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