===== Configuration =====

==== Static IP address ====

/etc/network/interfaces
  # The primary network interface
  auto eth0
  iface eth0 inet static
          address 192.168.1.11
          netmask 255.255.255.0
          network 192.168.1.0
          gateway 192.168.1.1

Don't forget to disable the DHCP server in the router!

  sudo /etc/init.d/networking restart

==== Access rights ====

To remove the password for the main admin when entering superuser mode, do the following:
  visudo
  add line: <username> ALL=(ALL) NOPASSWD: ALL

==== Re-install Ubuntu ====

Before starting the new install, do the following:
  * make a copy of /etc and /home/username
  * install ubuntu
  * copy /etc/lvm from backup
  * lvm> vgcfgrestore vg
  * copy /etc/fstab from backup

If you want to start with fresh settings for your username, additionally do the following:
  * mount /home which resides on a lv to a different mount-point (e.g. /backup) and rename your previous /home/username
  * copy /home/username to /backup
  * umount /backup and mount /home, /srv, /backup (my lv created during the previous installation)

Finally, you need to change the ownership of your previous username:
  chown -R username:users /home/username 

===== For Ubuntu Hardy Heron 8.04 only ===== 
==== Remove NetworkManager ====

  apt-get remove network-manager network-manager-gnome

==== Maintain NIC names ====

Changing network cards or the motherboard requires to update the MAC adresses:
  vim /etc/udev/rules.d/70-persistent-net-rules