Service-Start-Linux

Service-Start-Linux
Click Here to Download zip

Author ::krishees@gmail.com      
Features,     
Check the status of the given services (as a command line argument)  
and if that particular service is in down status./checksrv.sh <service> 
program can turn up the particular service.    
======================================================================= 
pattern->        
./checksrv.sh <service-1> <service-2>.....<service-n>   
ex-> for httpd and mysqld     
./checksrv.sh httpd mysqld     
======================================================================= 
Usage->   
Using crontab (crontab -e)      
* * * * *  ./checksrv.sh <service>     
Check the status of the service every 60 seconds and if the particular 
service not up then the ./checksrv.sh will bring up the particular  
services          
------------------------------------------------------------------------
Using inittab (/etc/inittab)      
Check the status of a service after particular run-level reset. After  
particular run-level change and if particular service is not up then    
 ./checksrv.sh will bring up  the particular services    

#./checksrv.sh

#!/bin/bash


echo "
======================================================================= +
Author ::krishees@gmail.com      +
Features,        +
Check the status of the given services (as a command line argument)  +
and if that particular service is in down status./checksrv.sh <service> + 
program can turn up the particular service.    +
======================================================================= +
pattern->        +
./checksrv.sh <service-1> <service-2>.....<service-n>   +
ex-> for httpd and mysqld      +
./checksrv.sh httpd mysqld      +
======================================================================= +
Usage->         +
Using crontab (crontab -e)      + 
* * * * *  ./checksrv.sh <service>      +
Check the status of the service every 60 seconds and if the particular  +
service not up then the ./checksrv.sh will bring up the particular  + 
services          +
------------------------------------------------------------------------+
Using inittab (/etc/inittab)      +
Check the status of a service after particular run-level reset. After  +
particular run-level change and if particular service is not up then    +
 ./checksrv.sh will bring up  the particular services    +
======================================================================= +
"
if [ "$#" = 0 ]
then
echo "Usage $0 <service>"
exit 1
fi

for i;do
service=$i
is_running=`ps aux | grep -v grep| grep -v "$0" | grep $service| wc -l | awk '{print $1}'`
if [ $is_running != "0" ] ;
then
echo "Nothing to do!!! $service Service  is already up and running...."
else
echo
initd=`ls /etc/init.d/ | grep $service | wc -l | awk '{ print $i }'`
if [ $initd = "1" ];
then
startup=`ls /etc/init.d/ | grep $service`
echo "
=======================================================================
               $i
======================================================================="
echo "Waiting for service $i..."
/etc/init.d/${startup} start
else
echo "$i No such a service!!!"
fi
fi
done