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How can I install software offline?

I just installed Ubuntu on my old desktop computer, and I have to say—I freaking love it! Except at the moment I do not have internet connection (i'm using a unsecured connection) and I'm using my Windows 7 Laptop to get a connection to the web.

I would love to install some useful apps on the desktop, but I can't figure out how to do this, is there any way to download Ubuntu/Linux apps on my windows computer and put them into a USB then transfer to the desktop?

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marked as duplicate by dv3500ea, Jorge Castro, Marco Ceppi Jan 31 '11 at 18:40

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2 Answers 2

Keryx is what you need.

Keryx is a free and open source tool for easily managing packages on offline Debian based computers including support for Ubuntu and Linux Mint. It provides an easy graphical interface to help install and upgrade software.

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+ 1 This sounds like it should fit the bill, but their description doesn't do a good job of explaining in what situations it would be useful. Alaukik, if you hadn't mentioned this as a solution, I still wouldn't know what keyrx is supposed to be for. –  belacqua Jan 29 '11 at 22:02

One way to do this is to download the .deb packages from a web browser. From there you can put them on your usb and move them over. Once they're on your Ubuntu box, you can install them through the Software Center (by clicking on the icons) or from the command line with dpkg -i appname.deb . An easy way to grab the .deb files is to visit http://packages.ubuntu.com/ From there you can select your version (or just go straight to one such as http://packages.ubuntu.com/maverick/ ).
It can be a little tricky to see what to click to download, but once you've found something that sounds interesting, you'll go to its page, and look for the "download whateverprogam" section. There will be a box that lists the packages -- most have a hyperlink that reads "all" . Clicking that will take you to a download page.

As pointed out, dependency management can be painful using only this solution. Keyrx does sound like a better way to go. One of their pages makes its utility more obvious to me (keyrx):


  • Runs on Windows, Linux, and Mac OSX without installation
  • Works from a flash device for simple and quick management
  • Provides a full independent package management interface (does not require an Ubuntu installation on the machine you are using it on)
  • Easily download packages and their dependencies

FullCircle Magazine also has a piece on "Offline Package Install" on page 14 of issue#32 (Aug. 2009) (the English language pdf is here but it is also available in other languages here : fullcirclemagazine.org/issue-32 ). In addition to keyrx, it also mentions AptonCD (which sounds more appropriate for backup of packages or package collections), and generating a script from Synaptic (which is a feature built in to Synaptic).

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While it works, this can get very very tedious when a package has a lot of dependencies. I have tried it, and can attest to the fact that it is a pain. –  Mussnoon Jan 29 '11 at 12:06
@mussnoon -- good point. I'll leave this answer for now, but I'm hoping the keyrx solution or another will meet our OP's needs better . –  belacqua Jan 29 '11 at 20:08

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