Software & AppsOperating SystemLinux

How To Properly Uninstall Flatpak: Troubleshooting “Command Not Found” Error

Ubuntu 11

In this article, we will discuss how to properly uninstall Flatpak from your system and troubleshoot the common “command not found” error. Flatpak is a useful tool for managing and distributing sandboxed desktop applications on Linux, but there may be instances where you need to uninstall it.

Quick Answer

To properly uninstall Flatpak and troubleshoot the "command not found" error, you can start by using the apt command to remove the package. After uninstalling, check if the flatpak command is still available. If the error persists, search for and remove any lingering references to Flatpak in system files. Additionally, you may need to remove the flatpak.sh file located at /etc/profile.d/flatpak.sh. Restart your terminal or log out and log back in to ensure the changes take effect.

Uninstalling Flatpak

The first step in uninstalling Flatpak is to remove the package using the apt command. Apt is a command-line interface that handles package management in Debian and its derivatives.

sudo apt remove flatpak

In this command, sudo is used to execute the command with root privileges, apt is the package handling utility, remove is the command to remove a package, and flatpak is the name of the package we want to remove.

After running this command, you can check if the flatpak command is still available by typing flatpak into the terminal. If you see a “command not found” error, it means that flatpak has been successfully removed.

Troubleshooting “Command Not Found” Error

If you’re still encountering the “command not found” error after uninstalling flatpak, it’s possible that there are lingering references to flatpak in your system. These references could be in files such as:

  • .profile
  • .bashrc
  • .bash_profile
  • .bash_aliases
  • .zshrc

You can use a text editor or the nano command to open these files and search for any lines containing flatpak. If you find any, remove those lines and save the files.

If the error still persists, there might be additional files related to flatpak that need to be removed. You can use the fzf tool to search for and remove any remaining flatpak files.

First, install fzf if you haven’t already:

sudo apt install fzf

Then, run the following command to search for flatpak files and delete them:

sudo find / -name "*flatpak*" | fzf -m | xargs -r sudo rm -rf

In this command, find / -name "*flatpak*" searches for files with “flatpak” in their name, fzf -m allows you to select multiple files, and xargs -r sudo rm -rf removes the selected files.

Removing Flatpak.sh

If the “command not found” error continues to appear, you might need to remove the flatpak.sh file located at /etc/profile.d/flatpak.sh:

sudo rm /etc/profile.d/flatpak.sh

This command removes the flatpak.sh file, which may be causing the error.

Final Steps

Finally, restart your terminal or log out and log back in to ensure the changes take effect. The “command not found” error should no longer appear.

Remember, it’s important to exercise caution when modifying system files. Make sure you have a backup or are confident in what you’re removing. If you need more help, consider visiting the Flatpak documentation or asking for help on the Flatpak forum.

In conclusion, uninstalling Flatpak and troubleshooting the “command not found” error involves a series of steps that include removing the flatpak package, checking for lingering references in system files, and removing any remaining flatpak files. By following these steps, you should be able to successfully remove Flatpak from your system and resolve the error.

Can I uninstall Flatpak using a different package manager?

It is recommended to use the package manager specific to your Linux distribution, such as apt for Debian-based systems. Using a different package manager may not properly remove all the files associated with Flatpak.

Will uninstalling Flatpak remove all the applications installed through it?

Uninstalling Flatpak will not automatically remove the applications installed through it. You will need to manually remove each application using the flatpak uninstall command.

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