CentOS Restart NIC Failure reason

Ready to restart the NIC, with two commands failed to succeed

[Email protected] desktop]# ifup eth0
Active Connection state:activating
Active Connection path:/ORG/FREEDESKTOP/NETWORKMANAGER/ACTIVECONNECTION/1
^c** message:caught Signal 2, shutting down ...
[Email protected] desktop]#/etc/init.d/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:activating
Active Connection path:/ORG/FREEDESKTOP/NETWORKMANAGER/ACTIVECONNECTION/2
state:activated
notice that two times the error is the same sentence

Active Connection path:/org/freedesktop/networkmanager/activeconnection/

Baidu find solutions, get the following answers

After you modify the IP through the Network management tool, the current modification operation will not take effect. So how do you get rid of this hint?

In fact, the cause of the problem is redhat self-developed NetworkManager management tools and/ETC/SYSCONFIG/NETWORK-SCRIPTS/IFCFG-ETHX configuration is not synchronized caused. If you want to remove this hint, please close the NetworkManager service:

[Email protected] dev]# chkconfig NetworkManager off----

You just need to cancel a service.

[[Email protected] desktop]# service NetworkManager stop
Stopping NetworkManager daemon: [OK]
Let's move on to the previous steps.

[Email protected] desktop]#/etc/init.d/network restart
Shutting down interface eth0: [OK]
Shutting down loopback interface: [OK]
Bringing up loopback interface: [OK]
Bringing Up interface eth0:
Determining IP information for eth0 ... done.
[OK]

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CentOS Restart NIC Failure reason