[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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| talk:howtos:window_managers:vnc [2023/02/24 23:27 (UTC)] – typo metaed | talk:howtos:window_managers:vnc [2023/03/13 18:29 (UTC)] (current) – remove body of new section now promoted to article metaed |
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| ====== Starting ''Xvnc'' on-demand ====== | ====== Starting ''Xvnc'' on-demand ====== |
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| A nice refinement is to configure the remote host to start ''Xvnc'' on-demand. By this I mean, when you connect to, say, your tunneled port ''localhost:5902'' using ''vncviewer'', the remote host should have an ''inetd'' listening on that port that starts your ''Xvnc'' for you. The line in ''inetd.conf'' might look like: | The proposed new section was promoted to the article. Cheers! [[wiki:user:metaed]] 2023-03-13 |
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| ''5902 stream tcp wait arfon /usr/bin/Xvnc Xvnc -Log *:syslog:30 passwordFile=/home/arfon/.vnc/passwd -inetd -query localhost -once'' | |
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| To use, you ''ssh'' to the remote host, which creates the tunnel, then ''vncviewer'' to the remote host, which creates the ''Xvnc'' if needed, and attaches it. I've seen at least one VNC viewer (bVNC) that has builtin support for ''ssh'' and combines these into one step, but haven't tried that. | |
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| Configured this way, ''Xvnc'' queries a display manager, which draws a login prompt before it creates your session, just the way it would on a "real" console. After that the ''Xvnc'' is persistent. You can detach from it and reattach from elsewhere and continue your work. (To prevent another authorized user from "walking up to your terminal", you could set the ''vncpasswd'', or you could ''xlock'' the display.) On my host I configured ''xdm'' as the display manager. It starts at boot time and handles the session query. This should surely be generalizable to other display managers but I have not tried it. --metaed | |
