?新安裝的centos6.5無法解析地址，也無法ping通網址，會出現unkown host 增加網關route add default GW xxxx 后重啟網卡發現 ：

[root@kvm network-scripts]# service network restart
Shutting down interface eth0:? Device state: 3 (disconnected)
[? OK? ]
Shutting down loopback interface:? [? OK? ]
Bringing up loopback interface:? [? OK? ]
Bringing up interface eth0:? Active connection state: activated
Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/6
[? OK? ]

??

解決方案如下：

停用NetworkManager后再重新啟動服務即可解決問題（restart network service）

[root@kvm network-scripts]# service NetworkManager stop
Stopping NetworkManager daemon: [? OK? ]
[root@kvm network-scripts]# chkconfig NetworkManager off
[root@kvm network-scripts]# chkconfig network on
[root@kvm network-scripts]# service network restart
Shutting down interface eth0:? [? OK? ]
Shutting down loopback interface:? [? OK? ]
Bringing up loopback interface:? [? OK? ]
Bringing up interface eth0:? Determining if ip address 192.168.xxx.xxx is already in use for device eth0...
[? OK? ]

轉載于:https://blog.51cto.com/vicent/1439949

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