CommonSetup

Network

Edit /etc/network/interfaces. Here is an example of network node.

# Management network
auto eth0
iface eth0 inet static
  address 10.56.45.50
  netmask 255.255.255.0
  broadcast 10.56.45.255
  gateway 10.56.45.254

# Data network (without IP address)
auth eth1
iface eth1 inet manual
  up ifconfig $IFACE 0.0.0.0 up
  down ifconfig $IFACE down

# External network
auto eth2
iface eth2 inet static
  address 192.168.100.50
  netmask 255.255.255.0
  broadcast 192.168.100.255
  gateway 192.168.100.254

NTP

sudo aptitude install ntp

If you have your local ntp server, edit /etc/ntp.conf as follows:

server 10.56.49.117

Setup Ubuntu Cloud Archive repository

sudo aptitude install python-software-properties
# Ubuntu Cloud Archive for Havana
sudo add-apt-repository cloud-archive:havana

sudo aptitude update
sudo aptitude upgrade