PHP script to monitor servers.

<title>Code</title>

<title>Server Status</title>

<center> <b><font style="" size="5" face="Times New Roman,Times,serif"> Servers - Status of critical services </font></b> </center>

<p><font style="" size="2" face="Verdana,Arial,Helvetica,sans-serif">

 <b>Servers</b> ";
for( $j=0; $servicenames[$j]; $j++)
   { echo "<font color="blue"> <b> $servicenames[$j]</b></font> "; }


$serviceports_array = $ini_array['service_ports'];
$serviceports = explode (",",$serviceports_array);
sort($serviceports,SORT_NUMERIC);

for($i=0;$hostnames[$i];$i++)
{
   $hostname = $hostnames[$i];
   $port_array = $ini_array[$hostname];
   $ports = explode (",",$port_array);
       sort ($ports,SORT_NUMERIC);
  
   echo "    <font color="green"> <b> $hostname </b></font> ";
   for($m=0,$n=0;$serviceports[$m];$m++)
   {    if ($serviceports[$m] == $ports[$n])
       { disp_status($hostname,$ports[$n],'Y'); $n++;  
       } else {
        disp_status($hostname,$ports[$n],'N');}  
   }
}

function disp_status($_hostname, $_port, $_status){

   error_reporting(0);
//    header("Content-type: image/gif");
   if ($_status == 'Y')
   {
       $fp = fsockopen($_hostname, $_port);
       if (!$fp)
       { echo " <img src="http://www.blogger.com/%27offline.png%27">";}
        else
       { echo " <img src="http://www.blogger.com/%27online.png%27">";}
       fclose($fp);
   }
   else
       { echo " <img src="http://www.blogger.com/%27NA.png%27">";}
}

?>


</font>
</p><p> <b>KEY :     <img src="http://www.blogger.com/%27offline.png%27"> OFFLINE          <img src="http://www.blogger.com/%27online.png%27"> ONLINE        <img src="http://www.blogger.com/%27NA.png%27"> NOT MONITORED </b></p><b>



</b>

DBORA script for oracle startup in RHEL

[root@myserver ~]# cat /etc/init.d/dbora 
#!/bin/bash
#
# chkconfig: 345  60 50
# description: Oracle auto start-stop script.

# Modify the variables $ORA_HOME, $ORA_OWNER and $LOG as appropriate for each server.
#          -  Nabeel Moidu

# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
[ -r /etc/sysconfig/network ] && . /etc/sysconfig/network

# Modify the variables $ORA_HOME, $ORA_OWNER and $LOG as appropriate for each server.
#          -  Nabeel Moidu
ORA_HOME=/u01/oracle/product/10.2.0.1
ORA_OWNER=ora10g
LOG=$ORA_HOME/log/server/dbora/dbora.log


if [ ! -f $ORA_HOME/bin/dbstart -o ! -d $ORA_HOME ] 
then
   echo "Oracle startup: cannot start"
   exit
fi

case "$1" in
    start)
       echo "$0: starting up" >> $LOG
       # Start the Oracle databases:
       su - $ORA_OWNER -c "$ORA_HOME/bin/dbstart &" >> $LOG
       # Start Oracle listener
       date >> $LOG
       su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl start" >> $LOG 2>&1
       touch /var/lock/subsys/dbora
       echo "Refer to $LOG for details"
        ;;
     stop)
        echo "$0: stopping down" >> $LOG
        date >> $LOG
        # Stop Oracle Net
        su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl stop" >> $LOG 2>&1
        # Stop the Oracle databases:
        su - $ORA_OWNER -c "$ORA_HOME/bin/dbshut &" >> $LOG
        rm -f /var/lock/subsys/dbora
        ;;
    restart)
        $0 stop
        sleep 120
        $0 start
        ;;
    status)
        if [ -f /var/lock/subsys/dbora ]; then
            echo $0 started.
            su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl status"  
        else
            echo $0 stopped.
            su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl status"  
        fi
        ;;
    *)
        echo "usage: dbora {start|stop|restart|status}"
        exit 1
esac
exit 0