Non obvious 127 plugin error

[Craig Stewart]

All,

SELinux was enabled (DOH!) and has been now disabled.  Didn't fix my
problem though.  Thanks for that Clint, I don't know HOW many times
SELinux has bitten me.  Should know by now.

I ran the strace as suggested by Justin and saw THIS little tidbit flash by:

11769 execve("/bin/sh", ["sh", "-c", "/usr/lib/nagios/plugins/check_dig
-H 142.166.86.18 -l www.xplornet.com -a 142.166.86.46 -w 0.5 -c 1 -t
5"], [/* 189 vars */]) = -1 E2BIG (Argument list too long)
11751 --- {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11769,
si_status=127, si_utime=0, si_stime=0} (Child exited) --

Argument list too long????  So, SOMETHING (I suspect the shell) doesn't
like that many arguments passed.  Well, making progress.

By the way, this is a bone stock OS install (Fedora 15 currently) and I
haven't tweaked anything.

Cheers all!

Craig
--
Craig Stewart
Systems Integration Analyst
Craig.Stewart at corp.xplornet.com
Xplornet - Broadband, Everywhere

On 06/01/2011 05:36 PM, Clint Dilks wrote:
> Hi
> 
> Just wondering if SE Linux is disabled on your system?  If not check
> your audit log and see if access to the plugin is being denied
> 
> On Thu, Jun 2, 2011 at 8:15 AM, Justin T Pryzby <justinp at norchemlab.com
> <mailto:justinp at norchemlab.com>> wrote:
> 
>     You can also strace the main nagios process:
>     strace -fs999 -e execve -p PID_OF_NAGIOS
>     or
>     sudo strace -fs999 -e execve -p `ps o pid h -C nagios3 --sort
>     start_time |sed q` 2>&1 |grep -Fw execve |grep -Fw check_dig
> 
>     127 is the return status of the shell when a command isn't found:
>     justinp at justinp:~$ asdf; echo $?
>     bash: asdf: command not found
>     127
> 
>     man sh => /EXIT STATUS/
> 
>     Justin
> 
>     On Wed, Jun 01, 2011 at 04:23:05PM -0300, Craig Stewart wrote:
>     > Giorgio
>     >
>     > As apache user:
>     >
>     > bash-4.2$ /usr/lib/nagios/plugins/check_dig -H 72.45.111.250
>     <tel:72.45.111.250> -l
>     > www.xplornet.com <http://www.xplornet.com> -a 142.166.86.46 -w 0.5
>     -c 1 -t 5
>     > DNS OK - 0.096 seconds response time (www.xplornet.com
>     <http://www.xplornet.com>. 864 IN A
>     > 142.166.86.46)|time=0.095553s;0.500000;1.000000;0.000000
>     >
>     >
>     > You understand my confusion.
>     >
>     > Craig
>     >
>     > Craig Stewart
>     > Systems Integration Analyst
>     > Craig.Stewart at corp.xplornet.com
>     <mailto:Craig.Stewart at corp.xplornet.com> Tel: (506) 328-1245
>     <tel:%28506%29%20328-1245> Cell: (506) 425-0111
>     <tel:%28506%29%20425-0111>
>     > Xplornet - Broadband, Everywhere
>     >
>     > On 06/01/2011 04:18 PM, Giorgio Zarrelli wrote:
>     > > Hi,
>     > >
>     > > I'm curious. Please, do a su - as the apache user and execute
>     the check
>     > > as that user.
>     > >
>     > > Ciao,
>     > >
>     > > Giorgio
>     >
>     >
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