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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.

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.

Click

Install Updates

Type the root account password and click

NOTE: The time taken to update Ubuntu varies depending on the system

performance and network speeds.

After the updates are complete, close the update manager.

Restart the server, if prompted.

You must remove two packages from the system as they interfere with the

processes needed by CUPS.

Type the following command in a terminal window:

sudo aptitude remove apparmor apparmor-utils

Type the root account password.

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.

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