PPAs are personal package archives that allows users and groups on Launchpad to make packages available to the public. PPAs can be added with a terminal command or through Software Sources.

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367
votes
15answers
507k views

How do I resolve unmet dependencies after adding a PPA?

Occasionally, when I'm installing stuff, I get an error like the following: Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the ...
154
votes
5answers
244k views

How can I fix a 404 Error when using a PPA or updating my package lists?

PPA seems to be constantly offline. Whenever I use sudo apt-get update, this error is shown: W: Failed to fetch http://ppa.launchpad.net/ 404 Not Found How do I fix these errors?
398
votes
10answers
386k views

What are PPAs and how do I use them?

I keep reading about Personal Package Archives ('PPAs') and people answer questions with a link to a PPA. What's the best way to use these? There are multiple valid answers for this question ...
205
votes
8answers
96k 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 ...
643
votes
23answers
595k views

How can PPAs be removed?

I've added many PPAs using the add-apt-repository command. Is there a simple way to remove these PPAs? I've checked in /etc/apt/sources.list for the appropriate deb lines but they aren't there. This ...
157
votes
15answers
385k views

How to install Eclipse?

I want to install the latest version of Eclipse but the Ubuntu Software Centre contains an older version. Is there a PPA or some other way to install latest Eclipse? Please describe the steps for ...
173
votes
2answers
243k views

How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?

I am trying to update to install PHP 5.5, 5.6 or 7.0 in Ubuntu 12.04/14.04/16.04 LTS, and I can only get PHP 5.3.10 for Ubuntu 12.04, PHP 5.5.9 for Ubuntu 14.04 or PHP 7.0.4 for Ubuntu 16.04 using ...
45
votes
3answers
23k views

Should I upgrade to the “mainline” kernels?

Newer "mainline" versions of the kernel are available from the Ubuntu kernel team, e.g. 3.4 and 3.5, while Ubuntu 12.04 is on 3.2. What are the mainline kernels? Are they better than my existing ...
42
votes
2answers
62k views

How to update VLC to the latest version?

As VLC 2.0 is released, how do I get it in Ubuntu (XUbuntu actually, in my case) 11.10? Any PPAs or packages to download? The official page says "Ask your favorite packager..."
14
votes
5answers
26k views

libimobiledevice 1.2 (iOS 8 Support) for Ubuntu 14.04 Trusty

Is there a PPA available for the most recent libimobiledevice 1.2 version with support for iOS 8 or can someone explain how to build it from source without messing up everything? https://launchpad....
13
votes
1answer
1k views

How to upload package with dependencies to my PPA?

I made a package for my PPA and uploaded it. It built without any problems. Then I made another package that depended on the first and uploaded it. It failed because it couldn't find the files in the ...
122
votes
5answers
171k views

How to add a PPA on a server?

The server version of Ubuntu does not have the add-apt-repository command. How can I add a Personal Package Archive (PPA) to the server without this command?
24
votes
4answers
47k views

How can I install a realtime kernel?

I have read a lot of threads with similar questions, but after reading the answers, I am very confused. I have found in them lots of url's with repositories but people discusses about which ...
3
votes
2answers
5k views

Which nvidia driver from additional drivers option should I choose?

I have NVIDIA Geforece 7025 / nForce 630a integrated gfx card on my UBUNTU 12.04.And I have 4 options in Additional drivers: NVIDIA accelerated graphics driver (version 173) NVIDIA accelerated ...
75
votes
3answers
19k views

How do I create a PPA?

How do I create my own custom PPA to share with the Ubuntu community? I am trying to create my own custom package set and I would really like to share it with the community.
31
votes
3answers
14k views

How do I cherry pick packages from a PPA? [duplicate]

Is there a way to cherry pick packages from a ppa repository you add? That is, to exclude some from updating while including others? For example, I want just the chromium-browser package from this ...
29
votes
2answers
5k views

How do I create a PPA for a working program?

Let's assume I have a working application written in C, C++ or Python. I want to create a Launchpad PPA so others can easily install it from a package. Please give step by step instructions for doing ...
27
votes
2answers
8k views

Does someone know why the Chromium daily package isn't build anymore?

