Ubuntu server 新添加一个虚拟网卡，发现默认不显示 IP

root@ubuntu:/etc/udev/rules.d# ifconfig -a
ens33     Link encap:Ethernet  HWaddr 00:0c:29:de:e9:be
          inet addr:192.168.1.144  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fede:e9be/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2688 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2463 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 TXqueuelen:1000
          RX bytes:273797 (273.7 KB)  TX bytes:256048 (256.0 KB)

ens38     Link encap:Ethernet  HWaddr 00:0c:29:de:e9:c8
          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:65536  Metric:1
          RX packets:2207 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2207 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 TXqueuelen:1
          RX bytes:197918 (197.9 KB)  TX bytes:197918 (197.9 KB)

解决办法

编辑

root@ubuntu:/etc/udev/rules.d# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto ens33
iface ens33 inet dhcp
auto ens38
iface ens38 inet dhcp

重启网卡

fwj@ubuntu:~$ ifconfig
ens33     Link encap:Ethernet  HWaddr 00:0c:29:de:e9:be
          inet addr:192.168.1.144  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fede:e9be/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:74 errors:0 dropped:0 overruns:0 frame:0
          TX packets:90 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:8685 (8.6 KB)  TX bytes:10695 (10.6 KB)

ens38     Link encap:Ethernet  HWaddr 00:0c:29:de:e9:c8
          inet addr:172.10.100.131  Bcast:172.10.100.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fede:e9c8/64 Scope:Link
          inet6 addr: fd15:4ba5:5a2b:1008:20c:29ff:fede:e9c8/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1354 (1.3 KB)  TX bytes:1452 (1.4 KB)

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:222 errors:0 dropped:0 overruns:0 frame:0
          TX packets:222 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1
          RX bytes:22102 (22.1 KB)  TX bytes:22102 (22.1 KB)

文章作者：阿文

文章链接： https://www.awen.me/post/1995361525.html