Linked Questions

232
votes
21answers
174k 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 ...
7
votes
2answers
19k views

Errors when running apt-get update?

W: Failed to fetch http://dl.google.com/linux/deb/dists/raring/Release.gpg Something wicked happened resolving 'dl.google.com:http' (-11 - System error) W: Failed to fetch ...
6
votes
1answer
4k views

Update information is outdated [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? I can't remove the red triangle in the right upper corner of my desktop. When I type sudo apt-get update && sudo apt-get ...
6
votes
0answers
331 views

How can I fix a 404 Error using the Ubuntu archives? [duplicate]

Possible Duplicate: How to install software or upgrade from old unsupported release? When running an update I get these errors: :Failed to fetch ...
4
votes
4answers
13k views

How to I install a free NX server? [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? I was trying to install it and I got something like this... W: Failed to fetch ...
4
votes
3answers
1k views

Why do I keep getting 'failed to download' error whenever I try to download anything from the terminal? [duplicate]

W: Failed to fetch http://ppa.launchpad.net/ferramroberto/java/ubuntu/dists/raring/main/binary-amd64/Packages 404 Not Found W: Failed to fetch ...
4
votes
0answers
385 views

Why I am getting “404 Not Found” errors for a ppa when updating? [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? I get these errors with Update Manager (or apt-get), but am still able to download and install updates. How do I fix it? W:Failed ...
3
votes
1answer
7k views

“The update information is outdated.” error in ubuntu 13.04 [duplicate]

I use Ubuntu 13.04 32bit in a dell studio 1537. Its been a couple of days, I see a error/warning sign (a red triangle with exclamation sign in it) on the top bar. Clicking on it the message says, "The ...
3
votes
1answer
97 views

After running update via terminal on Ubuntu 13.10 I am getting “Failed to fetch” error msgs. fixes? [duplicate]

Again, I am using Ubuntu 13.10 These are the index files that failed to download: W: Failed to fetch http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu/dists/saucy/main/binary-amd64/Packages ...
3
votes
1answer
2k views

“Software sources” crashes since I upgraded from 12.04 to 12.10 [duplicate]

Possible Duplicate: How can I fix a 404 Error using a PPA? I recently updated my PC from Ubuntu 12.04 to 12.10. Now “Software sources” crashes when I try to open it directly from Unity or ...

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