Linux How to do batch processing automatically keep a few days of backup

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Automatic backup under Linux is important to the security of the data, how do you keep the data in the last few days when you do automatic backup? Below to the cloth classification Life Network www.yes81.net as an example to carry out the test, the website of the Forum to upload the submission of the attachment, The main system of the cloth Living website uploads the attachment as well as the database is an important data that must be backed up.

The server uses an array of dual hard drives, so the hard disk crash data is not worried, the main concern is due to system problems or misoperation caused by data loss.

1, hard disk partition backdata is specifically used as a backup

2, MyData is the data partition, MySQL is the database file directory, BBS is the forum file directory; Yes81 is the main station yes81.net file directory

Now our goal is to complete the automatic daily backup, and only 10 days of data retention, 10 days before the data automatically deleted

For this we have written the following automatic backup batch file, and in the crontab scheduling, increased the 3-point automatic daily tasks.

-----------------Bacpupdata.bat-------------------------------------

Cd/backdata

#----Delete backup 10 days ago

date-d -15-day +%y-%m-%d > Dd.txt

Read Dateold < Dd.txt

RM dd.txt-f

RM-RF $dateold

date-d -14-day +%y-%m-%d > Dd.txt

Read Dateold < Dd.txt

RM dd.txt-f

RM-RF $dateold

date-d -13-day +%y-%m-%d > Dd.txt

Read Dateold < Dd.txt

RM dd.txt-f

RM-RF $dateold

date-d -12-day +%y-%m-%d > Dd.txt

Read Dateold < Dd.txt

RM dd.txt-f

RM-RF $dateold

date-d -11-day +%y-%m-%d > Dd.txt

Read Dateold < Dd.txt

RM dd.txt-f

RM-RF $dateold

date-d -10-day +%y-%m-%d > Dd.txt

Read Dateold < Dd.txt

RM dd.txt-f

RM-RF $dateold

#-----File backup for the new Day

date-d 0-day +%y-%m-%d > Dd.txt

Read Date1 < Dd.txt

RM dd.txt-f

mkdir $date 1

RAR a/backdata/$date 1/database$date1.rar/mydata/mysql

RAR a/backdata/$date 1/bbs$date1.rar/mydata/bbs/web-inf/lybbs/upload

RAR a/backdata/$date 1/buyi$date1.rar/mydata/yes81

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