0 升级,0 新安装,0 删除和 428 未升级

use*_*345 1 software-installation

当我想安装 libqtcore4 或 libqtgui4 甚至 libqt4-xml 时,我得到了这个文本

maryam@maryam-MM061:~$ sudo apt-get install libqtcore4
[sudo] password for maryam: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
libqtcore4 is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 428 not upgraded.
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我使用 ubuntu 12.10 谢谢

Alv*_*var 8

这些行实际上说libqtcore4已经安装并且是最新版本。

但它也说你有 428 个更新要安装。打开更新管理update-manager或键入sudo apt-get update && sudo apt-get dist-upgrade以升级您的系统。dist-upgrade安装新内核,因此它不会安装较新版本的 Ubuntu。