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Re: Commands failing silently?

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Peter l Jakobi Re: [CentOS] Commands failing silently?
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On Mon, Mar 24, 2008 at 04:18:49PM -0500, Dan Bongert wrote:
>> You can also try running ``strace /bin/ls'' to see what is going on.
> Funnily enough, running strace will work just fine. Though, as I said, just
> about any command will fail -- 'ls' was just for testing purposes.

That's  funny. Or due to the output of strace changing timing & stress.

Try  redirecting the strace output to a separate (local filesystem  or
ramdisk) file, possibly restricted to file operations. Also: check top
- you don't have swap or ram problems?

--
cu
Peter l Jakobi
[email protected: l...@kefk.oa.shuttle.de]
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Thread : Commands failing silently?
1)
Dan Bongert Hello all: I have a couple CentOS 4 servers (all up-to-date) that are having strange command...
2)
Bill Campbell There is a very good chance that the machine has been cracked, and the system's /bin/ls routine...
3)
Dan Bongert Everything seems OK there: thoth(96) /tmp> sudo rpm -V coreutils procps util-linux Funnily enough,...
4)
Peter l Jakobi That's funny. Or due to the output of strace changing timing & stress. Try redirecting the strace...
5)
mouss where is /tmp mounted? is this an external disk (usb, ...)? is it an nfs mount?
6)
Dan Bongert It's a local disk: thoth(97) /tmp> df -h . Filesystem Size Used Avail Use% Mounted on /dev/md4 16G...
7)
William L. Maltby Hmmm... Sure it's failing? Maybe just the output is going somewhere else? After the command runs,...
8)
Dan Bongert Ok, it's definitely getting an error from somewhere: thoth(3) /tmp> ls thoth(4) /tmp> echo $?...
9)
William L. Maltby "~>" ? Got me on that one. Ditto. Although I should mention that unless you "man bash" and find the...
10)
Filipe Brandenburger Hi, 141 is SIGPIPE. If the process is killed by a signal, the return code will be 128+signal...
11)
mouss maybe check your PATH. try $ /bin/ls ...
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