Ubuntu9.04版本更新源

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Ubuntu9.04版本更新源

Ubuntu9.04版本现在属于一个很老的版本了，它现在已经不被支持了，所以在安装包时提示出错。这是因为软件源已不可用，所以要换源。

1.先备份/etc/apt/sources.list文件。

sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup

sudo gedit /etc/apt/sources.list

将以下内容复制到文件中

deb / jaunty main restricted universe multiverse
deb / jaunty-security main restricted universe multiverse
deb / jaunty-updates main restricted universe multiverse
deb / jaunty-proposed main restricted universe multiverse
deb / jaunty-backports main restricted universe multiverse
deb-src / jaunty main restricted univers