gistfile1.rb

~ ⌚ 19:34:44
$ ifconfig eth0
eth0      Link encap:Ethernet  HWaddr da:1f:52:45:d4:81
          inet addr:185.17.149.144  Bcast:185.17.149.191  Mask:255.255.255.192
          inet6 addr: 2001:1b40:3601:8:d81f:52ff:fe45:d481/64 Scope:Global
          inet6 addr: 2001:1b40:3601:8:512c:8ac1:80b3:a738/64 Scope:Global
          inet6 addr: fe80::d81f:52ff:fe45:d481/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:109702 errors:0 dropped:0 overruns:0 frame:0
          TX packets:75583 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:17441868 (17.4 MB)  TX bytes:14314508 (14.3 MB)


~ ⌚ 19:35:03
$ ip -6 address show eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
    inet6 2001:1b40:3601:8:512c:8ac1:80b3:a738/64 scope global temporary dynamic
       valid_lft 597790sec preferred_lft 78790sec
    inet6 2001:1b40:3601:8:d81f:52ff:fe45:d481/64 scope global dynamic
       valid_lft 2584990sec preferred_lft 597790sec
    inet6 fe80::d81f:52ff:fe45:d481/64 scope link
       valid_lft forever preferred_lft forever