编辑Crontab
crontab -e
按i进行编辑
*/1 * * * * /root/monitor.sh # 每分钟运行一遍monitor.sh脚本 0 5 * * * /sbin/reboot # 每天凌晨5点自动重启服务器 */1 * * * * /root/monitor.sh # 每分钟运行一遍monitor.sh脚本 0 5 * * * /sbin/reboot # 每天凌晨5点自动重启服务器
重启服务
systemctl restart crond
monitor.sh
#!/bin/sh echo "==================start monitor===============" #define commonprocessnum commonprocessnum=1 #define sleeptime,4 miniutes sleeptime=30 #iternal internal=5 #3 define pypath pypath='/data/centos_env/run_exe' #monitor the othe process whether has run #while (( 1 < 11 )) #do # 3 check the ptps and if no running then start the prcess gfid=`ps -ef | grep -i feature-extract |grep -v 'grep'| wc -l` if [ ${gfid} -ge ${commonprocessnum} ]; then sleep 1 else cd $pypath ./feature-extract & sleep ${internal} echo "=========3 start the feature-extract process " fi #sleppzzz sleep ${sleeptime} #done