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ubuntu 16.04 安装 snapd 问题

tag-icon • tag-icon 16.04 apt software-installation dpkg snap
ubuntu 16.04 安装 snapd 问题

安装/卸载 snapd 时遇到问题。

由于某种原因，我的 Ubuntu 16.04 上的 snap 版本不正确：

snap --version
 snap    2.31.1~14.04
 snapd   unavailable
 series  -

因此我想使用以下命令手动重新安装 snad：

sudo apt-get install snapd

并得到错误：

Errors were encountered while processing:
 /var/cache/apt/archives/snapd_2.33.1~14.04_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

我决定尝试使用此命令来卸载此版本：

sudo apt purge snapd ubuntu-core-launcher squashfs-tools

给我这个结果：

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package 'ubuntu-core-launcher' is not installed, so not removed
The following packages will be REMOVED:
  snapd* squashfs-tools*
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
After this operation, 79,3 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 312065 files and directories currently installed.)
Removing snapd (2.31.1~14.04) ...
Failed to stop snapd.autoimport.service: Unit snapd.autoimport.service not loaded.
Failed to stop snapd.socket: Unit snapd.socket not loaded.
Failed to stop snapd.service: Unit snapd.service not loaded.
dpkg: error processing package snapd (--purge):
 subprocess installed pre-removal script returned error exit status 5
dpkg: squashfs-tools: dependency problems, but removing anyway as you requested:
 snapd depends on squashfs-tools; however:
  Package squashfs-tools is to be removed.

Removing squashfs-tools (1:4.3-3ubuntu2.16.04.1) ...
Processing triggers for man-db (2.7.5-1) ...
Errors were encountered while processing:
 snapd
E: Sub-process /usr/bin/dpkg returned an error code (1)

命令：

apt-get -f install

也无济于事。

~$ apt-cache policy snapd

snapd:
  Installed: 2.31.1~14.04
  Candidate: 2.33.1~14.04
  Version table:
     2.33.1~14.04 500
        500 http://archive.ubuntu.com/ubuntu trusty-proposed/universe amd64 Packages
     2.32.9 500
        500 http://ru.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
     2.32.9~14.04 500
        500 http://archive.ubuntu.com/ubuntu trusty-updates/universe amd64 Packages
 *** 2.31.1~14.04 100
        100 /var/lib/dpkg/status
     2.0.2 500
        500 http://ru.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

如果您知道发生了什么事以及如何解决这个问题，请帮助我:)

编辑：

我在源列表中拥有的可信赖的软件包：

deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse

答案1

我解决这个问题的版本：

  1. 从您的 中删除/注释所有不必要的可信来源 /etc/apt/sources.list。
  2. 运行sudo apt-get update并验证apt-cache policy snapd现在是否有Candidate: 2.32.9 您需要的。尝试sudo apt install --reinstall snapd。
  3. 可选。如果仍然有Sub-process /usr/bin/dpkg returned an error code (1)错误，请清理cd var/lib/dpkg/info并sudo rm ./snapd*重新安装 snapd sudo apt install --reinstall snapd。
  4. 验证安装的版本是否为 2.32.9 snap --version。

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