(5)防火墙
[CentOS6] iptables
[CentOS7] firewalld
(6)默认数据库
[CentOS6] MySQL
[CentOS7] MariaDB
(8)主机名
[CentOS6] /etc/sysconfig/network
[CentOS7] /etc/hostname
(14)重启关闭
1）关闭
[CentOS6]
$ shutdown -h now
[CentOS7]
$ poweroff
$ systemctl poweroff
2）重启
[CentOS6]
$ reboot
$ shutdown -r now
[CentOS7]
$ reboot
$ systemctl reboot