shell脚本实现Linux进程监控

 #!/bin/bash

 

IP=`ifconfig eth0 | grep "inet addr" | cut -f 2 -d ":" | cut -f 1 -d " "`

 

tomcat_dir="/opt/apache-tomcat-7.0.8"

mysql_dir="/usr/local/mysql/bin/mysqld_safe"

vsftp_dir="/usr/sbin/vsftpd"

mail_dir="sendmail"

ssh_dir="/usr/sbin/sshd"

 

 

 

for dir in $tomcat_dir $mysql_dir $vsftp_dir $mail_dir $ssh_dir 

do

process_count=$(ps -ef | grep "$dir" | grep -v grep | wc -l)

for service in tomcat mysql vsftp mail ssh

do

echo "$dir" |grep -q "$service"

if [ $? -eq 0 ]

then

if [ $process_count -eq 0 ]

then 

echo "$service is down at $(date +%Y%m%d%H:%M:%S)" >>/usr/monitor/process/process_$(date +%Y%m%d).log

echo "$service is down at $(date +%Y%m%d%H:%M:%S)" | mail -s "$IP服务器 $service服务关闭告警" [e-mail]

else

echo "$service is running at $(date +%Y%m%d%H:%M:%S)" >>/usr/monitor/process/process_$(date +%Y%m%d).log

fi

else

continue

fi

done

 

done