3.5.1. Verifying the operation of the loopback device

To verify that the loopback device is configured correctly, log in as 'root' and enter:

# ping localhost

You should see: <hr>

# ping localhost
PING localhost.my.domain. (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.219 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=255 time=0.287 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=255 time=0.214 m
[...]