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
2.修改sources.list文件(即换源)
sudo gedit /etc/apt/sources.list
将以下内容复制到文件中
deb http://old-releases.ubuntu.com/ubuntu/ jaunty main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ jaunty-security main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ jaunty-updates main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ jaunty-proposed main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ jaunty main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ jaunty-security main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ jaunty-updates main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ jaunty-proposed main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multiverse
3.尝试更新
sudo apt-get update
更换源后,下载软件包就不会有任何问题。
参考链接:http://www.cnblogs.com/findumars/p/5661925.html