rc script running twice ???
Kyle Smith
askreet at gmail.com
Thu Jan 27 14:38:06 EST 2011
On Thu, Jan 27, 2011 at 2:26 PM, Drew Van Zandt <drew.vanzandt at gmail.com>wrote:
> Debian Linux (embedded), I'm in runlevel 2, and I'm seeing this when I run
> ps aux:
>
> root 496 0.0 1.9 2808 1232 ttyS0 S+ 00:00 0:00 /bin/sh
> /etc/rc2.d/S40init_xuarts start
> root 498 0.0 0.8 2808 504 ttyS0 S+ 00:00 0:00 /bin/sh
> /etc/rc2.d/S40init_xuarts start
>
> S40init_xuarts is a script of mine that I just put in /etc/init.d/ and
> linked from rc2.d.
>
> Why is it running twice? I've gone through the first page of possibilities
> from a google search, I'm hoping one of you can point out my obvious silly
> mistake,
>
since I'm blanking.
>
Is 496 the parent of 498, or are they two distinct copies? If so, it's
probably because it starts with #!/bin/sh.
Typically your S* scripts should exec and background whatever service you're
trying to start, not stay running once the system is loaded. Otherwise ps
aux would be full of S* scripts. You might want to look at
start-stop-daemon in Debian.
- Kyle
>
> --
> *
> Drew Van Zandt
> Artisan's Asylum Craft Lead, Electronics & Robotics
> *
>
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