On Wed, 2 Oct 2013 20:53:52 -0500 inode0 <inode0@xxxxxxxxx> wrote:
> On Wed, Oct 2, 2013 at 10:10 AM, Ranjan Maitra
> <maitra.mbox.ignored@xxxxxxxxx> wrote:
> > Hi,
> >
> > I have a cron job running which yum updates all my machines once a day.
> > All of these work fine.
> >
> > I also have a cron job which checks for kernel updates every hour and
> > sends me a message if an updated kernel has been installed. Here is the
> > relevant script:
> >
> > --- begin file called check-kernel.sh in my scripts/yum directory---
> >
> > #!/bin/bash
>
> export DISPLAY=:0
I was wondering -- why, instead of this, the following would not work:
export $(env | grep DISPLAY)
Note that:
echo $(env | grep DISPLAY)>/tmp/tmp.txt
creates a blank file so there is a problem, clearly.
Just trying to see if I can easily hardcode the DISPLAY variable.
Thanks!
Ranjan
>
> > latestkernel=$(rpm -q kernel |tail -n1|sed -e 's/kernel-//')
> >
> > #echo "$latestkernel"
> >
> > if uname -a | grep -qv "$latestkernel"; then
> > notify-send "Kernel UPDATE on ${HOSTNAME}: Running Kernel is $(uname
> > -r) but lat est installed rpm is ${latestkernel}; REBOOT required"
> > fi;
> >
> >
> > --- end file called check-kernel.sh ---
>
> Give that a try if you haven't yet Ranjan.
>
> John
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