Can't open pipe

[Jim Mozley]

Cal Lidderdale wrote:

> Recompiled on a new machine (alpha)
> 
> running from prompt:  ( nagios -d nagios.cfg ) and the web looks fine.
> When I tell it to "Sche. an Imed. check" it trys to run, but ...
> 
> ../var/status.log contains:
> 
> [1078428014] HOST;npst;DOWN;1078427723;1078418138;0;10;7569;0;1078425372;
>         2;1;1;1;1;0;0.00;0;1;1;Cannot open pipe: (null)
> 
> [1078428014]SERVICE;npst;PING;UNKNOWN;1/3;HARD;1078427723;1078428023;
>        
> ACTIVE;1;1;1;1078418139;0;UNKNOWN;0;7568;0;0;0;0;1;0;0;1;0;0.00;0;1;1;1;
>         Cannot open pipe: (null)
> 
> the ... rw/nagios.cmd file is there permissions look good (accord2docs) 
> and it gets
> timestamped current whenever I run a check.
> 
> aaaaaalp,  I missed something.
> 

On a couple of occasions I've noticed the command pipe seemed to 
disappear. Try stopping Nagios, check that there are no Nagios processes 
  running and then start it again.

Assuming it has never worked, can you fire off a passive command as root 
via the command pipe to see if it is a permission problem?

HTH,

Jim Mozley


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