yum安装php环境的步骤是什么

systemctl start mariadb

mysql_secure_installation

Enter current password for root (enter for none): #初次运行直接回车

Set root password? [Y/n] #是否设置root用户密码，输入y并回车或直接回车

New password: #设置root用户的密码

Re-enter new password: # 再输入一次你设置的密码

Remove anonymous users? [Y/n] # 是否删除匿名用户，回车

Disallow root login remotely? [Y/n] #是否禁止root远程登录,回车,

Remove test database and access to it? [Y/n] # 是否删除test数据库，回车

Reload privilege tables now? [Y/n] # 是否重新加载权限表，回车

grant all privileges on *.* to 'root'@'%' identified by '123456' with grant option;

flush privileges;