[root@sQa /root]# dhcpcd
[root@sQa /root]# ifconfig


lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:3924  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:0 

[root@sQa /root]# ifconfig eth0
eth0: error fetching interface information: Device not found