Linux系统CPU、内存、硬盘、网络、LNMP服务整体监控邮件报警

#!/bin/bash IP=`ifconfig|awk'NR==2{print $2}'|awk-F: '{print $2}'` #一.检查系统情况 #1.CPU检查 echo"##########CPU state show##########" echo"_____________________________________________________________________________________________" top-n 1|grepCpu us=`top-n 1|grepCpu|awk'{print $2}'|awk-F"%"'{print $1}'` us100=`echo"$us*100"|bc|awk-F"."'{print $1}'` #echo us*100 = $us100 sy=`top-n 1|grepCpu|awk'{print $3}'|awk-F"%"'{print $1}'` sy100=`echo"$sy*100"|bc|awk-F"."'{print $1}'` #echo sy*100 = $sy100 cpu_number=`echo"$us100 $sy100"|bc` #echo us*100 sy*100 = $cpu_number if[ $cpu_number -gt "7000"];then echo"$IP CPU is hight"| mail -s "warn!server: $IP CPU is hight"15210942688@163.com else echo-e "33[32m ...CPU is (OK) ! 33[0m" fi echo"_____________________________________________________________________________________________" echo"" #2.内存检查 echo"##########MEM state show##########" echo"_____________________________________________________________________________________________" free-m|awk'NR<3{print}' free-g |grep-i mem |awk'{if($4 < 10){ printf("3") > "/proc/sys/vm/drop_caches"}}'; echo-e "33[32m ...内存 is (OK) ! 33[0m" echo"_____________________________________________________________________________________________" echo"" #3.硬盘空间检查 echo"##########DRIVE state show##########" echo"_____________________________________________________________________________________________" df-h use_df=`df-h|awk'NR==3{print $4}'` if[ $use_df == "90%"];then echo"$IP DF is hight"| mail -s "warn!server: $IP DF is hight"15210942688@163.com else echo-e "33[32m ...硬盘 is (OK) ! 33[0m" fi if[ $use_df == "95%"];then echo"$IP df is hight"| mail -s "warn!server: $IP DF is hight"15210942688@163.com else echo-e "33[32m ...硬盘 is (OK) ! 33[0m" fi echo"_____________________________________________________________________________________________" echo"" #4.网络检查 echo"##########NETWORK state show##########" ifconfig|awk-F":"'NR==2 {print $2}'|awk'BEGIN{print "IP"}{print $1}' ifconfig|grepRX|awk'NR==2{print}' echo-e "33[32m ...网络 is (OK) ! 33[0m" echo"_____________________________________________________________________________________________" echo"" #################################################################################################### #二.检查nginx、php、mysql状态 #1.nginx ps and netstat echo"##########nginx state show##########" echo"_____________________________________________________________________________________________" nginx_port_number=`netstat-lntp|grep:80|wc-l` #1 nginx_process_number=`ps-ef|grepnginx|grep-vgrep|wc-l` #5 if[ $nginx_port_number == "0"];then echo"$IP nginx is down"| mail -s "warn!server: $IP nginx_port is down"15210942688@163.com /usr/local/nginx/sbin/nginx if[ $test_nginx != "0"];then echo"$IP nginx is down"| mail -s "warn!server: $IP not't restart"15210942688@163.com fi else echo-e "33[32m ...nginx is running(OK) ! $(date) 33[0m" fi if[ $nginx_process_number == "0"];then echo"$IP nginx is down"| mail -s "warn!server: $IP nginx_process is down"15210942688@163.com /usr/local/nginx/sbin/nginx test_nginx2=echo$? if[ $test_nginx2 != "0"];then echo"$IP nginx is down"| mail -s "warn!server: $IP not't restart"15210942688@163.com fi else echo-e "33[32m ...nginx is running(OK) ! $(date) 33[0m" fi echo"_____________________________________________________________________________________________" echo"" #2.php ps and netstat echo"##########php state show##########" echo"_____________________________________________________________________________________________" php_fpm_port_number=`netstat-lntp|grep:9000|wc-l` #1 php_fpm_process_number=`ps-ef|grepphp-fpm|grep-vgrep|wc-l` #129 if[ $php_fpm_port_number == "0"];then echo"$IP php-fpm is down"| mail -s "warn!server: $IP php_fpm_port is down"15210942688@163.com /etc/init.d/php-fpmrestart test_php1=echo$? if[ $test_php1 != "0"];then echo"$IP php-fpm is down"| mail -s "warn!server: $IP not't restart"15210942688@163.com fi else echo-e "33[32m ...PHP is running(OK) ! $(date) 33[0m" fi if[ $php_fpm_process_number == "0"];then echo"$IP nginx is down"| mail -s "warn!server: $IP php_fpm_process is down"15210942688@163.com /etc/init.d/php-fpmrestart test_php2=echo$? if[ $test_php2 != "0"];then echo"$IP php is down"| mail -s "warn!server: $IP not't restart"15210942688@163.com fi else echo-e "33[32m ...PHP is running(OK) ! $(date) 33[0m" fi echo"_____________________________________________________________________________________________" echo"" ##3.mysql ps and netstat # #echo "##########mysql state show##########" #echo "_____________________________________________________________________________________________" #mysql_port_number=`netstat -lntp|grep :3306|wc -l` #1 #mysql_process_number=`ps -ef|grep mysql|grep -v grep|wc -l` #2 # #if [ $mysql_port_number == "0" ];then # echo "$IP mysql is down" | mail -s "warn!server: $IP mysql_port is down" 15210942688@163.com # /etc/init.d/mysqld restart # test_mysql1=echo $? # if [ $test_mysql1 != "0" ];then # echo "$IP mysql is down" | mail -s "warn!server: $IP not't restart" 15210942688@163.com # fi #else # echo -e "33[32m ...MYSQL is running(OK) ! $(date) 33[0m" #fi # #if [ $mysql_process_number == "0" ];then # echo "$IP mysql is down" | mail -s "warn!server: $IP mysql_process is down" 15210942688@163.com # /etc/init.d/mysqld restart # test_mysql2=echo $? # if [ $test_php2 != "0" ];then # echo "$IP mysql is down" | mail -s "warn!server: $IP not't restart" 15210942688@163.com # fi #else # echo -e "33[32m ...MYSQL is running(OK) ! $(date) 33[0m" #fi #echo "_____________________________________________________________________________________________"