Centos7 下mysql重新启动MariaDB数据库
MariaDB数据库管理系统是MySQL的一个分支，主要由开源社区在维护，采用GPL授权许可。开发这个分支的原因之一是：甲骨文公司收购了MySQL后，有将MySQL闭源的潜在风险，因此社区采用分支的方式来避开这个风险。[3]
MariaDB的目的是完全兼容MySQL，包括API和命令行，使之能轻松成为MySQL的代替品。在存储引擎方面，10.0.9版起使用XtraDB（名称代号为Aria）来代替MySQL的InnoDB
1 2 3 4 5 6 7 8 9 10 11 12 13 | ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111)
试着去启动mysql服务，仍然不行
Failed to issue method call: Unit mysql.service failed to load: No such file or directory.
Failed to issue method call: Unit mysql.service failed to load: No such file or directory
Failed to issue method call: Access denied
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下面讲正确的步骤
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | systemctl stop mariadb.service
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)]>
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搞定!
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