小编Abu*_*Abu的帖子

我是 Ubuntu 的新手。我不知道我的应用程序列表中的注销、重新启动和关闭图标来自哪里。我只需要从这里删除它。

我尝试了这两个命令并得到一些错误：

1. sudo add-apt-repository ppa:flexiondotorg/albert

   An amazing, desktop environment agnostic, omnilauncher.
   https://github.com/ManuelSchneid3r/albert
    More info: https://launchpad.net/~flexiondotorg/+archive/ubuntu/albert
   Press [ENTER] to continue or Ctrl-c to cancel adding it.
   
   Ign:1 http://dl.google.com/linux/chrome/deb stable InRelease                   
   Hit:2 http://dl.google.com/linux/chrome/deb stable Release                     
   Hit:4 http://mirror.dhakacom.com/ubuntu-archive bionic InRelease               
   Get:5 http://mirror.dhakacom.com/ubuntu-archive bionic-updates InRelease [88.7 kB]
   Ign:6 http://ppa.launchpad.net/flexiondotorg/albert/ubuntu bionic InRelease    
   Get:7 http://mirror.dhakacom.com/ubuntu-archive bionic-backports InRelease [74.6 kB]
   Get:8 http://mirror.dhakacom.com/ubuntu-archive bionic-security InRelease [83.2 kB]
   Hit:9 http://ppa.launchpad.net/noobslab/apps/ubuntu bionic InRelease           
   Hit:10 http://ppa.launchpad.net/notepadqq-team/notepadqq/ubuntu bionic InRelease
   Err:11 http://ppa.launchpad.net/flexiondotorg/albert/ubuntu bionic Release     
     404  Not Found [IP: 91.189.95.83 80]
   Hit:12 http://archive.canonical.com/ubuntu bionic InRelease …

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