APT Server Service

In Debian system, edit /etc/apt/sources.list and add below line for specical platform.

BCM4780 (MIPSEL)
Rev: Debian 4.0 (ETCH)

deb http://debian-bcm47xx.googlecode.com files/

ARM (Not available)
Rev: Debian 5.0 (Lenny)

PowerPC (Not available)
Rev: Debian 5.0 (Lenny)

Then you will be able to update your packages.

apt-get update
apt-gest install [package-name]

Refer Links:

MIPSEL Packages: http://code.google.com/p/debian-bcm47xx/wiki/Debian_BCM47XX_APT_Service