ubu1604server:/etc$ cat /etc/hosts
127.0.0.1	localhost
127.0.1.1	ubu1604server.netzwerk1	ubu1604server

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters