输入ifconfig得到

eth0      Link encap:Ethernet  HWaddr 08:01:26:2E:9A:03            inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0          inet6 addr: fe80::a00:17ff:fe1e:9a03/64 Scope:Link          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1          RX packets:100639 errors:0 dropped:0 overruns:0 frame:0          TX packets:870 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:1000           RX bytes:9019836 (8.6 MiB)  TX bytes:109015 (106.4 KiB)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:32 errors:0 dropped:0 overruns:0 frame:0          TX packets:32 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:0           RX bytes:8753 (8.5 KiB)  TX bytes:8753 (8.5 KiB)

输入 ifconfig | grep "inet addr" | grep -v 127.0.0.1 | awk '{print $2}' | awk -F: '{print $2}'

得到 192.168.1.1