Linux scheduled backup database and delete the previous N days Linux timing of deleted data log n days before

1, the new file and give execute permissions auto_bak_data.sh

touch auto_bak_data.sh

chmod +x auto_bak_data.sh

 

2, add a backup command 

we auto_bak_data.sh 

#! / Bin / SH 
# Note that the variable value of the variable can not have spaces before =
 
RQ = `DATE the Y% +% m% d`

mysqldump -u user_ofo -p root --single-transaction ofo>/tmp/mysql_data_backup/ofo_$rq.sql;

find /tmp/mysql_data_backup/ -mtime +7 -name "*.sql" -exec rm -rf {} \;

 

 3, add regular tasks

Before reference Bowen  Linux regularly delete the log n days before  the  2.3 Scheduled Tasks