[GE users] Run qlicserver As A True Daemon
Mark.Olesen at emconTechnologies.com
Fri May 29 07:20:11 BST 2009
> Has anyone got the excellent qlicserver tool running as a true daemon
> I've been trying to ste this up, without success. Here's where I'm up
> to so far...
> I've altered qlicserver so the line;
> my $ppid = getppid();
> Now reads
> my $ppid = 1;
The better way is not hacking the code, but setting the parameter ppid=0
somewhere. By "somewhere", I mean you have the choice of passing it from
the command-line, within an auxiliary qlicserver.config file, or hard
coding in the -defaultConfig parameters.
Assigning it this way is not only more flexible than hacking source, it
is marginally more efficient since the check_ppid sub bypasses all other
mechanisms and simply returns a constant "true".
> However, if I run this at boot (vi a copy of the script in
> /etc/rc.d/init.d, linked to /etc/rc.d/rc3.d) it runs, stays in the
> background, but fails to update SGE or write to the output file I'm
I'm surprised that output isn't working ... maybe the output is just
going somewhere unexpected? The dir= parameter might perhaps help.
Did you check that all the needed environment variables (SGE_ROOT,
LM_LICENSE_FILE, etc) are correctly set in the init-script before
Just for debugging purposes, it could be writing the output to stdout at
a known location.
/somePath/qlicserver -d ppid=0 output=- > /tmp/qlicserver-output
In the worst case, you might have to add some print or warn statements
to the qlicserver to check the sanity at various stages. The output from
'warn' goes to stderr.
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