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Linux 7 启动网络Failed to start LSB: Bring up/down networking. 解决方法

2019-12-29 21:15 5887 0 原创 Linux
作者: dave

在Redhat 7.6 系统中启动网络失败:

http://www.cndba.cn/cndba/dave/article/3890
http://www.cndba.cn/cndba/dave/article/3890http://www.cndba.cn/cndba/dave/article/3890

[root@www.cndba.cn~]# systemctl start network.service
Job for network.service failed because the control process exited with error code. See "systemctl status network.service" and "journalctl -xe" for details.

[root@www.cndba.cn~]# systemctl status network.service
● network.service - LSB: Bring up/down networking
   Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)
   Active: failed (Result: exit-code) since 日 2019-12-29 21:08:02 CST; 18s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 19628 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)

12月 29 21:08:02 dw8_monitor network[19628]: RTNETLINK answers: File exists
12月 29 21:08:02 dw8_monitor network[19628]: RTNETLINK answers: File exists
12月 29 21:08:02 dw8_monitor network[19628]: RTNETLINK answers: File exists
12月 29 21:08:02 dw8_monitor network[19628]: RTNETLINK answers: File exists
12月 29 21:08:02 dw8_monitor network[19628]: RTNETLINK answers: File exists
12月 29 21:08:02 dw8_monitor network[19628]: RTNETLINK answers: File exists
12月 29 21:08:02 dw8_monitor systemd[1]: network.service: control process exited, code=exited status=1
12月 29 21:08:02 dw8_monitor systemd[1]: Failed to start LSB: Bring up/down networking.
12月 29 21:08:02 dw8_monitor systemd[1]: Unit network.service entered failed state.
12月 29 21:08:02 dw8_monitor systemd[1]: network.service failed.

提示Failed to start LSB: Bring up/down networking. 的错误。 解决方法就是禁用 NetworkManager:http://www.cndba.cn/cndba/dave/article/3890http://www.cndba.cn/cndba/dave/article/3890http://www.cndba.cn/cndba/dave/article/3890

http://www.cndba.cn/cndba/dave/article/3890
http://www.cndba.cn/cndba/dave/article/3890

[root@www.cndba.cn~]# systemctl stop NetworkManager
[root@www.cndba.cn~]# systemctl disable NetworkManager
Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.
Removed symlink /etc/systemd/system/network-online.target.wants/NetworkManager-wait-online.service.

在重启网络恢复正常:

http://www.cndba.cn/cndba/dave/article/3890
http://www.cndba.cn/cndba/dave/article/3890

[root@www.cndba.cn~]# systemctl restart network
[root@www.cndba.cn~]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.74.110  netmask 255.255.255.128  broadcast 192.168.74.127
        inet6 fe80::20c:29ff:fec0:2b02  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:c0:2b:02  txqueuelen 1000  (Ethernet)
        RX packets 11  bytes 1012 (1012.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 28  bytes 4388 (4.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ens34: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.222.110  netmask 255.255.255.128  broadcast 192.168.222.127
        inet6 fe80::20c:29ff:fec0:2b0c  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:c0:2b:0c  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 23  bytes 3511 (3.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 212  bytes 16436 (16.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 212  bytes 16436 (16.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
        ether 52:54:00:2a:24:af  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@www.cndba.cn~]#

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人的一生应该是这样度过的:当他回首往事的时候,他不会因为虚度年华而悔恨,也不会因为碌碌无为而羞耻;这样,在临死的时候,他就能够说:“我的整个生命和全部精力,都已经献给世界上最壮丽的事业....."

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