【CentOS7】服務啓動命令與【CentOS5/6】不一樣
常用的命令有：
systemctl disable networkmanager.service //disable禁止開機啓動 enable開機啓動
systemctl stop networkmanager.service //stop關閉網絡還原服務 start/restart
systemctl disable firewalld.service //禁止firewalld防火牆開機啓動
systemctl stop firewalld.service //關閉firewalld防火牆
systemctl disable iptables.service //禁止iptables防火牆開機啓動
systemctl stop iptables.service //關閉iptables防火牆
systemctl restart network //重啓網卡服務
systemctl list-unit-files //列出服務
ip addr //查看IP
PS：
centos5/6：service 服務名 start|stop|restart ifconfig //查看IP
centos7： systemctl start|stop|restart 服務名 ip addr //查看IP
啓用iptables防火牆：yum install iptables-services
systemctl enable iptables.service
systemctl restart iptables.service