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How to add repositories on Ubuntu 9.10

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Common applications installed using synaptic package manager already installed by referring from default repositories added on ubuntu 9.10 or any other version it’s the same way to add extra repositories for other distributions such as ubuntu 10.04 LTS beta 1

Default repositories on ubuntu monitored by ubuntu community, so in this post i will show you how to add extra repositories for ubuntu 9.10 and 10.04 LTS beta 1 as well.

1. Adding repositories

you can get access to it using:

a.  synaptic package manger

System menu  —> Administration —> Synaptic —> Settings —> Repositories

b.  System menu —> Administration —> Software Sources

Common repositories already added on software sources by ubuntu and kubuntu. some application need to add extra repositories to be able to install it in your machine, will use this as example

deb karmic main

access the software sources, will ask you for root password then go to other software and press add button and paste the apt line like this one up there

If you want to backup all repositories you already have type this command on terminal

sudo cp -i /etc/apt/sources.list /etc/apt/sources.list_backup

This will copy you repositories list to this folder “./etc/apt/ ” with name called sources.list_backup

2. adding repositories key

some application need repositories key to get rid of so warning massages during the installations

so you will find more instructions on the website for installing this package and it will mention repositories key you can add it directly from the terminal.

That’s it for now. 🙂

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