Linux报错： Error: Connection activation failed: Device not managed by NetworkManager or unavailable
错误复现：
[root@hadoop1 Desktop]# service network restart
Shutting down interface eth0: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: Error: Connection activation failed: Device not managed by NetworkManager or unavailable
[FAILED]
问题解决
[root@hadoop1 Desktop]# chkconfig NetworkManager off
[root@hadoop1 Desktop]# chkconfig network on
[root@hadoop1 Desktop]# service NetworkManager stop
Stopping NetworkManager daemon: [ OK ]
[root@hadoop1 Desktop]# service network restart
问题解决之后情况
root@hadoop1 Desktop]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:16:76:2A
inet addr:192.168.137.101 Bcast:192.168.137.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:349261 errors:0 dropped:0 overruns:0 frame:0
TX packets:150486 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:419129836 (399.7 MiB) TX bytes:10894497 (10.3 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:59 errors:0 dropped:0 overruns:0 frame:0
TX packets:59 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4248 (4.1 KiB) TX bytes:4248 (4.1 KiB)