Shulou(Shulou.com)06/01 Report--

Backup database script

[root@*** script] # cat store_backup.sh

#! / bin/sh

MYUSER=root

MYPASS=qwe123

SOCKET=/data/3306/mysql.sock

MYLOGIN= "mysql-u$MYUSER-p$MYPASS-S $SOCKET"

MYDUMP= "mysqldump-u$MYUSER-p$MYPASS-S$SOCKET-B"

DATABASE= "$($MYLOGIN-e" show databases; "| egrep-vi" Data | _ schema | mysql ")"

For dbname in $DATABASE

Do

MYDIR=/server/backup/$dbname

[!-d $MYDIR] & & mkdir-p $MYDIR

$MYDUMP $dbname | gzip > $MYDIR/$ {dbname} _ $(date +% F) .sql.gz

Done

[root@*** script] # sh store_backup.sh

[root@*** script] # tree / server/backup/

/ server/backup/

├── test

│ └── test_2017-06-21.sql.gz

└── wordpress

└── wordpress_2017-06-21.sql.gz

2 directories, 2 files

Mysql sub-library sub-table backup script

[root@*** script] # cat mysql_table.sh

#! / bin/sh

USER=root

PASSWD=qwe123

SOCKET=/data/3306/mysql.sock

MYLOGIN= "mysql-u$USER-p$PASSWD-S$SOCKET"

MYDUMP= "mysqldump-u$USER-p$PASSWD-S$SOCKET"

DATEBASE= "$($MYLOGIN-e" show databases; "| egrep-vi" Data | _ schema | mysql ")"

For dbname in $DATEBASE

Do

TABLE= "$($MYLOGIN-e" use $dbname;show tables; "| sed '1d')"

For tname in $TABLE

Do

MYDIR=/server/backup/$dbname/$ {dbname} _ $(date +% F)

[!-d $MYDIR] & & mkdir-p $MYDIR

$MYDUMP $dbname $tname | gzip > $MYDIR/$ {dbname} _ ${tname} _ $(date +% F) .sql.gz

Done

Done

Tips:

MySQL 5.6warning message command line interface can be insecure repair

Enter the password on the command line and you will be prompted with these security warnings.

Warning: Using a password on the command line interface can be insecure.

Note: either mysql-u root-pPASSWORD or mysqldump-u root-pPASSWORD will output such a warning.

1. For mysql

Change mysql-uroot-pPASSWORD to mysql-uroot-p by entering the password.

2. Mysqldump is more troublesome, which is usually written in scripts scripts.

Solution:

How to avoid the appearance of mysqldump (Warning: Using a password on the command line interface can be insecure.) Where's the warning message?

Vim / data/3306/my.cnf

[mysqldump]

User=your_backup_user_name

Password=your_backup_password

After you modify the configuration file, you only need to execute the mysqldump script. User name and password information is not required in the backup script.

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