前言

MariaDB數據庫管理系統是MySQL的一個分支，主要由開源社區在維護，采用GPL授權許可。開發這個分支的原因之一是：甲骨文公司收購了MySQL后，有將MySQL閉源的潛在風險，因此社區采用分支的方式來避開這個風險。[3]

MariaDB的目的是完全兼容MySQL，包括API和命令行，使之能輕松成為MySQL的代替品。在存儲引擎方面，10.0.9版起使用XtraDB（名稱代號為Aria）來代替MySQL的InnoDB

# yum install mysql -y
# mysql
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111)
試著去啟動mysql服務，仍然不行
 
# systemctl start mysql
Failed to issue method call: Unit mysql.service failed to load: No such file or directory.
 
# systemctl start mysql.service
Failed to issue method call: Unit mysql.service failed to load: No such file or directory
 
# systemctl enable mysql.service
Failed to issue method call: Access denied

下面講正確的步驟

# yum install mariadb-server -y
systemctl stop mariadb.service
 
# systemctl start mariadb.service
# systemctl enable mariadb.service
# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 10
Server version: 5.5.44-MariaDB MariaDB Server
 
Copyright (c) 2000, 2015, Oracle, MariaDB Corporation Ab and others.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
MariaDB [(none)]>

搞定!

如何設置mysql root密碼

# mysql_secure_installation

總結

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