[root@lnmp ~]# /usr/local/mysql/bin/mysql --version
/usr/local/mysql/bin/mysql  Ver 14.14 Distrib 5.7.3-m13, for Linux (x86_64) using  EditLine wrapper
[root@lnmp ~]# /bin/cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld    #將mysql.server拷貝到啟動項
[root@lnmp ~]# /etc/init.d/mysqld start    #啟動MYSQL數據庫
Starting MySQL.... SUCCESS! 
[root@lnmp ~]# netstat -tunlp|grep 3306    #查看是否開啟了mysql數據庫端口3306
tcp        0      0 :::3306                     :::*                        LISTEN      1773/mysqld         
[root@lnmp ~]# /etc/init.d/mysqld stop    #停止mysql數據庫
Shutting down MySQL.. SUCCESS! 
[root@lnmp ~]# netstat -tunlp|grep 3306    #查看是否關閉了mysql的默認端口3306
[root@lnmp ~]#

備注：你可以將/usr/local/mysql/bin加入PATH中。這樣可以直接輸入mysql或者mysqladmin，不用輸入全路徑。