Bug#890517: killer's CRON logs out users once per hour

[Mike Gabriel]

Hi Wolfgang,

On  Do 22 Feb 2018 20:02:31 CET, Wolfgang Schweer wrote:

On Tue, Feb 20, 2018 at 12:54:26PM +0100, Wolfgang Schweer wrote:

Seems to be X2Go Bug #1171 Create wtmp entry for x2go sessions

See: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1171

After testing x2goserver on a Stretch system I noticed that X2Go
sessions can be detected reliably due to some command using a param
string containing 'X2GO'.

This change would work around the x2go bug running the killer cron job
only in case an X2Go session isn't detected:

--- a/cron.hourly       2014-06-11 11:15:55.000000000 +0200
+++ b/cron.hourly       2018-02-22 19:42:36.419963949 +0100
@@ -1,3 +1,3 @@
 #!/bin/sh

-if [ -x /usr/sbin/killer ] ; then /usr/sbin/killer; fi


Mike: could you test and give some feedback?

Wolfgang

+if [ -x /usr/sbin/killer ] && [ $(ps ax | grep X2GO | wc -l) -le 1 ] ; then /usr/sbin/killer; fi

Mike
--

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
mobile: +49 (1520) 1976 148
landline: +49 (4354) 8390 139

GnuPG Fingerprint: 9BFB AEE8 6C0A A5FF BF22  0782 9AF4 6B30 2577 1B31
mail: mike.gabr...@das-netzwerkteam.de, http://das-netzwerkteam.de

This is at most a dirty work around. The killer command wipes x2goagent hourly and this must be prevented in killer itself somehow. With the above patch you disable killer system-wide once at least one X2Go Session is running on the host. Not the right approach.

pgpgj_a3CWMkW.pgp
Description: Digitale PGP-Signatur