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Hans van Leeuween
Asked: 2020-05-29 00:22:20 +0800 CST

How to install a last but one version of a package?

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I use Ubuntu 18.04.4 If I want to install a specific version of a Ubuntu package, I try the next command: For example:

sudo apt-get install thunderbird=1:68.7.0+build1-0ubuntu0.18.04.1
E: Version '1:68.7.0+build1-0ubuntu0.18.04.1' for 'thunderbird' was not found

Where is apt-get looking for the package 'thunderbird' with version 18.04.1?

Must I download this package before the apt-get install command? If yes, in in which directory should the package be placed? If no, how can I install the last but one version?

package-management apt

1 Answers

  1. The specific version of a package is provided by repository. The official repository indexes are located at https://packages.ubuntu.com . Also this list may be obtained by using apt-cache policy thunderbird on the local machine.

    The current status of repositories for Thunderbird is available by using search on the same site.
    For 18.04 LTS you now get:

    bionic (18.04LTS) (mail): Email, RSS and newsgroup client with integrated spam filter
    1:68.8.0+build2-0ubuntu0.18.04.2 [security]: amd64 i386
    1:52.7.0+build1-0ubuntu1 [ports]: arm64 armhf ppc64el
    bionic-updates (mail): Email, RSS and newsgroup client with integrated spam filter
    1:68.8.0+build2-0ubuntu0.18.04.2: amd64 arm64 armhf i386 ppc64el s390x

    As you can see there is no 68.7 here. Also there is no such package version on the mirror.

    If you really know what and why you are trying to achieve - download package manually and install it from LaunchPad.

    Also please note that downloading old package version may have security issues.

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