Linux/Process fork monitoring

ps_moniter.sh

 #!/bin/bash

. /etc/profile

let LIMIT_PROCESS=400

let LIMIT_BIG_PROCESS=40

ALL_PROCESS_NUM=`ps x |wc -l`

if [ ${ALL_PROCESS_NUM} -gt ${LIMIT_PROCESS} ]; then

  echo ${ALL_PROCESS_NUM}

fi

BIG_PROCESS=`ps x -o cmd |sort  |uniq -c |sort -n |tail -n 10`

BIG_PROC_SUM=`echo "${BIG_PROCESS}" |awk ' { SUM=SUM+$1 } END { print SUM } '`

if [ ${BIG_PROC_SUM} -gt ${LIMIT_BIG_PROCESS} ]; then

  MESSAGE="Process Report [Big Process Larger than ${LIMIT_BIG_PROCESS}]

${BIG_PROCESS}"

  echo "$MESSAGE"

fi

crontab

*/5 * * * * cd /root/bin && ./ps_moniter.sh &>/dev/null