定时自动备份【补定时命令】

编辑定时执行

crontab -e

每周日晚上9点执行start.sh脚本

0 21 * * 7 /home/Network_Config_Backup/start.sh

vi /etc/crontab

SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root

# For details see man 4 crontabs

# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  * user-name  command to be executed

下载定时任务依赖

yum install crontabs

设置为可用状态并启动

systemctl enable crond
systemctl start crond

查看定时命令

crontab -l