首先要知道ppa源位址，比如:
ppa:gwibber-daily/ppa
然後用apt-get指令添加：
sudo add-apt-repository ppa:gwibber-daily/ppa
最後用apt-get update指令更新軟體庫即可：
sudo apt-get update
首先要知道ppa源位址，比如:
ppa:gwibber-daily/ppa
然後用apt-get指令添加：
sudo add-apt-repository ppa:gwibber-daily/ppa
最後用apt-get update指令更新軟體庫即可：
sudo apt-get update
![sudo apt-get update 出錯 Updating from such a repository can‘t be done securely, and is therefore[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)