[CentOS] Commands failing silently?

2008-03-24 Thread Dan Bongert
I been hit with some sort of cunning rootkit? This machine shouldn't be publicly accessible; it's behind our firewall. Thanks. -- Dan Bongert [EMAIL PROTECTED] ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Commands failing silently?

2008-03-24 Thread Dan Bongert
Bill Campbell wrote: On Mon, Mar 24, 2008, Dan Bongert wrote: Hello all: I have a couple CentOS 4 servers (all up-to-date) that are having strange command failures. I first noticed this with a perl script that uses lots of system calls. Basically, sometimes a command just won't run:

Re: [CentOS] Commands failing silently?

2008-03-24 Thread Dan Bongert
mouss wrote: Dan Bongert wrote: Hello all: I have a couple CentOS 4 servers (all up-to-date) that are having strange command failures. I first noticed this with a perl script that uses lots of system calls. thoth(66) /tmp> uname -a Linux thoth.ssc.wisc.edu 2.6.9-67.0.7.ELsmp #1 SMP Sat

Re: [CentOS] Commands failing silently?

2008-03-25 Thread Dan Bongert
William L. Maltby wrote: On Mon, 2008-03-24 at 16:19 -0500, Dan Bongert wrote: mouss wrote: Dan Bongert wrote: Hello all: Though 'ls' was just an example -- just about any program will fail. The 'w' command will fail too: thoth(118) /tmp> w 16:06:51 up 5:34,

Re: [CentOS] Commands failing silently?

2008-03-27 Thread Dan Bongert
Kai Schaetzl wrote: William L. Maltby wrote on Tue, 25 Mar 2008 16:18:51 -0400: "~>" ? Got me on that one. home dir plus prompt. It looks funny, yes :-) Yup, that's exactly it -- I had run that command from my homedir instead of from /tmp. -- Dan Bongert

Re: [CentOS] Commands failing silently?

2008-03-27 Thread Dan Bongert
mouss wrote: Dan Bongert wrote: mouss wrote: Dan Bongert wrote: Hello all: I have a couple CentOS 4 servers (all up-to-date) that are having strange command failures. I first noticed this with a perl script that uses lots of system calls. thoth(66) /tmp> uname -a Linux thoth.ssc.wisc.

Re: [CentOS] Commands failing silently?

2008-03-27 Thread Dan Bongert
Filipe Brandenburger wrote: Hi, On Tue, Mar 25, 2008 at 2:21 PM, Dan Bongert <[EMAIL PROTECTED]> wrote: thoth(3) /tmp> ls thoth(4) /tmp> echo $? 141 141 is SIGPIPE. If the process is killed by a signal, the return code will be 128+signal number. 141-128=13, and kill -l says:

Re: [CentOS] Commands failing silently?

2008-03-27 Thread Dan Bongert
Dan Bongert wrote: Filipe Brandenburger wrote: Hi, On Tue, Mar 25, 2008 at 2:21 PM, Dan Bongert <[EMAIL PROTECTED]> wrote: thoth(3) /tmp> ls thoth(4) /tmp> echo $? 141 141 is SIGPIPE. If the process is killed by a signal, the return code will be 128+signal number. 141-128=