ubuntu 16.04 中的 snapd 包管理器问题，如何解决？

Question

After this operation, 33.0 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 329734 files and directories currently installed.)
Removing snapd (2.21~14.04) ...
Failed to stop snapd.autoimport.service: Unit snapd.autoimport.service not loaded.
dpkg: error processing package snapd (--remove):
 subprocess installed pre-removal script returned error exit status 5
Failed to get unit file state for snapd.refresh.timer: No such file or directory
snapd.refresh.timer is a disabled or a static unit, not starting it.
Failed to get unit file state for snapd.autoimport.service: No such file or directory
snapd.autoimport.service is a disabled or a static unit, not starting it.
Errors were encountered while processing:
 snapd
E: Sub-process /usr/bin/dpkg returned an error code (1)

Answer 1

exit 0在 shebang 之后添加到/var/lib/dpkg/info/snapd.prerm.

接下来删除一个包dpkg --purge --force-all snapd。

检查您的 pkg 来源是否可靠rgrep 'xenial' /etc/apt，并删除所有与不正确版本的 snapd 相对应的来源。

运行apt-get update，并升级系统以保持一致状态。