list/2002-July/031831.html | ||
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[[Category: HOWTO]] | [[Category: HOWTO]] | ||
[[Category: Networking]] | [[Category: Networking]] | ||
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