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[Vserver] setrlimit limit failed: Operation not permitted[edit]
- From: Thorsten Gunkel
- Date: Wed, 6 Jul 2005 19:38:02 +0200 (CEST)
Hi, I have set up several Debian Sarge vservers on a Debian Sarge host. Kernel 2.6.11.5-vs1.9.5 util-vserver 0.30.207-8 (Debian Version) I have noticed that all vservers have lines like this in their syslog: ,---- | Jul 4 11:17:50 XXXXXXXX pam_limits[11826]: setrlimit limit #6 to soft=-1, hard=-1 failed: Operation not permitted; uid=0 euid=0 | Jul 4 11:18:02 XXXXXXXX pam_limits[11826]: setrlimit limit #8 to soft=-1, hard=-1 failed: Operation not permitted; uid=0 euid=0 | Jul 4 11:18:03 XXXXXXXX su[11826]: pam_open_session: Permission denied `---- As far as I understood the superuser starts a program (I guess in this case su?) which tries to set some limits (here RLIMIT_NOFILE and RLIMIT_MEMLOCK?) to unlimited. Inside a vserver this is not allowed. Right so far? Now I wonder if I can safely ignore that setrlimit messages? Another issue I noticed: If I enter a vserver with vserver ID enter and then type: ,---- | # at 19:21 | warning: commands will be executed using /bin/sh | at> su news -c whoami | at> <EOT> | job 3 at 2005-07-06 19:21 `---- This fails with: ,---- | su: Permission denied `---- When I try it without the at: ,---- | # su news -c whoami | news `---- it works. As the at command doesn't produce setrlimit syslog entries I guess that these are two different problems? TIA Thorsten
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