Hi
This is a shell script I wrote to start and stop htdig when it is running on a
fedora or Centos or redhat
linux machine.
This was not an easy script to write htdig is a very noisy program to kill from
a bash script which made
it very difficult to kill . Which made it very difficult to get to work with
the Fedora service script system.
The issue solved were kill -9 pid returning "Killed" or "terminated". You
can not trap a SIGINT signal
ie -9 where as you can trap a SIGTERM signal from pkill
Please include this script in future releases of htdig and install it into
/etc/init.d from the make install
process.
Best wishes
Mark Adam Tkac <atkac@redhat com>
Here is the script
#!/bin/sh
#
# htdig: 345 81 35
# description: Starts and stops the htdig search engine
# Source function library.
. /etc/rc.d/init.d/functions ### This library is called from
# See how we were called.
case "$1" in
start)
echo -n "Starting htdig search engine : "
rundig=$(pgrep rundig) # find all the process
if [ -z "$rundig" ] # check that another instants of rundig is not
running before
then # before running rundig
rundig& # rundig as a background task.
fi
echo "OK"
;;
stop)
echo -n "Stopping htdig search engine : "
# Notes
# =====
# this checks to see is there is a pid process number for the process
say "rundig"
# if there is a process it kills it off
# send annoying "killed" or "terminated messages to junk bin { comand
} 2>/dev/null
# then the final
rundig=$(pgrep rundig) # find all the process
htdig=$(pgrep htdig)
htmerge=$(pgrep htmerge)
htnotify=$(pgrep htnotify)
htfuzzy=$(pgrep htfuzzy)
# check the process has a PID job number and if it does kill it quitely
if [ "$rundig" ] ;then trap " $(pkill rundig | 2>/dev/null )" SIGTERM
;fi
if [ "$htdig" ]; then trap " $(pkill htdig | 2>/dev/null )" SIGTERM ;fi
if [ "$htmerge" ]; then trap " $(pkill htmerge | 2>/dev/null )" SIGTERM
;fi
if [ "$htnotify" ]; then trap " $(pkill htnotify | 2>/dev/null)"
SIGTERM ;fi
if [ "$htfuzzy" ]; then trap " $(pkill htfuzzy | 2>/dev/null)" SIGTERM
;fi
echo "OK"
;;
#status)
# echo ""
#;;
restart)
echo -n "Restarting htdig search engine : "
echo " "
echo -n "Stopping htdig search engine : "
rundig=$(pgrep rundig) # find all the process
htdig=$(pgrep htdig)
htmerge=$(pgrep htmerge)
htnotify=$(pgrep htnotify)
htfuzzy=$(pgrep htfuzzy)
# check the process has a PID job number and if it does kill it quitely
if [ "$rundig" ] ;then trap " $(pkill rundig | 2>/dev/null )" SIGTERM
;fi
if [ "$htdig" ]; then trap " $(pkill htdig | 2>/dev/null )" SIGTERM ;fi
if [ "$htmerge" ]; then trap " $(pkill htmerge | 2>/dev/null )" SIGTERM
;fi
if [ "$htnotify" ]; then trap " $(pkill htnotify | 2>/dev/null)"
SIGTERM ;fi
if [ "$htfuzzy" ]; then trap " $(pkill htfuzzy | 2>/dev/null)" SIGTERM
;fi
echo "OK"
echo -n "Starting htdig search engine : "
rundig&
echo "OK"
echo -n " Restart complete done."
;;
*)
echo "Usage: htdig search engine {start|stop|restart}"
exit 1
esac
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