Linked Questions

140
votes
3answers
361k views

How to remove a repository? [duplicate]

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 ...
28
votes
1answer
109k views

The repository 'http://ppa.launchpad.net/armagetronad-dev/ppa/ubuntu bionic Release' does not have a Release file [duplicate]

Any time I try to install anything or run apt update, I get this error: E: The repository 'http://ppa.launchpad.net/armagetronad-dev/ppa/ubuntu bionic Release' does not have a Release file. N: ...
12
votes
1answer
55k views

How to remove an apt repository that I added myself? [duplicate]

I was following an old tutorial and did an apt-get installed a repository (I think that's what it was) I am no ubuntu guru. Turns out that repo no longer exists, and when I now do an apt-get update I ...
7
votes
2answers
1k views

How can PPAs be removed using GUI? [duplicate]

I followed this Q&A for Ubuntu Server only: How can PPAs be removed? and used one answer there: sudo add-apt-repository --remove ppa:whatever/ppa ...but it only worked for the current session and ...
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 ...
1
vote
1answer
8k views

How To Remove Noobslab/Themes? [duplicate]

I tried installing a theme using the following lines: sudo add-apt-repository ppa:noobslab/themes sudo apt-get update sudo apt-get install vimix-flat-themes Needless to say the theme did not install ...
9
votes
0answers
9k views

How to correctly remove a PPA source? [duplicate]

Possible Duplicate: How can PPAs be removed? If I've added a PPA with "sudo add-apt-repository" should I just delete a file in /etc/apt/sources.list.d, or there is a command for removal?
0
votes
2answers
3k views

How to remove a PPA from CLI? [duplicate]

So you want to try an app that is in a PPA, so you add the PPA like so: sudo add-apt-repository [some PPA] Then you decided you don't like it or it's buggy or whatnot. What is the command to remove ...
2
votes
1answer
1k views

How can I undo adding a PPA and installing packages from it? [duplicate]

I was following a guide and did this: sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-stable sudo apt-get update sudo apt-get install cinnamon nemo Now I am having a lot of trouble ...
1
vote
1answer
2k views

rollback upgrade [duplicate]

In an effort to get OpenGL working on a Dell XPS running 14.04 LTS on Intel graphics hardware, I followed some advice and did the following: add-apt-repository ppa:oibaf/graphics-drivers apt-get ...
1
vote
1answer
1k views

How to delete/remove manually apt added repositories? [duplicate]

Please help me: I added this repositories manually and i cant remove them echo 'deb http://download.opensuse.org/repositories/home:/Horst3180/Debian_8.0/ /' > /etc/apt/sources.list.d/vertex-theme....
8
votes
0answers
1k views

What is the converse of add-apt-repository? [duplicate]

Possible Duplicate: How can PPAs be removed after they have been added with the add-apt-repository command? You can a new PPA repository with add-apt-repository. How do you remove an added ...
1
vote
1answer
1k views

Server certificate verification failed [duplicate]

I'm running into a rather confusing issue with server certificate verifications. When running apt update I get the following error: W: Failed to fetch https://deb.nodesource.com/node_6.x/dists/trusty/...
0
votes
1answer
614 views

How do I revert back from sudo add-apt-repository ppa:xorg-edgers/ppa? [duplicate]

I tried to upgrade graphics by running following command: sudo add-apt-repository ppa:xorg-edgers/ppa sudo apt-get update sudo apt-get upgrade However, it caused me a serious problem loading the ...
0
votes
0answers
1k views

Cannot install any app, ppa error. (18.04) [duplicate]

I was trying to install an hvec plugin for VLC when I got this error message: Err:10 http://ppa.launchpad.net/noobslab/themes/ubuntu bionic Release 404 Not Found [IP: 91.189.95.83 80] ...

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