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无法在 ubuntu 22.04 上安装 flatpak

tag-icon • tag-icon gnome software-installation installed-programs 22.04
无法在 ubuntu 22.04 上安装 flatpak

我全新安装了 ubuntu 22.04，什么都没变。我按照 flathub 网站上的步骤操作，但出现了这个烦人的错误，让我无法操作。有什么想法吗？谢谢。

https://launchpad.net/~flatpak/+archive/ubuntu/development provides newer prereleases of Flatpak from its development branch.
More info: https://launchpad.net/~flatpak/+archive/ubuntu/stable
Adding repository.
Press [ENTER] to continue or Ctrl-c to cancel.
Found existing deb entry in /etc/apt/sources.list.d/flatpak-ubuntu-stable-jammy.list
Adding deb entry to /etc/apt/sources.list.d/flatpak-ubuntu-stable-jammy.list
Found existing deb-src entry in /etc/apt/sources.list.d/flatpak-ubuntu-stable-jammy.list
Adding disabled deb-src entry to /etc/apt/sources.list.d/flatpak-ubuntu-stable-jammy.list
Adding key to /etc/apt/trusted.gpg.d/flatpak-ubuntu-stable.gpg with fingerprint 5C6D153A17C02C337EF6C663B8B9D41229DFA5F5
Get:1 http://archive.ubuntu.com/ubuntu jammy InRelease [270 kB]
Ign:2 https://ppa.launchpadcontent.net/flatpak/stable/ubuntu jammy InRelease                       
Ign:3 https://ppa.launchpadcontent.net/linuxuprising/shutter/ubuntu jammy InRelease                
Err:4 https://ppa.launchpadcontent.net/flatpak/stable/ubuntu jammy Release
  404  Not Found [IP: 2001:67c:1560:8008::19 443]
Err:5 https://ppa.launchpadcontent.net/linuxuprising/shutter/ubuntu jammy Release
  404  Not Found [IP: 2001:67c:1560:8008::19 443]
Reading package lists... Done
E: The repository 'https://ppa.launchpadcontent.net/flatpak/stable/ubuntu jammy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'https://ppa.launchpadcontent.net/linuxuprising/shutter/ubuntu jammy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

答案1

这当然不是一个令人讨厌的错误。这是一个重要的错误，它警告你，你正试图向 Ubuntu 22.04 添加一个存储库，但该存储库不适合该版本，因此如果系统没有警告你，可能会破坏你的系统。

如果你再次阅读 Flathub 网站上的说明，你会注意到在 Ubuntu 上安装 Flatpak 不需要添加存储库。它包含在标准的 ubuntu 软件源中，可以使用以下命令安装

sudo apt install flatpak

这已经启用了 flatpak。接下来你可以添加 flathub 存储库：

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

这简化了从终端安装该存储库的 flatpaks 的过程。

您也可以选择安装 gnome-software 和 flatpak 插件。这样您就可以从 Gnome Software 安装 flatpak，并自动更新它们。

sudo apt install gnome-software-plugin-flatpak

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