ubuntu12.04如何刪除ppa源
Ubuntu裏，PPA代表一種非穩定版本到發佈，喜歡嘗試鮮到人一般會加入很多PPA源。關於PPA到詳細說明，可以參考： https://help.launchpad.net/Packaging/PPA
(1) 添加一個PPA源 添加一個PPA源：
sudo add-apt-repository ppa:user/ppa-name
如添加cairo-dock到weekly update源：
sudo add-apt-repository ppa:cairo-dock-team/weekly/ubuntu
(2) 刪除一個PPA源
如果PPA源添加不合適，總會出現update失敗的情況，爲此要適當時候刪除它。
root@ma-ThinkPad-T430:/etc/apt/sources.list.d# ls
apt-build.list
shawn-p-huang-ppa-precise.list apt-build.list.save
shawn-p-huang-ppa-precise.list.save fcitx-team-nightly-precise.list
skunk-pepper-flash-precise.list fcitx-team-nightly-precise.list.save
skunk-pepper-flash-precise.list.save freyja-dev-unity-tweak-tool-daily-precise.list
sogoupinyin.list freyja-dev-unity-tweak-tool-daily-precise.list.save
sogoupinyin.list.save google-chrome.list
starws-box-deadbeef-player-precise.list google-chrome.list.save
starws-box-deadbeef-player-precise.list.save noobslab-deepin-sc-precise.list
ubuntu-desktop-ubuntu-make-precise.list noobslab-deepin-sc-precise.list.save
ubuntuhandbook1-apps-precise.list notepadqq-team-notepadqq-precise.list
ubuntuhandbook1-apps-precise.list.save notepadqq-team-notepadqq-precise.list.save
ubuntu-wine-ppa-precise.list precise-partner.list
ubuntu-wine-ppa-precise.list.save precise-partner.list.save
root@ma-ThinkPad-T430:/etc/apt/sources.list.d# rm -rf ubuntu-desktop-ubuntu-make-precise.list
