As you can probably tell by the title, I'm a complete novice in Linux environments.

Trying to work out how to install apps using sudo apt-get install. I have been able to install some, but recently it started to fail.

For example I'd like to install elementary-tweaks, but the error message is the same, for all E: Unable to locate package elementary-tweaks

I THINK I understand that if I add a PPA I should access the packages associated with that PPA.

Therefore I have tried removing previous PPAs (as seen on some answers on this site), and add this: https://code.launchpad.net/~versable/+archive/ubuntu/elementary-update followed by a sudo apt-get update.

I have also tried sudo apt-get -f install, PPA purge, etc...

Still, the error message remains.

Error message:

Reading package lists... Done
Building dependency tree        
Reading state information... Done
E: Unable to locate package elementary-tweaks

Could anyone please point it out for me, what am I missing in this? Also that what is a possible resolution to similar cases?


  • It'd be useful if you provided the exact error message text, what command you're running, etc. The devil is likely in the details. Does the package show in a apt-cache search? – ernie Oct 10 '14 at 22:04

That's should work for any Elementary OS, the proper way to add ppa

sudo apt-add-repository ppa:versable/elementary-update
sudo apt-get update
sudo apt-get install elementary-tweaks

So .. If that not work then update the Q with the Error

  • 1
    went through your instructions -- in the end, still says "unable to locate package elementary-tweaks" – alernerdev Oct 9 '18 at 19:04
  • that will work only for 0.3 Freya which are based on ubuntu 14.04. elementary-tweaks not updated to work with 0.4 Loki launchpad.net/elementary-tweaks/+packages – Ahed Eid Oct 10 '18 at 9:47

make sure you're in the home directory. just close out the terminal and open a new terminal window.

via https://launchpad.net/elementary-tweaks:

sudo add-apt-repository ppa:mpstark/elementary-tweaks-daily && sudo apt-get update && sudo apt-get install elementary-tweaks

  • are these instructions no longer valid? I am getting a lot of "Failed to fetch" messages, and there is no tweak package in the end. – alernerdev Oct 9 '18 at 19:02

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