- @Ubuntu:~$ ifconfig
- lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
- .NET 127.0.0.1 netmask 255.0.0.0
- inet6 ::1 prefixlen 128 scopeid 0x10<host>
- loop txqueuelen 1000 (Local Loopback)
- RX packets 591 bytes 37975 (37.9 KB)
- RX errors 0 dropped 0 overruns 0 frame 0
- TX packets 591 bytes 37975 (37.9 KB)
- TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
- lxcbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
- .NET 10.0.3.1 netmask 255.255.255.0 broadcast 0.0.0.0
- ether 00:16:3e:00:00:00 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
其实不是接口不存在, 只是接口没有 UP
- [email protected]:~$ ifconfig -a
- ens33: flags=4098<BROADCAST,MULTICAST> mtu 1500
- ether 00:0c:29:60:ac:56 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
- lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
- .NET 127.0.0.1 netmask 255.0.0.0
- inet6 ::1 prefixlen 128 scopeid 0x10<host>
- loop txqueuelen 1000 (Local Loopback)
- RX packets 2253 bytes 141605 (141.6 KB)
- RX errors 0 dropped 0 overruns 0 frame 0
- TX packets 2253 bytes 141605 (141.6 KB)
- TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
- lxcbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
- .NET 10.0.3.1 netmask 255.255.255.0 broadcast 0.0.0.0
- ether 00:16:3e:00:00:00 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
解决办法:
- sudo dhclient
- @Ubuntu:~$ ifconfig
- ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
- .NET 192.168.242.131 netmask 255.255.255.0 broadcast 192.168.242.255
- inet6 fe80::20c:29ff:fe60:ac56 prefixlen 64 scopeid 0x20<link>
- ether 00:0c:29:60:ac:56 txqueuelen 1000 (Ethernet)
- RX packets 6341 bytes 8528561 (8.5 MB)
- RX errors 0 dropped 0 overruns 0 frame 0
- TX packets 2153 bytes 164046 (164.0 KB)
- TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
- lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
- .NET 127.0.0.1 netmask 255.0.0.0
- inet6 ::1 prefixlen 128 scopeid 0x10<host>
- loop txqueuelen 1000 (Local Loopback)
- RX packets 2729 bytes 172609 (172.6 KB)
- RX errors 0 dropped 0 overruns 0 frame 0
- TX packets 2729 bytes 172609 (172.6 KB)
- TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
- lxcbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
- .NET 10.0.3.1 netmask 255.255.255.0 broadcast 0.0.0.0
- ether 00:16:3e:00:00:00 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
来源: http://www.bubuko.com/infodetail-3086054.html