centos 设置定时任务执行指定脚本的方法

vim /etc/crontab

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

# 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

01 0 * * * root /data/backup/168/backup.sh
01 0 * * * root /data/backup/ty/backup.sh

vim /data/backup/168/backup.sh

rq=` date +%Y%m%d%H%M%S`
mysqldump etdsprodb -uroot > /data/backup/168/etdsprodb_$rq.sql
 
rq=` date +%Y%m%d%H%M%S`
mysqldump etdsreport -uroot > /data/backup/168/etdsreport_$rq.sql

rq=` date +%Y%m%d%H%M%S`
svnadmin dump /data/svnrepos/etds|gzip  > /data/backup/168/svnetds_$rq.dump.tar.gz

service cron stop/start