Repository commonly refers to a location for storage, often for safety or preservation.
88
votes
18answers
40k views
How can I install software or packages without Internet (offline)?
I have a friend who has got a computer that is not connected to the Internet. Is there any way to install software offline easily?
63
votes
7answers
14k views
Are PPA's safe to add to my system and what are some “red flags” to watch out for?
I see a lot of interesting programs out there that can only be obtained by adding a "PPA" to the system but, if I'm understanding correctly, we should stay within the official "repositories" for ...
50
votes
6answers
34k views
How can I get apt to use a mirror close to me, or choose a faster mirror?
Downloading from the main Ubuntu archive is slow even when it's not release day, how can I get apt-get to automatically use a mirror that is close to me?
32
votes
7answers
2k views
Why don't the Ubuntu repositories have the latest versions of software?
Why are packages in the official Ubuntu repositories older than the latest (upstream) versions from Debian Sid, PPAs, the authors, etc.?
26
votes
5answers
20k views
How do I remove a PPA added via command-line?
I added a PPA for updating my kernel for ubuntu-12.04. Later, I found that the kernel doesnot exist on the link within PPA.
I used this command.
sudo add-apt-repository ppa:kernel-ppa/ppa
Now if I ...
24
votes
6answers
16k views
How do I fix the GPG error “NO_PUBKEY”?
I added some extra repositories with the Software Sources program. But when I reload the package database, I get an error like the following:
GPG error [...] NO_PUBKEY [...]
I know I can fix ...
22
votes
5answers
997 views
Is there an “unofficial” software center with all the PPAs?
Many questions are answered simply with add this repository and install.
I understand that Ubuntu developers cannot quickly verify all packages and make them available in official repositories. But ...
20
votes
6answers
19k views
How do you select the fastest mirror from the command line?
I want to update my sources.list file with the fastest server from the command line in a fresh Ubuntu Server install. I know this is trivially easy with the GUI, but there doesn't seem to be a simple ...
20
votes
4answers
5k views
How to set up an APT repository?
I would like to set up an APT repository on a server that will provide a couple of packages.
Is there a way to set one up without installing any software on the server?
How do the files have to be ...
18
votes
3answers
2k views
What is the “proposed” repository?
What exactly does this repository contain and why should a user either stay away from it, or add the repository?
18
votes
4answers
15k views
How to use a .iso image as a CD-ROM Repository?
I have all images of Debian, Ubuntu and Ubuntustudio as .iso. How can I use them as repository to install my desired packages with sudo apt-get install package-name?
I easily mount the .iso file with ...
17
votes
4answers
1k views
Is there a difference between installing an application via Ubuntu Software Center or a terminal?
I would like to ask a very basic question but I have never thought about it before.
Well, when someone installs an application from terminal, he has to add the repository first, right? On the other ...
16
votes
5answers
3k views
apt-get update only for a specific repository
When I add a ppa and I want to install some of its content is quite annoying to re-update all my apt list using apt-get update
Is it instead possible to only sync the content of a given repository?
16
votes
4answers
13k views
How can I get a list of all repositories and PPAs from the command line?
I know how to list all packages installed on my system.
But how could I get a list of all repositories and PPA's?
I know I can look into /etc/apt/sources.list and /etc/apt/sources.list.d, but I'm ...
16
votes
2answers
816 views
What is the structure of an Ubuntu repository?
How are the files in an Ubuntu repository organized? What are the important files in a repository? What happens when a repository becomes inconsistent, broken or is being synced?
16
votes
1answer
3k views
What's the difference between multiverse, universe, restricted and main?
I've been peeking into the ubuntu respository and I see four folders, multiverse, universe, restricted and main. What do they represent?
15
votes
4answers
4k views
How can I backup my Repositories?
I want to backup all the repositories I added to the Ubuntu Software Center, but apparently sources.list contains only the ones which belong to Canonical.
So where do I find the other ones?
14
votes
3answers
2k views
What is the size of Ubuntu repository?
I would like to know the total size of Ubuntu repository with individual repository-component (Main, Universe, Multiverse, Restricted) sizes for:
32-bit platform.
64-bit platform.
13
votes
4answers
24k views
How do I install Handbrake?
I've added the ppa here
https://edge.launchpad.net/~stebbins/+archive/handbrake-releases
When I run sudo apt-get update, the software sources aren't found. I figured maybe they hadn't updated their ...
13
votes
2answers
364 views
Why isn't Ubuntu using the latest versions of some applications?
What reasons are there for applications in Ubuntu not being the most up-to-date in its repositories?
13
votes
1answer
942 views
What is http://extras.ubuntu.com/ repository for?
What will this repository hold? What is policy for it?
12
votes
3answers
335 views
Are ubuntu packages (deb-files) only md5sum secured?
Introductory Background to the question below###
(so the question is more usable to more people)
Inside of an Ubuntu/debian-style package (*.deb file) there is a file named
/DEBIAN/md5sums which has ...
11
votes
8answers
30k views
How to fix missing GPG keys?
I have just installed Ubuntu 12.04 and I added some repo and when apt-get update i got missing gpg key.
Following command seems to doesn't work for me:
apt-get update 2> /tmp/keymissing; for key ...
11
votes
2answers
1k views
Is Apt-get Update Lag Related to Google Chrome?
I have Google Chrome installed from the Google Chrome repository. When I run sudo apt-get update, I notice that getting headers relating to Google Chrome takes more time than is needed to get all the ...
10
votes
3answers
1k views
is it possible to use Debian repositories in Ubuntu?
Since Ubuntu is a Debian derivative I thought maybe it's possible
10
votes
1answer
225 views
When will Firefox 5 be in the official repositories?
