Display yum install MySQL MySQL installation is complete, the service MySQL status, service MySQL start prompted failed, the database is also unable to login.
[root@ansible flask_sqlalchemy]# service mysql status
Redirecting to /bin/systemctl status 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)
# yum install mariadb-server -y
# systemctl start mariadb.service
# systemctl enable mariadb.service
Can log on to the database, but the service MySQL still prompts this error because further analysis was required.