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UGU: Unix Guru Universe - Unix Tip #4533- August 9, 2025
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Unix Tip #4533- August 9, 2025
KEEP THOSE DAEMONS RUNNING
Here is a script that will keep daemons running
if the decide to die for some unforseen reason.
This tip generously supported by: ken@theglobeandmail.com
-------------------- cut here -----------------
#!/bin/csh
#
# NAME
# keepitup.csh - Keep demons up and running
#
# SYNOPSIS
# keepitup.csh
#
# DESCRIPTION
# If any of the following processes are down, then start them up
# again. This script can be run every few minutes from a crontab.
#
# AUTHOR
# Ken Stevens
foreach daemon (
/opt/GIS/apps/EventDispatcher/scripts/EventDispatcher.pl
/opt/GIS/apps/CatchFTP/scripts/ProcessFTP.pl
/opt/GIS/apps/NewsHound/scripts/NewsHound.pl
)
ps -e | fgrep `echo $daemon:t | cut -c1-8` > /dev/null
if ( $status > 0 ) then
echo Restarting $daemon
date
$daemon &
endif
end
NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.
LAST 5 TIPS
4532
- BE CAREFUL WITH NIS+
4531
- TAKE NOTES AT 3AM
4530
- HOW MANY COMMANDS HAVE I RUN?
4529
- VULNERABILITIES IN UNIX
4528
- METAVALUES FROM A SHELL SCRIPT
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