[root@localhost Desktop]# service networkrestart
Shutting down interface eth0: Error: Device\‘eth0\‘ (/org/freedesktop/NetworkManager/Devices/0)disconnecting failed: This device is not active
[FAILED]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: Error:Connection activation failed: Device not managed by NetworkManager orunavailable
[FAILED]
[root@localhost Desktop]# chkconfig NetworkManager off
[root@localhost Desktop]# chkconfig network on
[root@localhost Desktop]# service NetworkManager stop
Stopping NetworkManager daemon: [ OK ]
[root@localhost Desktop]# service networkstart
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: [ OK ]
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
[root@localhost Desktop]# service network restart
Shutting down interface eth0: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: [ OK ]
[root@localhost Desktop]# ifconfig
eth0 Link encap:Ethernet HWaddr00:0C:29:A0:C6:44
inet addr:192.168.1.189 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
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:16436 Metric:1
RX packets:12 errors:0 dropped:0 overruns:0 frame:0
TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:720 (720.0 b) TX bytes:720 (720.0 b)
[root@localhost Desktop]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere stateRELATED,ESTABLISHED
ACCEPT icmp -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT tcp -- anywhere anywhere state NEWtcp dpt:ssh
REJECT all -- anywhere anywhere reject-withicmp-host-prohibited
Chain FORWARD (policy ACCEPT)
target prot opt source destination
REJECT all -- anywhere anywhere reject-withicmp-host-prohibited
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
[root@localhost Desktop]# iptables -F
本文出自 “90SirDB” 博客，请务必保留此出处http://90sirdb.blog.51cto.com/8713279/1794393
linux 6.x network device not active
原文：http://90sirdb.blog.51cto.com/8713279/1794393