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[翻译完成]20140530 Fix 'Cannot Add PPA' Error In Ubuntu 14.04 and Linux Mint.md
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Fix “Cannot Add PPA” Error In Ubuntu 14.04 & Linux Mint
================================================================================
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2014/05/PPA_Error_Ubuntu.jpeg)
A regular reader of It’s 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, don’t worry. It’s 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.
Let’s first try to reinstall the CA certificates:
sudo apt-get install --reinstall ca-certificates
If the above command doesn’t 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. Chetan’s 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.
--------------------------------------------------------------------------------
via: http://itsfoss.com/fix-add-ppa-error-ubuntu-1404-linux-mint/
译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[1]:http://itsfoss.com/solve-overheating-issue-battery-life-ubuntu-1304/

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修复Ubuntu 14.04和Linux Mint中无法添加PPA源的错误
================================================================================
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2014/05/PPA_Error_Ubuntu.jpeg)
一名It’s FOSS的普通读者Chetan Jain今天联系了我，并询问道：我要怎样修复Ubuntu 14.04中无法添加PPA源的错误。Chetan在尝试安装[TLP (一个用于减少过热发生的电源管理工具)][1]的时候遇到了这个错误：
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.
如果你在Ubuntu或Mint上添加PPA源时遇到了类似的情况，别担心。这是PPA源的一个常见情况（一般很少发生）之一，很容易就能够得到解决。
### 修复Ubuntu 14.04和Linux Mint中无法添加PPA源的错误 ###
发生这种错误主要有两种原因。一种是您电脑中的CA证书已经损坏，或者是您的网络设置了一个代理。
首先让我们重新安装一下CA证书：
sudo apt-get install --reinstall ca-certificates
如果上面的命令不起作用，可能是网络使用了一个代理设置。要略过代理设置，使用sudo命令并加上参数E，就像下面这样：
sudo -E add-apt-repository ppa:linrunner/tlp
这样PPA源应该就能正常工作了。Chetan的情况通过第二种方法解决了。我希望这个快速指南同样能够帮助您摆脱PPA源错误。欢迎您提出任何问题或是建议来帮助我们改进。
--------------------------------------------------------------------------------
via: http://itsfoss.com/fix-add-ppa-error-ubuntu-1404-linux-mint/
译者：[alim0x](https://github.com/alim0x) 校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[1]:http://itsfoss.com/solve-overheating-issue-battery-life-ubuntu-1304/