127.0.0.1 localhost
# <hostname> = echo $(hostname)
127.0.1.1 <hostname>
# The following lines are desirable for IPv6 capable hosts
# <hostname> = echo $(hostname)
::1       <hostname> ip6-localhost ip6-loopback
fe00::0   ip6-localnet
ff00::0   ip6-mcastprefix
ff02::1   ip6-allnodes
ff02::2   ip6-allrouters