On Sunday, June 24, 2012 01:28:28, lina wrote:
> On Sun, Jun 24, 2012 at 12:49 PM, Chris Knadle <chris.kna...@coredump.us>
> wrote:
> > On Saturday, June 23, 2012 23:49:54, lina wrote:
> >> Kinda of funny,
> >>
> >> Dselect reported me that my /var has saturated. Indeed, 100%.
> >>
> >> My question is that how to set to let me know earlier when the var
> >> reached 98%. Kinda of dangerous huh?
> >
> > This is a common problem. If this is a box you're running KDE on I'd
> > suggest the freespacenotifier package. If this is a server (or doesn't
> > run KDE) then
>
> It runs with xfce4.
>
> > I'd suggest configuring the box such that you'll get email output from
> > cron, and then make a cronjob that outputs text only when the free space
> > left on filesystems reaches the desired "warning" threshold.
>
> I started to initiate a script,
>
> $ while [ df -h | grep "/dev/sda11 " | awk '{print $5}' > 90% ]; do
> sleep 1000 ; done mail l...@email.com
> bash: [: missing `]'
> bash: 90%: No such file or directory
>
> not work.
>
> Can someone recommend some build-in script which integrate the cron,
> so I can take it as template and learn from it. I don't know which one
> is the best fit, which also autorun everytime after reboot.
This evening I came up with the following quick script, "freespacewarn",
which I placed in my home directory under ~/bin :
--------------------------------------------
#!/bin/bash
df -h | fgrep -v -e Filesystem | while read FS SIZE USED AVAIL PCNT_USE
MOUNTEDAT JUNK
do
export PCNT_USE
PCNT=$(echo $PCNT_USE | tr -d '%')
if [ $PCNT -gt 90 ]; then
echo "Warning: filesystem at $MOUNTEDAT nearly full."
echo " Filesystem $FS, Size $SIZE, $USED used, $AVAIL avail, $PCNT_USE
used, mounted at $MOUNTEDAT"
fi
done
--------------------------------------------
Then I made a user crontab entry via 'crontab -e' to run this once a day
at 7am:
0 7 * * * /home/cknadle/bin/freespacewarn
-- Chris
--
Chris Knadle
chris.kna...@coredump.us
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