Do you have internet on ur Linux Box?then only these all works!
for dapper,u can make a /etc/apt/sources.list using this source-o-matic website.
*www.ubuntu-nl.org/source-o-matic/
or just edit and add to /etc/apt/sources.list make a backup of earlier sources.list if u want.
*ubuntuguide.org/wiki/Dapper
*www.ubuntuforums.org/showthread.php?t=185758
Code:
[B] How to add extra repositories [/B]
[LIST]
[*]Read [URL="*ubuntuguide.org/wiki/Dapper#General_Notes"]#General Notes[/URL]
[*]You can also [URL="*ubuntuguide.org/wiki/Dapper#How_to_apt-get_the_easy_way_.28Synaptic.29"] add extra repositories using the Synaptic Package Manager[/URL]. New users may find it more user-friendly to add extra repositories through the Package Manager. If you follow the link above, you do not have follow the rest of this tip.[/LIST]sudo cp -p /etc/apt/sources.list /etc/apt/sources.list_backup
gksudo gedit /etc/apt/sources.list[LIST]
[*]Replace everything with the following lines[/LIST]To use your local mirror you can add "[I]cc.[/I]" before [I]archive.ubuntu.com[/I] (cc = your country code) e.g. [I]deb [URL="*lv.archive.ubuntu.com/ubuntu"]*lv.archive.ubuntu.com/ubuntu[/URL] dapper main restricted universe multiverse[/I] ## Add comments (##) in front of any line to remove it from being checked.
## Use the following sources.list at your own risk.
deb [URL="*archive.ubuntu.com/ubuntu"]*archive.ubuntu.com/ubuntu[/URL] dapper main restricted universe multiverse
deb-src [URL="*archive.ubuntu.com/ubuntu"]*archive.ubuntu.com/ubuntu[/URL] dapper main restricted universe multiverse
## MAJOR BUG FIX UPDATES produced after the final release
deb [URL="*archive.ubuntu.com/ubuntu"]*archive.ubuntu.com/ubuntu[/URL] dapper-updates main restricted universe multiverse
deb-src [URL="*archive.ubuntu.com/ubuntu"]*archive.ubuntu.com/ubuntu[/URL] dapper-updates main restricted universe multiverse
## UBUNTU SECURITY UPDATES
deb [URL="*security.ubuntu.com/ubuntu"]*security.ubuntu.com/ubuntu[/URL] dapper-security main restricted universe multiverse
deb-src [URL="*security.ubuntu.com/ubuntu"]*security.ubuntu.com/ubuntu[/URL] dapper-security main restricted universe multiverse
## BACKPORTS REPOSITORY (Unsupported. May contain illegal packages. Use at own risk.)
deb [URL="*archive.ubuntu.com/ubuntu"]*archive.ubuntu.com/ubuntu[/URL] dapper-backports main restricted universe multiverse
deb-src [URL="*archive.ubuntu.com/ubuntu"]*archive.ubuntu.com/ubuntu[/URL] dapper-backports main restricted universe multiverse
## PLF REPOSITORY (Unsupported. May contain illegal packages. Use at own risk.)
deb [URL="*medibuntu.sos-sts.com/repo/"]*medibuntu.sos-sts.com/repo/[/URL] dapper free non-free
deb-src [URL="*medibuntu.sos-sts.com/repo/"]*medibuntu.sos-sts.com/repo/[/URL] dapper free non-free
## CANONICAL COMMERCIAL REPOSITORY (Hosted on Canonical servers, not Ubuntu
## servers. RealPlayer10, Opera and more to come.)
deb [URL="*archive.canonical.com/ubuntu"]*archive.canonical.com/ubuntu[/URL] dapper-commercial main[LIST]
[*]Save the edited file[/LIST]wget -q [URL="*medibuntu.sos-sts.com/repo/medibuntu-key.gpg"]*medibuntu.sos-sts.com/repo/medibuntu-key.gpg[/URL] -O- | sudo apt-key add -
sudo apt-get update
now try apt-get install alien or from menu Desktop>Administration>synaptic for seeing all pkgs
