Installing a new server
After installing the base system
Debian Standard Packages to install afterwards
Set up Networking
files to check if you've spun up a clone
/etc/hostname
mymachinename
/etc/hosts
127.0.0.1 localhost 127.0.1.1 srvname.edgarbv.int srvname # The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ff02::1 ip6-allnodes ff02::2 ip6-allrouters
/etc/resolv.conf
nameserver 192.168.0.10 nameserver 84.116.46.21 nameserver 84.116.46.20 search edgarbv.int
NB This file can be overwritten by the resolvconf and networkmanager packages. If possible leave them alone, but pdnsd may require resolvconf
SNMP
Firewall
Use Shorewall for more complex environments, and ULF (Uncomplicated firewall) when you need a few simple rules, eg after you've just spun up or cloned a VM