问题
升级后,Ubuntu桌面GUI无法正常工作,并且经常卡死。
我也尝试过 sudo apt-get install ubuntu-desktop
但是得到如下结果。
The following packages have unmet dependencies:
ubuntu-desktop : Depends: checkbox-gui but it is not going to be installed
Recommends: python3-aptdaemon.pkcompat but it is not going to be installed
Recommends: unity-webapps-common but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
我尝试安装checkbox-gui
,然后它给出另一个未满足的依赖项错误
答案1
下面的命令解决了问题, unity --replace sudo apt-get install --reinstall unity sudo dpkg --configure -a sudo apt-get update sudo apt-get upgrade -y
答案2
总是用ppa-purge
删除PPA
sudo add-apt-repository ppa:kubuntu-ppa/backports
sudo apt-get update && sudo apt-get dist-upgrade
sudo apt-get install kubuntu-desktop
一小时后,我决定切换回Unity,并删除KDE:
sudo add-apt-repository --remove ppa:kubuntu-ppa/backports
sudo apt-get update && sudo apt-get dist-upgrade
sudo apt-get remove --purge kubuntu-desktop
登录后遇到一些问题,所以,我尝试重新安装ubuntu-desktop
和unity
,但是,我得到错误:
The following packages have unmet dependencies:
ubuntu-desktop : Depends: checkbox-gui but it is not going to be installed
Recommends: python3-aptdaemon.pkcompat but it is not going to be installed
Recommends: unity-webapps-common but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
我发现了原因:删除PPA不会降级软件包,解决方案是再次添加它,并执行:
sudo apt-get install ppa-purge
sudo ppa-purge ppa:kubuntu-ppa/backports
然后我可以重新安装ubuntu-desktop
:
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