前言
MariaDB數(shù)據(jù)庫(kù)管理系統(tǒng)是MySQL的一個(gè)分支,主要由開源社區(qū)在維護(hù),采用GPL授權(quán)許可。開發(fā)這個(gè)分支的原因之一是:甲骨文公司收購(gòu)了MySQL后,有將MySQL閉源的潛在風(fēng)險(xiǎn),因此社區(qū)采用分支的方式來(lái)避開這個(gè)風(fēng)險(xiǎn)。[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(chǔ)引擎方面,10.0.9版起使用XtraDB(名稱代號(hào)為Aria)來(lái)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(dòng)mysql服務(wù),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(shè)置mysql root密碼
# mysql_secure_installation
總結(jié)
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