roberto@roberto-00000000000000000000000:~$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

roberto@roberto-00000000000000000000000:~$ lshw -C network
WARNING: you should run this program as super-user.
  *-network               
       description: Ethernet interface
       product: RTL-8100/8101L/8139 PCI Fast Ethernet Adapter
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: f
       bus info: pci@0000:00:0f.0
       logical name: eth0
       version: 10
       serial: 00:0f:ea:10:d6:94
       size: 10Mbit/s
       capacity: 100Mbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=8139too driverversion=0.9.28 duplex=half latency=64 link=no maxlatency=64 mingnt=32 multicast=yes port=MII speed=10Mbit/s
       resources: irq:16 ioport:e000(size=256) memory:eb006000-eb0060ff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
roberto@roberto-00000000000000000000000:~$