查看是否安装mysql
[admin@bogon ~]$ whereis mysql
如果当前系统已安装mysql就会展示mysql路径
[admin@bogon ~]$ whereis mysql
mysql:
查看当前yum库里的mysql
[admin@bogon ~]$ yum list mysql*
安装
[admin@bogon ~]$ yum install mysql-server.x86_64
查看是否安装成功
[admin@bogon ~]$ whereis mysql
mysql: /usr/bin/mysql /usr/lib64/mysql /usr/share/mysql /usr/share/man/man1/mysql.1.gz
查看是否开机自启
[admin@bogon ~]$ systemctl list-unit-files | grep mysqld
mysqld.service disabled
mysqld@.service disabled
设置mysql服务为开机自启
[admin@bogon ~]$ systemctl enable mysqld.service
Created symlink /etc/systemd/system/multi-user.target.wants/mysqld.service → /usr/lib/systemd/system/mysqld.service.
查看是否开启
[admin@bogon ~]$ systemctl list-unit-files | grep mysqld
mysqld.service enabled
mysqld@.service disabled
查看服务是否开启
[admin@bogon ~]$ ps -ef | grep mysql
admin 33205 2908 0 16:26 pts/1 00:00:00 grep --color=auto mysql
开启服务
[admin@bogon ~]$ systemctl start mysqld.service #启动服务