我想在CentOS7上使用MySQL。使用yum安装MySQL软件包。

[root@node01 ~]# yum install mysql mysql-* 然后,

[root@node01 ~]# systemctl start mysqld.service Failed to issue method call: Unit mysqld.service failed to load: No such file or directory.

要检查所需的软件包,请键入给定的命令:

$ rpm -qa | grep mariadb 输出:

mariadb-libs-5.5.44-2.el7.centos.x86_64
mariadb-5.5.44-2.el7.centos.x86_64
mariadb-devel-5.5.44-2.el7.centos.x86_64
mariadb-server-5.5.44-2.el7.centos.x86_64

如果最后一个软件包不存在,请键入给定的命令:

$ sudo yum -y install mariadb-server

$ sudo systemctl start mariadb

$ cat /etc/redhat-release

OK