My first inclination would be to have supervisor run "sudo -u ubuntu /usr/bin/vncserver -fg -geometry 1024x768 :1".
In the case of vncserver, you will run into another problem. If vncserver dies unexpectedly, the 2nd instance of vncserver that supervisor tries to start will not stay up, because the lock file /tmp/.X1-lock will still exist from the first instance, as follows: Warning: hostname:1 is taken because of /tmp/.X1-lock Remove this file if there is no X server hostname:1 A VNC server is already running as :1 Because of this vncserver-specific complication, I would go even further and suggest that supervisor should run a shell script that does this cleanup (rm /tmp/.X1-lock), set (and export) up your environment variables, and then 'exec vncserver ....'. The 'exec' is to make sure that the vncserver process overlays the shell script PID, and does not result in an intermediate subshell between supervisor and vncserver. This way, the vncserver remains a direct child process of supervisor, not a grandchild. This is important because supervisor sends its termination signals only to its direct children. Hope it helps! tlj From: supervisor-users-boun...@lists.supervisord.org [mailto:supervisor-users-boun...@lists.supervisord.org] On Behalf Of Debnath Sinha Sent: Thursday, October 03, 2013 5:12 PM To: supervisor-users@lists.supervisord.org Subject: [Supervisor-users] Trying to start vncserver using supervisord I'm trying to start vncserver inside an lxc using supervisord. Since supervisord is starting as root, I have added user=ubuntu to the config to run it as "ubuntu" user. Here is the config: [program:vnc] directory=/ user=ubuntu environment=HOME="/home/ubuntu",USER="ubuntu" priority=901 command=/usr/bin/vncserver -fg -geometry 1024x768 :1 However, it is not finding the password file in /home/ubuntu/.vnc/passwd, my question is whether I need to do something special to set $HOME to /home/ubuntu or whether I should expect these to bet set when I asked supervisor to run it as user=ubuntu? Is setting user=ubuntu the same as doing: su ubuntu; <cmd>? Thanks, -Debnath
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