Hi there people how are you ? My name is Mark and im new to the forums,i am also new at linux in general and servers also. i have been trying to follow The Perfect Server - Ubuntu 12.10 (Apache2, BIND, Dovecot, ISPConfig 3) And would aprciate some help if possible It is most proberly somthing simple but i have trie dal sorts to try and sort it. i am doing the following vi /etc/network/interfaces i delete everythign that is there. then replace it with # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address 192.168.0.100 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 dns-nameservers 8.8.8.8 8.8.4.4 I am with bt buissness and have 5 static ips and have a bt home hub 3 im a bit confused as to what i put in the information below iface eth0 inet static address 217.44.79.241 <<i put my static ip here ? netmask 255.255.255.0 network 192.168.0.0 <<no idea what i put here broadcast 192.168.0.255 <<no idea what i put here gateway 192.168.0.1 <<no idea what i put here dns-nameservers 62.6.40.162 194.74.65.69 << All help would be greatfull