yum install MysqL 显示 MysqL 安装完成，但service MysqL status,service MysqL start 均提示失败，数据库也无法登陆。 [root@ansible flask_sqlalchemy]# service MysqL status Redirecting to /bin/systemctl status MysqL.service ● MysqL.service Loaded: not-found (Reason: No such file or directory) Active: inactive (dead) [root@ansible flask_sqlalchemy]# service MysqL start Redirecting to /bin/systemctl start MysqL.service Failed to start MysqL.service: Unit MysqL.service Failed to load: No such file or directory. [root@ansible flask_sqlalchemy]# MysqL -u root ERROR 2002 (HY000): Can't connect to local MysqL server through socket '/var/lib/MysqL/MysqL.sock' (2) 解决方法：
yum install mariadb-server -y
systemctl start mariadb.service
systemctl enable mariadb.service
MysqL 参考：http://www.centoscn.com/CentosBug/softbug/2016/0115/6660.html 数据库可以登陆，但是service MysqL 仍然提示上述错误，原因还需进一步分析。
原文地址：https://www.jb51.cc/centos/375186.html
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