--去官网下载RPM安装包 https://www.percona.com/downloads/Percona-Server-5.6/LATEST/ --解压安装包 [root@localhost percona-xtrabackup-2.4.4-Linux-x86_64]# tar xvf Percona-Server-5.6.31-77.0-r5c1061c-el6-x86_64-bundle.tar --安装数据库 [root@localhost percona-xtrabackup-2.4.4-Linux-x86_64]# yum localinstall Percona-Server-server-56-5.6.31-rel77.0.el6.x86_64.rpm Percona-Server-client-56-5.6.31-rel77.0.el6.x86_64.rpm Percona-Server-shared-56-5.6.31-rel77.0.el6.x86_64.rpm --编辑配置文件 [root@localhost mysql]# vim /etc/my.cnf [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log innodb_buffer_pool_size = 128M --启动数据库 [root@localhost mysql]# mysqld_safe --defaults-file=/etc/my.cnf & [1] 3246 --修改ROOT密码 [root@localhost mysql]# mysqladmin -u root password 'root' Warning: Using a password on the command line interface can be insecure. --删除数据库中多余的root用户和匿名用户，只在本地保留一个root用户 [root@localhost mysql]# mysql -u root -p'root' mysql> select host,user from mysql.user; +-----------------------+------+ | host                  | user | +-----------------------+------+ | 127.0.0.1             | root | | ::1                   | root | | localhost             |      | | localhost             | root | | localhost.localdomain |      | | localhost.localdomain | root | +-----------------------+------+ 6 rows in set (0.00 sec) mysql> delete from mysql.user where (user,host) not in (select 'root','localhost'); Query OK, 5 rows affected (0.06 sec) mysql> commit; Query OK, 0 rows affected (0.00 sec) mysql> select host,user from mysql.user; +-----------+------+ | host      | user | +-----------+------+ | localhost | root | +-----------+------+ 1 row in set (0.00 sec) --查看数据库的运行状态 [root@localhost mysql]# /etc/init.d/mysql status  SUCCESS! MySQL (Percona Server) running (6584)

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