It looks like chromium-browser @ https://launchpad.net/~chromium-daily/+archive/ppa haven't been build for the past 6 weeks. I tried to get in touch with them on launchpad but I've got no answers...
97
votes
6answers
123k views

How can I get a list of all repositories and PPAs from the command line into an install script?

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 ...
83
votes
6answers
54k views

Where can I find a Subversion 1.7 binary?

Does anybody know of a ppa or source I can get a subverison 1.7 deb? It was just released yesterday so I'm sure something will show up eventually. However I figure this will be a good place to post ...
28
votes
1answer
23k views

What does 'Ign' mean when running an apt-get update?

I had a bunch of errors in the output of sudo apt-get update: duplicate entries and 404 not found errors. Figured those out, I hope: I removed PPAs that didn't have any packages associated with them,...
10
votes
4answers
37k views

How do I install Myunity on 12.10?

Basically as is the title how do you install Myunity on 12.10? I've tried adding the repository ppa:myunity/ppa and performing: sudo add-apt-repository ppa:myunity/ppa sudo apt-get update sudo apt-...
83
votes
0answers
96k views

How do I remove a PPA added via command-line? [duplicate]

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 ...
6
votes
2answers
9k views

How to disable a particular PPA?

I want to lock updating from the ppa:ricotz/testing repository. I don't want to purge it. I just want to lock the updates from that repository. How do I do it?
11
votes
3answers
39k views

Cannot add PPA. Please check that the PPA name or format is correct

Internet connection is working. apt-get is working. Trying to add ppa:cooperjona/lightread but an error has raised: Cannot add PPA 'ppa:cooperjona/lightread' . Please check that the PPA name or ...
23
votes
3answers
4k views

How can I backup my PPAs?

Related to this question. But my concern is that over the past year, most of my more interesting (or used) applications are from PPAs, and just backing up my sources list won't add the associated ...
27
votes
2answers
6k views

Should I install programs from a source tarball (`.tar.gz`), from the Ubuntu Software Centre, or from elsewhere?

There are several ways to install an application in Ubuntu: You can download a source tarball (generally a .tar.gz or a .tar.bz2 file) and install it manually. (See How to install a .tar.gz (or ....
40
votes
3answers
1k views

Is there any guarantee that software from Launchpad PPAs is free from viruses and backdoor threats?

As Linux continues to grow and develop, and the more we use Linux, the greater the threat from viruses. We also know that a virus/threat in Linux (if any) would have difficulty running or spreading ...
35
votes
2answers
23k views

Difference between “ppa-purge” and “add-apt-repository -r”?

What is the main difference between ppa-purge and add-apt-repository -r. Which one better clear residual items and reason to use one over another? Does add-apt-repository -r should do what ppa-purge ...
11
votes
6answers
9k views

Wine 1.7 not installing on Xubuntu 15.10

So, after setting up my installation of Xubuntu yesterday, I tried to install Wine 1.7 using ppa:ubuntu-wine/ppa. However, after doing sudo apt-get install wine1.7, it keeps giving me this error: ...
7
votes
4answers
36k views

How do I locate and remove Broken Packages that I have installed?

I was browsing some questions here to find a solution to locating and removing broken packages. Being a relative novice I installed some PPAs designed for 11.10 on my 12.04 LTS machine. In terminal ...
15
votes
3answers
31k views

How do I add the mainline kernel PPA?

How can I add the mainline kernel ppa to the synaptic software sources? I have the url: http://kernel.ubuntu.com/~kernel-ppa/mainline/ but I am missing the ppa: line.
52
votes
1answer
125k views

How to add ppa repositories? [duplicate]

Possible Duplicate: What are PPAs and how do I use them? I always like to have my programs up to date but in ubuntu software center the software aren't always up to date. I know about ...
10
votes
3answers
15k views

Gnome 3 ppa was unstable until April 28th, so is it ok now?

