The “secure world” on arm64 machines is a special level of CPU privilege that is hidden from the normal OS, and has complete control over the system. It provides both initialization during early boot stages (before u-boot or EFI) and system monitor functionality once the machine is booted up. In this tutorial, I will show you how to install arm-trusted-firmware on Ubuntu 22.04.
- OS: Ubuntu 22.04 or older versions with more than 2GB RAM
- Privileges: Check that you can run sudo commands.
Install arm-trusted-firmware Ubuntu 22.04
arm-trusted-firmware is one of the popular ways on Ubuntu now so that this tutorial will show you some ways to install it. Choose the one you believe is simple and easy to follow.
Install arm-trusted-firmware using APT
This is one of the most popular methods for installing Ubuntu packages because it’s easy to follow, even if you are a newbie in Linux. Following these steps to install arm-trusted-firmware on your Ubuntu 22.04.
Step 1: Update the APT database to download new packages from Ubuntu. Launching the terminal and entering the following Linux command:
Step 2: Start installing the packages on Ubuntu 22.04. You can now install arm-trusted-firmware Ubuntu by executing this command in the terminal.
Install arm-trusted-firmware using Aptitude
Users can manage their installation, upgrade, and removal of packages with Aptitude and view a list of the packages that are currently available. If you haven’t already installed it on Ubuntu, run this command to do so.
After installing, you can now install arm-trusted-firmware by following these steps:
Step 1: The APT package repository cache needs to be updated before you try to install, update, or remove any packages. Update the APT database to download new packages from Ubuntu. Opening the terminal and executing the following Linux command:
Step 2: Start the package installation on Ubuntu 22.04. You can now install arm-trusted-firmware Ubuntu by executing this command in the terminal.
Uninstall arm-trusted-firmware on Ubuntu 22.04
Have you ever thought that uninstalling an application from Ubuntu is difficult? You are mistaken; Anyone can easily uninstall any program, not just arm-trusted-firmware.
If you installed arm-trusted-firmware using APT or Aptitude, you could uninstall arm-trusted-firmware on Ubuntu by running this command
If you want to uninstall arm-trusted-firmware and delete its data and dependencies, you can also run the following command:
In this guide, I showed you ways to install arm-trusted-firmware on Ubuntu 22.04 and some ways to uninstall arm-trusted-firmware too. Please do not hesitate to contact me if you require any assistance. I’m delighted to respond to them.