Ubuntu what is installed

This package management utility has the collective features of the most regularly used commands from apt-cache and apt-get. It can also list the installed packages while the apt-get command lacks this basic option. Using the apt utility, if you want to list installed packages on your system, for that, write out the below-given command in your terminal:. The execution of the above-given command will list all the packages that you have installed with apt. It will also list out the dependencies present on your system.

This implies that the list will show you the installed applications; moreover, you will see the large number of libraries and packages that you did not install directly:. The less command will show you the list of installed packages one page at a time:. As can be seen in the screenshot, Aptik lets you also backup and restore PPAs , which will certainly be necessary to install some of the packages installed.

There's a great explanation on Unix StackExchange that describes how to use aptitude to list packages not installed as dependencies, and how to compare that list with the list of default packages for your Ubuntu release.

To obtain the manifest file for desktop versions of You'll find something like "ubuntu For server versions you'll need to obtain the manifest file from the ISO that was used to install the original system. For a VPS or cloud server, your provider may make the images available or you might need to contact them. Here's an example using the code from the referenced post, along with modifications to install on the new server. On the new server, copy the file using scp, then use sed to append 'install' to every line -i performs an inline-replace.

Then you can use the list as input to 'dpkg --set-selections' and install the packages with apt-get:. Before starting this task, I recommend reading and understanding all parts of the post mentioned in the beginning, and then consult the aptitude reference guide for details on search patterns and the Customizing how packages are displayed to use the -F option as you like.

I'm surprised the apt-cache command designed exactly for this purpose hasn't been mentioned above Remove the weird lines at the top of the file using a text editor. You can then use this command to install packages from the created file using:. Only use this method if you want all current packages to be installed using the list which includes automatically installed, etc.

You can accomplish this with:. We can use the command apt-mark showmanual to give a list of packages that were manually or initially installed with Ubuntu. We'll want to output that to a file we'll just call "package-list. Use this command to accomplish that:. For information on Aptik, try visiting its official page , and for a screenshot click here or view the end of this section.

If your package can't be found in apt list --installed , then try snap list :. The output of the command will be very similar to the following one, depending on which packages are currently installed:.

The output from the above command will list all packages that include apache in their names. Apt supports patterns to match package names and options to list installed --installed packages, upgradeable --upgradeable packages or all available --all-versions package versions.

Another alternative that you can use to list the installed software packages on your Ubuntu VPS is the dpkg command. The output of the command will provide you with information such as the name of the package, version, architecture and short description about the package.

Of course, you can use the grep program again to search for a specific package. With the competition of this tutorial, you have successfully learned how to list installed packages in Ubuntu. The package dctrl-tools provide the grep-status tool to get the list of the packages marked as installed on your system:. See: man dctrl-tools. Ubuntu Community Ask! Sign up to join this community.

The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. How to list all installed packages Ask Question. Asked 10 years, 11 months ago. Active 1 year, 2 months ago. This should stop people accessing your personal files if the machine is lost or stolen. The installer will now complete in the background while the installation window teaches you a little about how awesome Ubuntu is.

Depending on the speed of your machine and network connection, installation should only take a few minutes. After everything has been installed and configured, a small window will appear asking you to restart your machine. If you initiated the installation while testing the desktop, you also get the option to continue testing. Ubuntu and Canonical are registered trademarks of Canonical Ltd.

Tutorials Install Ubuntu desktop. For this reason, the most logical thing will be use grep and filter the output for a given packet. This can be done as follows:. We will be able use dpkg command to list all installed packages in Ubuntu. The previous two commands can be filter on your output with grep , as it was done with apt list to search for a specific package. You just have to add after each of these commands:.

The snap package list too indicates which apps are from a verified publisher by a green tick. These are just the most basic ways to know what software is installed in Ubuntu and that any user can use. There are other commands to get more complete results, but these I think are no longer as simple as the ones we have just seen.

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