Everything I read said that the GNOME 3 PPA for Natty would be very experimental, cause sudden death, etc until April 28th. Well, today is April 28th, so if I start using GNOME 3 from the PPA will it ...
9
votes
1answer
3k views

Installing nvidia-opencl-icd-367 breaks the package manager

I am using the graphics-drivers ppa. I got an update dialogue today which stated that I can update my nvidia driver to 367.18 (~gpu16.04.6). I started the update just like every time, but it failed ...
7
votes
5answers
22k views

How to install ppa packages in an apt-get style

I want to install ppa packages in a sudo apt-get install <program> style. I don't want to google for the ppa name and I don't want to execute add-apt-repository before executing apt-get. I just ...
3
votes
2answers
1k views

Reinstall commercial software (e.g. oil rush, steelstorm etc.)

After a reinstall of Ubuntu 12.04 ,it's impossible to install commercial games, e.g Oil Rush. It gives this error: Failed to fetch https://private-ppa.launchpad.net/commercial-ppa-uploaders/oilrush/...
17
votes
1answer
63k views

Cannot Add PPA Behind Proxy Ubuntu 14.04 [duplicate]

I am unable to add a repository via the command line on Ubuntu 14.04. Apt-get works perfectly fine, and I am able to update the system. I have configured my /etc/apt/apt.config file as follows: ...
30
votes
2answers
3k views

PPA & Packaging: Having versions of packages for multiple distros

(quote from chat) Got a PPA on launchpad for source packages for an IRC bot project I'm associated with (since its all the intermediate packaging for the stuff between releases, it's classified as ...
5
votes
3answers
3k views

Backup Software Sources

In Ubuntu 10.04, when I goto System > Administration > Software Sources and goto the Authentication tab, I can view all of my keys allowing me to download from third party sources. How would I back ...
13
votes
4answers
2k views

How to find out the package download count from a PPA?

I'd like to know how many downloads of a given package in a PPA there have been since it was first published. I remember there was a bug about it about getting these metrics on the web UI, but as far ...
19
votes
1answer
921 views

How to prepare auto-updating PPA?

I have some source code in an SVN repo which is updated daily. Is there a way to push this source package into a PPA that would update from the SVN trunk and build the new packages for me? Or do I ...
13
votes
1answer
3k views

Is there a tool to update my PPA sources.list entries after upgrading?

When I upgrade from one version of Ubuntu to the next, the upgrade tool rightly disables all my PPAs, so that software compiled for or otherwise tied to the old version of Ubuntu does not interfere ...
16
votes
4answers
21k views

How do I add the kernel PPA?

I can get Ubuntu mainline kernels from this kernel PPA - is there a way to add it to my repository list the same as regular Launchpad PPAs?
9
votes
0answers
10k views

How do I remove this duplicate sources.list entry? [duplicate]

Sometimes, when I run sudo apt-get update or install an app sudo apt-get install I get the error below at the bottom in the gnome-terminal and I can't remove it. I searched for it in the ...
3
votes
3answers
2k views

How do I purge Pantheon desktop?/Why does this window appear?

This browser window showing http://elementary.io/ appears after I installed then uninstalled the Pantheon environment: Originally this occurred after (and possibly before) ppa-purging the PPA only ...
34
votes
8answers
13k views

Where can I find Vim 7.3?

Vim 7.3 is out, but not available in the sources. Where can I get an installation package for the 7.3 version? I don't want to install it manually.
23
votes
3answers
21k views

Where can I find a g++ 4.7 package?

Some time ago, I managed to find PPA featuring g++-4.7 build. However, I had to reinstall everything on my machine and I lost name of that PPA. Could anyone point me to it? I tried to find it again, ...
19
votes
5answers
67k views

GLIBCXX_3.4.20 not found, how to fix this error?

Whey I try to run the program Layout Editor (available on this site) on Ubuntu 14.04.1 64-bit LTS I get the following output in the terminal: $ layout layout: /usr/lib/x86_64-linux-gnu/libstdc++.so.6:...
19
votes
5answers
3k views

What's the difference between a PPA and a repository?

I recently posted an answer where I wrote add the PPA. But I now realize, that I have no idea what the difference between a PPA and a Repository is. So can someone please explain it to me?