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Lubuntu 13.04，内核仍为 3.8.0-32-generic

tag-icon • tag-icon installation lubuntu 13.10 reinstalling
Lubuntu 13.04，内核仍为 3.8.0-32-generic

我的问题非常类似Ubuntu 13.10，内核仍为 3.8.0-31-generic。

最近正在更新 Saucy，但以太网电缆被拔掉了。因此我决定再次运行软件更新，重新安装文件。它返回“所有内容都是最新的”。但根据这些命令行搜索，这是不正确的。我现在如何安装 Saucy安全地？

sudo apt-get install lubuntu-desktop
Reading package lists... Done
Building dependency tree       
Reading state information... Done
lubuntu-desktop is already the newest version.
The following package was automatically installed and is no longer required:
  linux-image-extra-3.8.0-19-generic
Use 'apt-get autoremove' to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

sudo apt-get update
Get:1 http://extras.ubuntu.com raring Release.gpg [72 B]                       
Hit http://extras.ubuntu.com raring Release                                    
Get:2 http://az-1.hpcloud.mirror.websitedevops.com raring Release.gpg          
Hit http://extras.ubuntu.com raring/main Sources                               
Hit http://extras.ubuntu.com raring/main i386 Packages                         
Get:3 http://az-1.hpcloud.mirror.websitedevops.com raring-updates Release.gpg  
Get:4 http://az-1.hpcloud.mirror.websitedevops.com raring-backports Release.gpg
Get:5 http://az-1.hpcloud.mirror.websitedevops.com raring-security Release.gpg 
Get:6 http://az-1.hpcloud.mirror.websitedevops.com raring Release              
Ign http://extras.ubuntu.com raring/main Translation-en_US                     
Ign http://extras.ubuntu.com raring/main Translation-en                        
Hit http://ppa.launchpad.net raring Release.gpg                                
Ign http://az-1.hpcloud.mirror.websitedevops.com raring Release                
E: GPG error: http://az-1.hpcloud.mirror.websitedevops.com raring Release: The following signatures were invalid: NODATA 1 NODATA 2

lsb_release -rd
Description:    Ubuntu 13.04
Release:    13.04

uname -r
3.8.0-32-generic

答案1

在System Preferences主菜单中，打开应用程序Software & Updates。

在 中Software & Updates，选择选项卡Updates，然后单击底部的下拉菜单When there are other updates:并选择选项Display immediately。

在此处输入图片描述

此后，运行Software Updates，然后询问您是否要安装 Saucy 的对话框应该再次出现。

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