linux 获取本机 ip 地址_inet addr:192.168.1.105 bcast:192.168.1.255 mask:2-优快云博客

本文链接：https://blog.youkuaiyun.com/ferstar/article/details/51044828

本文详细介绍了如何使用Linux命令获取本地机器的IP地址，包括解析ifconfig命令的输出，忽略127.0.0.1和IPv6地址，并展示了实际应用案例。

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linux 获取本机 ip 地址

ifconfig | grep inet | grep -v '127.0.0.1' | grep -v inet6 | cut -d: -f2 | awk '{print $1}'

分解下上面的命令组合

ifconfig

eth0      Link encap:Ethernet  HWaddr f0:de:f1:d8:19:f6  
          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)
          Interrupt:20 Memory:f2500000-f2520000 

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:32486 errors:0 dropped:0 overruns:0 frame:0
          TX packets:32486 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1 
          RX bytes:22767938 (22.7 MB)  TX bytes:22767938 (22.7 MB)

wlan0     Link encap:Ethernet  HWaddr 24:77:03:28:ab:0c  
          inet addr:192.168.1.105  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::2677:3ff:fe28:ab0c/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:83327 errors:0 dropped:0 overruns:0 frame:0
          TX packets:82573 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:75036136 (75.0 MB)  TX bytes:19201767 (19.2 MB)

ifconfig | grep inet

inet addr:127.0.0.1  Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
inet addr:192.168.1.105  Bcast:192.168.1.255  Mask:255.255.255.0
inet6 addr: fe80::2677:3ff:fe28:ab0c/64 Scope:Link

ifconfig | grep inet | grep -v inet6

inet addr:127.0.0.1  Mask:255.0.0.0
inet addr:192.168.1.105  Bcast:192.168.1.255  Mask:255.255.255.0

ifconfig | grep inet | grep -v inet6 | grep -v '127.0.0.1'

inet addr:192.168.1.105  Bcast:192.168.1.255  Mask:255.255.255.0

ifconfig | grep inet | grep -v inet6 | grep -v '127.0.0.1' | cut -d: -f2

192.168.1.105  Bcast

ifconfig | grep inet | grep -v inet6 | grep -v '127.0.0.1' | cut -d: -f2 | awk '{print $1}'

192.168.1.105