Revision of Installing, Updating and Removing Software from Tue, 01/16/2024 - 14:51

This page covers how to install and remove software in Trisquel GNU/Linux.

Contents

• Installing and Removing Applications
• Installing and Removing Packages (Graphical)
• Installing and Removing Packages (Terminal)

Installing and Removing Applications

Using Add/Remove Applications

With Add/Remove Applications you can browse all available and installed applications. Here you can select applications for removing or installing.

Example

In this example we are going to install "2048", a puzzle game and then run it. Later we will remove the application "Planner", a program, that was previously installed on this system.

• Launch Add/Remove Applications from the Main Menu.

• Select applications you wish to install.

• Deselect applications you wish to remove.

• When you are finished, select Apply Changes.

• Review the list of applications that will be installed and removed. If you are satisfied, select Apply and enter your password.

The marked changes are now being applied.

• Double click a newly installed application to launch it.

The newly installed applications will appear in the main menu.

Installing and Removing Packages (Graphical)

Using Synaptic Package Manager

In this example (a follow-up to the previous one) we are going to install the package "printer-driver-all" and remove the package "gnome-2048", the puzzle game we installed before.

Other software, such as drivers, libraries, and desktop environments, can be installed or removed with Synaptic Package Manager.

Example

• Launch Synaptic Package Manager from the main menu, and enter your password. Here you may browse all installed and available packages. In the Main Menu go to System→Administration→Synaptic Package Manager

• Select Search to search for applications.

• Enter a search term and select Search.

• Right click and select Mark for installation on packages you wish to install.

• The installation or removal of some packages may affect other packages. In this case, select Mark to confirm.

• Right click and select Mark for removal on packages you wish to remove.

• When you are finished, select Apply.

• Review the list of packages that will be installed and removed. If you are satisfied, select Apply.

• Wait until the changes are applied.

• After the changes are applied, select Close

• When you are finished installing and removing packages, close Synaptic.

Installing and Removing Packages (Terminal)

Using apt

Software may also be installed and removed from a terminal. If you want to do this, you can use the apt.

Example

In the following example we are going to update and upgrade and then install Nethack, a famous Dungeons & Dragons-style adventure game.

• Launch a terminal with Ctrl+Alt+T.

• To synchronize the package index with your sources, use the following command:

sudo apt update

• To upgrade your installed software to the newest versions available, run:

 sudo apt upgrade

• To search for a certain package, use the following command. Replace search-term with your search term.

 apt-cache search search-term

• Install a package with the following command. Replace "package-name" with the name of the package you would like to install.

sudo apt install package-name

Now, that we installed the game, we can run it from within the Terminal with the following command :

 nethack  

• Remove a package with the following command. Replace "package-name" with the name of the package you would like to remove.

sudo apt remove package-name

• Remove all unnecessary packages from previous installed ones with the following command:

sudo apt autoremove

More information can be found in the manual of apt with this command:

man apt

Further Reading

For general topics about packages see: Documentation about packages

Attachment	Size
select-applications.png	83.35 KB
deselect-applications.png	81.09 KB
add-remove-applications-apply-changes.png	81.85 KB
add-remove-applications-apply.png	66.08 KB
add-remove-applications-progress.png	71.94 KB
double-click-to-launch.png	78.43 KB
synaptic1.png	66.47 KB
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sudo-apt-update.png	68.65 KB
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sudo-apt-cache-search.png	84.23 KB
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sudo-apt-run-after-install.png	110.6 KB
sudo-apt-remove.png	57.03 KB
sudo-apt-autoremove.png	106.78 KB
sudo-apt-after-autoremove.png	103.97 KB