Linux centos7 通过shell脚本添加crontab任务
#!/bin/bash
install_dir='/home/catic'
# restart定时任务
echo "start deploy crotab for restart定时任务"
# 判断文件夹是否存在
if [ ! -e /var/spool/cron/ ];then
mkdir -p /var/spool/cron/
fi
# 添加定时任务：每天凌晨1点1分停止服务与1点2分启动服务
if [ `grep -v '^\s*#' /var/spool/cron/root |grep -c '/data/socket'` -eq 0 ];then
echo "* 1 1 * * sh $install_dir/" >> /var/spool/cron/root
echo "* 2 1 * * sh $install_dir/" >> /var/spool/cron/root
fi