linux ip相关命令

ifconfig ，查看ip信息　

root@s4n5c2:~# ifconfig
docker0   Link encap:Ethernet  HWaddr 02:42:f6:e6:7c:89  
          inet addr:172.18.0.1  Bcast:0.0.0.0  Mask:255.255.0.0
          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:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

enp1s0f1  Link encap:Ethernet  HWaddr 00:a0:a5:96:28:05  
          inet addr:10.67.117.187  Bcast:10.67.117.255  Mask:255.255.254.0
          inet6 addr: fe80::2a0:a5ff:fe96:2805/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:15350 errors:0 dropped:0 overruns:0 frame:0
          TX packets:593 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1026755 (1.0 MB)  TX bytes:87905 (87.9 KB)

ifconfig enp1s0f1 down 或者  ifdown enp1s0f1 ，禁用网卡

root@s4n5c2:~# ifconfig enp1s0f1 down

ifconfig enp1s0f1 up 或者  ifup enp1s0f1 ，启用网卡

root@s4n5c2:~# ifconfig enp1s0f1 up

dhclient  -r 释放IP

root@s4n5c2:~# dhclient  -r

Linux 网络接口配置：/etc/network/interfaces 

配置启动网口

root@s4n5c2:~# vim /etc/network/interfaces

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

auto enp1s0f1
iface enp1s0f1 inet dhcp