TranslateProject/sources/tech/20140530 Fix 'Cannot Add PPA' Error In Ubuntu 14.04 and Linux Mint.md
2014-05-30 16:35:27 +08:00

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Fix “Cannot Add PPA” Error In Ubuntu 14.04 & Linux Mint
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![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2014/05/PPA_Error_Ubuntu.jpeg)
A regular reader of Its FOSS, Chetan Jain contacted me today with this question: How can I fix “Cannot add PPA” error in Ubuntu 14.04. Chetan was trying to install [TLP (power management tool to reduce overheting)][1] and encountered this error:
chetan@Inspiron-3521:~$ sudo add-apt-repository ppa:linrunner/tlp
Cannot add PPA: ppa:linrunner/tlp.
Please check that the PPA name or format is correct.
If you encounter similar error while adding a PPA in Ubuntu or Mint, dont worry. Its one of the (less) common issue with PPA and can be solved easily.
### Fix Cannot add PPA error in Ubuntu and Linux Mint ###
There can be mainly two reasons behind this kind of error. Either the CA certificates on your system are broken or there is a proxy set up in your network.
Lets first try to reinstall the CA certificates:
sudo apt-get install --reinstall ca-certificates
If the above command doesnt work, perhaps there is proxy settings involved. To pass proxy settings to sudo, use it with E option in the following manner:
sudo -E add-apt-repository ppa:linrunner/tlp
This will get the PPA working. Chetans issue was solved with the second solution. I hope this quick tip help you as well to get rid of the PPA error. Any questions or suggestions are always welcomed.
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[1]:http://itsfoss.com/solve-overheating-issue-battery-life-ubuntu-1304/