// 查询出来已安装的mariadb [root@localhost ~]# rpm -qa|grep mariadb // 卸载mariadb...

[root@localhost ~]# mkdir /usr/local/nginx [root@localhost ~]# cd /usr/l...

[root@localhost ~]# cd /usr/local //自己有包的话也可以自己传上去 [root@localhost local...