```bash #!/usr/bin/env bash #================================================================ # # systemos=centos7.2 # #this is supervisory control system script # Author：xw thank you!!! # Date：2018.7.16 # Description：supervisory control centos7.2 # wang.cong@aliyun.com #================================================================ date; echo "uptime:" uptime echo "Currently connected:" w echo "--------------------" echo "Last logins:" last -a |head -3 echo "--------------------" echo "Disk and memory usage:" df -h | xargs | awk '{print "Free/total disk: " $11 " / " $9}' free -m | xargs | awk '{print "Free/total memory: " $17 " / " $8 " MB"}' echo "--------------------" start_log=`head -1 /var/log/messages |cut -c 1-12` oom=`grep -ci kill /var/log/messages` echo -n "OOM errors since $start_log :" $oom echo "" echo "--------------------" echo "Utilization and most expensive processes:" top -b |head -3 echo top -b |head -10 |tail -4 echo "--------------------" echo "Open TCP ports:" nmap -p- -T4 127.0.0.1 echo "--------------------" echo "Current connections:" ss -s echo "--------------------" echo "processes:" ps auxf --width=200 echo "--------------------" echo "vmstat:" vmstat 1 5 ``` zabbix 监控 微信 邮箱报警