Firefox 5 has been released today, so I want to know when Firefox 5 will be in the official Natty repositories. I don't want to upgrade using a PPA.
10
votes
1answer
243 views
Where can I see if the server I update from is up to date?
After talking about this with some people I found out they had newer versions of the software I had but, at that time, I had no updates for my system. A day later those updates did show up and I was ...
9
votes
2answers
12k views
How to install specific Ubuntu packages, with exact version?
I want to setup a new virtual machine with some specified packages (name and version), that are provided.
For example apache2 in version 2.2.20-1ubuntu1 with all dependencies. Even if there is a new ...
9
votes
5answers
1k views
How can I revert back from an upgrade to the Proposed repository?
I mistakenly enabled the Pre-release updates (natty-proposed) repository and then upgraded all packages.
How can I undo this?
Here are the test results from @enzotib's instructions and the test ...
9
votes
2answers
2k views
Why are downloads from Canonical Partners repository so slow?
If I need Sun Java, Adobe Flash Plugin or anything else that comes from Canonical Partners the package downloads are painfully slow even small sized packages like the Flash plugin, to speed things up ...
9
votes
2answers
10k views
How to make USB drive as local repository
I copied "archives" folder (/var/cache/apt/archives) from another computer which was fully updated and had some packages that i want. Can someone guide me how to add my USB drive in repository list so ...
9
votes
3answers
7k views
apt-get update very slow, stuck at “Waiting for headers”
I have looked at similar questions:
Stuck at 0% [waiting for headers] (apt)
apt-get update stuck on "Waiting for Headers"
However neither one of them answer my problem.
I am running ...
8
votes
3answers
545 views
Is there a way to check if a program is available in the repository by commandline?
When i find a interesting program i want to test and install in ubuntu i first check if it's available in the repository. For that i use the software center.
But does a possibility exist to check it ...
8
votes
2answers
6k views
How to remove a repository?
Please let me know how to remove certain repositories in Ubuntu 11.04. I am getting the following errors while updating.
sudo apt-get update
Err http://ppa.launchpad.net natty/main Sources ...
8
votes
3answers
2k views
How do I find out which repository a package comes from?
Is there a method or command which can tell from which repository a package is coming from?
7
votes
3answers
1k views
Which Ubuntu repositories are totally safe and free from malware?
I read in the news about all the malware that is infecting Android OS. The malware is in Google's App Store and people are unknowingly downloading and installing it.
As I understand, Ubuntu's Main ...
7
votes
2answers
20k views
What to do when can't update anymore with apt-get?
I'm using Ubuntu 9.04 as multipurpose server, so no GUI here. I haven't used it for a while and now when trying to install or update packages with apt-get it throws errors.
An excerpt of the error ...
7
votes
2answers
381 views
How can I figure out the add-apt-repository command by looking at a launchpad project?
To install programs from launchpad, you can add a repository to the software sources list...
I know how to look at a launchpad page and add the repository & public key through the "Software ...
7
votes
3answers
1k views
Is it possible to mirror the apt repositories?
I am a student at Case Western Reserve University, and the bandwidth from the Ubuntu servers to my location is often horrendously bad (on the order of a few hundred bytes per second). Myself and a few ...
7
votes
1answer
550 views
What are the GPG signatures
Looking at questions like THIS, THIS and THIS I ask for public knowledge the following questions:
What are the GPG Signatures for?
What additional level of security do the Signatures add or provide ...
7
votes
1answer
304 views
Does Ubuntu import the Universe repository from Debian?
Does Ubuntu import the Universe repository from Debian?
7
votes
3answers
2k views
How do I get MonoDevelop 2.8 with Mono 2.10?
After some research I found out, that the repo provides the old version 2.6 of the MonoDevelop IDE, but as there is already the latest version published I want to know whether someone knows how I can ...
7
votes
1answer
536 views
What's the best way to re-enable ppa's/repos after an upgrade?
when I upgrade from 11.10 to 12.04 whats the best way to re-enable my ppa's and added repos?
7
votes
2answers
135 views
Unofficial/Local repositories and how do they differ from PPAs in Launchpad
I normally tend to use the PPAs (Personal Package Archives) found in launchpad.net, but I have noticed more and more that some repositories are being created in other places or a website that manages ...
7
votes
1answer
1k views
What does Ign mean in update manager?
When I run update from the terminal, I get the following list where many repositories are shown with "Ign". Does it mean the update manager will always ignore updates from those repositories? Apart ...
7
votes
0answers
2k views
When will Skype 4.0 enter Ubuntu's repositories? [closed]
According to this link, Skype 4.0 is released. So when will it enter Ubuntu's repo, and will pidgin-skype still be able to call back Skype for to chat?
Thanks for any further explanations!
6
votes
4answers
444 views
Is it safe to change my Lucid sources to Maverick, to get one app, then revert to Lucid?
I am considering to temporarily change my repositories to Maverick, on a Lucid system.
I want to install a newer version of Evolution because it has a particular feature I want.
I don't want to ...
6
votes
7answers
427 views
How do I create stand alone packages from ubuntu repository
Is it possible to create a stand alone deb packages by merging dependancies without manual repacking.??
I've looked at this question but it doesn't really answer what I'm trying to achieve above.
if ...
6
votes
2answers
18k views
How do I restore the default repositories?
There are now errors when updating and I cannot install most software due to a corrupted
/etc/apt/sources.list
file. Is there a copy I can download to replace it?
The file would be for Ubuntu ...
6
votes
7answers
5k views
Saving deb files from repositories to a custom location for installing offline [duplicate]
Possible Duplicate:
How can I install software offline?
I want to download and save some deb files, and preferably their dependencies, of certain apps, from the repositories (apt-get, ...

