Hi Walid

Thanks for the reply. I tried the suggested x2goterminate-session command, but after running the commands, both sessions still appear using x2golistsessions_root.

fangq@taote:/var/log$ sudo x2goterminate-session trainer1-51-1502204631_stDXFCE_dp32 fangq@taote:/var/log$ sudo x2goterminate-session trainer7-52-1502214187_stDXFCE_dp32 fangq@taote:/var/log$ sudo /usr/sbin/x2golistsessions_root 20580|trainer1-51-1502204631_stDXFCE_dp32|51|taote|S|2017-08-08T11:03:51|1ceb68b8945d9f043d8b6a721a7e3c65|10.15.159.9|33463|33464|2017-08-08T17:56:15|trainer1|1397401|33465| 10905|trainer7-52-1502214187_stDXFCE_dp32|52|taote|S|2017-08-08T13:43:07|524bc025982e1c79c23e87661e6e6537|10.15.138.221|61994|61995|2017-08-08T13:59:17|trainer7|1387845|61996|

Any other thoughts? thanks

From: Walid MOGHRABI Sent: Wednesday, August 23, 2017 4:30 AM To: Qianqian Fang Cc: x2go-user@lists.x2go.org Subject: Re: [X2Go-User] How to purge zombie sessions after a user is deleted

Just go on the X2Go server and do x2goterminate-session <session id>

For exmple, in your case :

x2goterminate-session trainer1-51-1502204631_stDXFCE_dp32

Regards, Walid Moghrabi

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De: "Qianqian Fang" <fangqq@gmail.com> À: x2go-user@lists.x2go.org Envoyé: Mercredi 23 Août 2017 00:40:46 Objet: [X2Go-User] How to purge zombie sessions after a user is deleted

I am not sure if this is a bug, but it looks like x2gocleansessions keeps trying to open some previously saved session created by a deleted user. This leaves a log like the following in the /var/log/auth.log and this log continues to add in an infinite loop

Aug 22 18:17:32 taote su[6146]: - ??? root:trainer7 Aug 22 18:17:32 taote su[6147]: No passwd entry for user 'trainer7' Aug 22 18:17:32 taote su[6147]: FAILED su for trainer7 by root

if I kill the x2gocleansessions process, the log stops.

if I run

sudo /usr/sbin/x2golistsessions_root

I can see the two zombie sessions

20580|trainer1-51-1502204631_stDXFCE_dp32|51|taote|S|2017-08-08T11:03:51|...|10.15.159.9|33463|33464|2017-08-08T17:56:15|trainer1|1236642|33465| 10905|trainer7-52-1502214187_stDXFCE_dp32|52|taote|S|2017-08-08T13:43:07|...|10.15.138.221|61994|61995|2017-08-08T13:59:17|trainer7|1227086|61996|

but could not find a way to purge then. Those two user accounts (trainer1 and trainer7) were created for an event previously, but after the event, both accounts have been deleted.

A reboot does not solve the issue. As long as you run "sudo service x2goserver restart", the error log comes back and keeps repeating itself.

Can someone suggest a way to purge these zombie sessions so that I don't see the error logs again?

thanks

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