Run # / etc / init.d / network restart, the following error when restarting Internet:
Bringing up interface eth0: Error:Connection activation failed:Device not managed by NetworkManager
To find a solution on the csdn, as follows :( http://blog.csdn.net/swiftshow/article/details/7367733 #)
1. Remove Network Manager from startup Services.
#chkconfig NetworkManager off
2. Add Default Net Manager
#chkconfig network on
3.Stop NetworkManager first
#service NetworkManager stop
4.and then start Default Manager
#service network start
Run over command, there will be
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
...
Then the network will be able to use it.
