Friday, May 8, 2015

Netstat and ifconfig

I just learned a new way to get network interface information, while I am not a permitted SUDO user.


rajesh@linuxbox:~/code$ sudo ifconfig eth1
eth1      Link encap:Ethernet  HWaddr e0:69:95:88:cb:81
          inet addr:192.168.1.95  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::e269:95ff:fe88:cb81/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:24502 errors:0 dropped:0 overruns:0 frame:0
          TX packets:26449 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:27824021 (26.5 MiB)  TX bytes:20140980 (19.2 MiB)
          Interrupt:20 Memory:fe400000-fe420000

rajesh@linuxbox:~/code$ netstat -ie
Kernel Interface table
eth1      Link encap:Ethernet  HWaddr e0:69:95:88:cb:81
          inet addr:192.168.1.95  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::e269:95ff:fe88:cb81/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:24509 errors:0 dropped:0 overruns:0 frame:0
          TX packets:26455 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:27824607 (26.5 MiB)  TX bytes:20141704 (19.2 MiB)
          Interrupt:20 Memory:fe400000-fe420000

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:200 errors:0 dropped:0 overruns:0 frame:0
          TX packets:200 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:12624 (12.3 KiB)  TX bytes:12624 (12.3 KiB)

rajesh@linuxbox:~/code$

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