centos7 每天定時備份 mysql資料庫

#!/bin/

bash
date
=`date +%y%m%d%h%
m` #every minute
database
=springboot-admin #database
name
db_username
=root #database
username
db_password
="mysql" #database
password
backup_path
=/backup
/mysqldata #backup
path
#backup
command
/usr/bin/mysqldump -u$db_username -p$db_password -h 127.0.0.1
-r --
opt $database | gzip > $\/$_$.sql.gz
#just 
backup the latest 5
days
find $ 
-mtime +
5-name "$_*.sql.gz" -
exec -rf;

chmod +x database_backup_shell.sh

輸入如下命令：

crontab -e

在頁面中編寫如下內容：

00 1 ***

/root/database_backup_shell.sh

可實現每天凌晨一點自動執行第一步編寫的指令碼，備份mysql資料庫到/backup/mysqldata，且只保留最近5天的資料庫備份。

完整示例：

#!/bin/bash

date=`date +%y%m%d%h%m` #every minute
database_zfhyocean=zfhyocean #database name
database_hnocean=hnocean #database name
database_syocean=syocean #database name
database_whocean=whocean #database name
database_bhocean=bhocean #database name
database_ytsocean=ytsocean #database name
database_yljocean=yljocean #database name
database_dyocean=dyocean #database name
database_dlocean=dlocean #database name
db_username=root #database username
db_password="root" #database password
backup_path_zfhyocean=/var/mysqlbackup/zfhyocean #backup path
backup_path_hnocean=/var/mysqlbackup/hnocean #backup path
backup_path_syocean=/var/mysqlbackup/syocean #backup path
backup_path_whocean=/var/mysqlbackup/whocean #backup path
backup_path_bhocean=/var/mysqlbackup/bhocean #backup path
backup_path_ytsocean=/var/mysqlbackup/ytsocean #backup path
backup_path_yljocean=/var/mysqlbackup/yljocean #backup path
backup_path_dyocean=/var/mysqlbackup/dyocean #backup path
backup_path_dlocean=/var/mysqlbackup/dlocean #backup path
#backup command
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_zfhyocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_hnocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_syocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_whocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_bhocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_yljocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_ytsocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_dyocean | gzip > $\/$_$.sql.gz
/usr/bin/mysqldump -u$db_username -p$db_password -h 192.168.10.122 -r --opt $database_dlocean | gzip > $\/$_$.sql.gz
#just backup the latest 30 days(rm -f {} \改成-rf)
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;
find $ -mtime +30 -name "$_*.sql.gz" -exec -rf \;

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