/etc/hosts
# The following lines are desirable for IPv4 capable hosts
127.0.0.1 localhost
# 127.0.1.1 is often used for the FQDN of the machine
127.0.1.1 thishost.example.org thishost
192.168.1.10 foo.example.org foo
192.168.1.13 bar.example.org bar
146.82.138.7 master.debian.org master
209.237.226.90 www.opensource.org
===== Weitere Informationen =====
man hosts