“nm-connection-editor"是NetworkManager的一个图形界面工具，它允许用户配置和管理网络连接

基于配置修改网络

在命令行下/etc/sysconfig/network-scripts/ifcfg-eth0

1.命令行下修正网路
[root@dzswj-test ~]#cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0     //物理设备名字
TYPE=Ethernet
UUID=c38c0e38-5da7-4f78-a3f7-f59b42ebfa29
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=none  //static | dhcp
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no     //不开启ipv6地址
NAME="System eth0"   
IPADDR=10.10.14.201
PREFIX=24
NETMASK=255.255.255.0
GATEWAY=10.10.14.1
DNS1=202.96.134.133
HWADDR=50:7B:9D:9E:6F:33  //网卡硬件地址mac
LAST_CONNECT=1460363175

图形化调整网络

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1.安装图形化网络管理设备
[root@25 ~]# yum install -y  NetworkManager*
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
Setting up Install Process
Package NetworkManager-openswan-0.8.0-8.el6.x86_64 already installed and latest version
Package 1:NetworkManager-0.8.1-66.el6.x86_64 already installed and latest version
Package 1:NetworkManager-gnome-0.8.1-66.el6.x86_64 already installed and latest version
Package 1:NetworkManager-glib-0.8.1-66.el6.x86_64 already installed and latest version
Nothing to do

2.调出图形化网络管理
nm-connection-editor

3.重启网路服务
service network restart && ip a && ifconfig