Linux get package version

Check Debian/Ubuntu Linux package version using apt-get/aptitude command

Method #1: Ubuntu Linux package version apt-cache command

The syntax is:
apt-cache policy OR
apt-cache madison For example, before I install nginx package I would like to know what version of nginx I would get on my system, run:
$ apt-cache policy nginx
OR
$ apt-cache madison nginx

Fig.01: apt-cache check package version on Debian/Ubuntu Linux

Method #2: Debian Linux package version using apt command

The syntax is
apt list apt list vim
Sample outputs:

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I have vim package # 7.4.963 version installed on my system.

Method #3: Check package version using aptitude command

The syntax is:
aptitude versions aptitude versions | more
aptitude versions | awk < print $2 >
To find htop version you are about to install on Ubuntu server, enter:
$ aptitude versions htop
Sample outputs:

Method #4: Package simulation using aptitude or apt-get command

The syntax is as follows:
aptitude -V -s install apt-get -V -s install No action taken. It perform a simulation of events that would occur based on the current system state but do not actually change the system. Of course, press n when prompted to avoid installation.

A note about finding version of installed packages

Use the following syntax:
apt-show-versions OR
dpkg -s dpkg -s | grep -i version
To see version of install package called vim, run:
$ apt-show-versions vim
vim:amd64/xenial 2:7.4.963-1ubuntu5 uptodate
vim:i386 not installed
OR
$ dpkg -s vim | grep -i version
Version: 2:7.4.963-1ubuntu5
Vim is an almost compatible version of the UNIX editor Vi.
This package contains a version of vim compiled with a rather
version of Vim. See the other vim-* packages if you need more

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📦 Как проверить версию установленного пакета в Ubuntu/Debian

Есть много людей, которые задают вопрос: «Как мне проверить версию установленного пакета в моей системе Ubuntu/Debian?»

Как узнать версии пакетов, доступные в операционной системе Ubuntu/Debian Linux ?

В Linux все приложения распространяются в виде пакетов, которые представляют собой не что иное, как файлы, связанные с системой управления пакетами.

Это руководство покажет вам несколько команд, которые можно использовать для проверки версии пакета на машине Ubuntu/Debian Linux.

Системы Linux на основе Debian поставляются с двумя основными менеджерами пакетов:

• apt – Управление пакетами из репозиториев
• dpkg – Управление пакетами, загруженными в систему. Часто в формате .deb
• aptitude можно установить и использовать аналогично apt

Чтобы проверить версию установленного пакета на вашем сервере/настольном Ubuntu, используйте любой из методов, показанных в следующих разделах.

Прежде чем начать, обновите APT-индекс вашего пакета:

Метод 1. Использование команды apt

Команда apt имеет список параметров, который можно использовать для проверки версии пакета, установленного в системе Ubuntu или Debian.

Например, чтобы проверить версию пакета curl, установленную на моем сервере Ubuntu/Debian, я бы запустил:

Чтобы увидеть все версии пакета, доступные в репозитории, передайте параметр -a.

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How to Install Specific Version of Package using apt-get

Install a specific version of a package can be useful to avoid the bugs when you know which version of a package is concerned and make sure to disable a specific package from updating by holding the packages so it won’t get automatically updated when you run ‘apt-get upgrade’.

To handle Debian-based system packages, we use the apt-get command. To run this command you require administrative rights or a user with sudo privilege.

In this tutorial, I will show you how to install a specific version of a package on Ubuntu 16.04 or 20.04 LTS.

1) Check the available versions of packages

Sometimes you can face issues or bug with a version of a package, this may cause you to choose a version which doesn’t encounter bugs. Before installing, it is possible to check the available versions of a package with the apt-cache madison command. The syntax is

You can see the output below

You can also use the syntax command below

Then, with one of the two commands, you can decide to check the available version of a package with the releases versions on the official site or on the official GitHub.

2) Install a specific version of a package

When you have listed the versions to choose the specific one, you can install it with the apt-get install command followed by the name and the version of the package. So, you need to follow the syntax as below:

The -V parameter helps to have more details about the installation

Practically, you can do as below:

a. Simulate the installation

For some reason, you could need to make sure that the installation will not encounter any problem. To do that, it is possible to simulate the installation with the -s parameter respecting the syntax

You can see that it shows the process of the installation but it is a just a simulation.

b. List the installed packages with the versions

You can need to check the version of an installed package. You can do it with the dpkg command combined with grep followed by the name of the package

If you want to filter the information, you can use the command as below

To list all the installed packages with version, you can use dpkg -l command.

Conclusion

It’s not very often you come across a scenario to install specific package, I hope this tutorial helped you. Please leave your comment and suggestions in the below comment section.

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How can I check the available version of a package in the repositories?

How can I check the version of the available package in the Ubuntu repositories without installing it?

7 Answers 7

Use the command:

This gives you information of all available package versions.

From the output, you can see that there are two versions available: 2.0.8-0ubuntu0.13.04.1 and 2.0.6-1 . It also tells you which repositories they are coming from.

Installed: tells you the version you have installed. If you don’t have the package installed, you’ll see (none) .

Candidate: is the version that will be installed if you use apt-get install vlc . If you want to install the other version, you would do apt-get install vlc=2.0.6-1 .

Go to packages.ubuntu.com, fill in the search form and get a nice view of the package including the version.

Hit search, then:

Additional benefits

• Will also list versions of packages for other versions of Ubuntu. Eg. if you want to know about the version of the package in Raring (13.04), but your system still has Precise (12.04), then this will provide a way to find it out.
• You don’t even need Ubuntu to be installed.

Biggest downside is that it won’t list the versions of other repositories you possible have installed, such as PPAs. You will then need the apt-cache policy approach as already posted.

Pro tip

Take the shortcut — just browse to http://packages.ubuntu.com/packagename and replace packagename with the name of the package you want to query.

It also gives information about all available package versions in the repositories. This command output had the syntax like this:

apt-cache’s madison command attempts to mimic the output format and a subset of the functionality of the Debian archive management tool, madison. It displays available versions of a package in a tabular format. Unlike the original madison, it can only display information for the architecture for which APT has retrieved package lists (APT::Architecture).

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List all versions of a package

Is there a equivalent of this command; yum list kernel-headers —showduplicates on Ubuntu with apt-get, apt-cache etc. The above command lists various versions of the kernel-headers rpm available on F20/RHEL or installations.

Closet I can get using apt-cache showpkg , not sure if there is a better way ?

Expecting similar output:

This would help me simply do a downgrade or upgrade to a specific version.

4 Answers 4

You have the correct command, except linux-image isn’t a real package name.

apt-cache showpkg should work for real packages, though. e.g.

If you want to see all the versions of linux-image -like packages, you can just do a search, e.g.

The problem is that the different versions of the kernel ( linux-image ) are in individual packages, and named independently according to the version. They are not all versions of the one package.

This lists all available packages. To show which is installed, you can use dpkg -l . e.g.

EDIT2

Another way to get information about different but similarly-named packages (e.g. linux-image* ) is by using aptitude search .

You can also filter with grep using this awkward syntax to get around an aptitude bug/feature.

An i in the first column tells you that it’s already installed. See man aptitude for the other characters.

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