Dell Proximity Printing Solution - Manual (Page 10)

DPPS – Installation Guide 10
Updating Ubuntu
After you can properly retrieve a static IP address, perform an update to the
latest packages.
If you are installing Ubuntu using an ISO image, skip to "Downloading,
Installing, and Configuring the DPPS Server Package" on page 11.
1 Click the update icon on the upper right corner of the screen.
CAUTION: Do not update Ubuntu beyond 8.10. Upgrading to a later version causes
issues with the DPPS server.
2 Click Install Updates.
3 Type the root account password and click OK.
NOTE: The time taken to update Ubuntu varies depending on the system
performance and network speeds.
4 After the updates are complete, close the update manager.
5 Restart the server, if prompted.
You must remove two packages from the system as they interfere with the
processes needed by CUPS.
1 Type the following command in a terminal window:
sudo aptitude remove apparmor apparmor-utils
2 Type the root account password.
3 Press <Enter> when prompted.
Installing the Postfix Mail Server
If you are installing Ubuntu using an ISO image, skip to "Installing Using ISO
Image" on page 12.
Type the following command in a terminal window to set up a mail server for
E-Mail functionality:
sudo aptitude install postfix
After the mail server is installed, you are prompted for configuration. It is
recommended that you leave the default settings of Internet with Smarthost.