CentOS7: NetworkManager

CentOS 中有network和NetworkManager两个网络管理器，两者不可兼容

以下是对NetworkManager这个网络管理器的应用说明

1. 查看状态

systemctl status NetworkManager

2. 关闭服务

systemctl stop NetworkManager

3. 开启服务

systemctl start NetworkManager

4. 重启服务

systemctl restart NetworkManager

5. 查看是否开机启动

systemctl is-enabled NetworkManager

6. 打开开机启动

systemctl enable NetworkManager

7. 关闭开机启动

systemctl disable NetworkManager

8. 打开某一网卡服务

nmcli connection up eno1-static 打开静态IP网卡服务
nmcli connection up eno2-dhcp 打开动态IP网卡服务

9. 关闭某一网卡服务

nmcli connection up eno1-static 关闭静态IP网卡服务
nmcli connection up eno2-dhcp 关闭动态IP网卡服务