Privacy Boost for Linux: A Simple Guide to Firejail + Firetools

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Firetools is an application that uses Firejail to create a sandbox environment. Specifically, Firetools refers to the graphical user interface (GUI), while Firejail operates in the background to manage the sandboxing. A sandbox is a secure environment that isolates applications from accessing other data on your computer. This differs from a virtual machine, which runs an entirely separate Operating System (OS) within your computer.

Think of it like a safe room for your apps—if something goes wrong, it stays contained within the sandbox.

Why Use FireTools/FireJail

Running applications you do not fully trust within a sandbox prevents them from accessing more of your system than you desire. For example, if you want to run Discord but limit its access to your camera, active games, or microphone, Firetools provides this control.

However, while sandboxing adds a useful layer of defense, it's not recommended for testing malware. For such tasks, using a virtual machine is safer and more appropriate.

Installation

Open the terminal on your Linux system and enter:

sudo apt install firetools

This command will install Firetools, along with necessary supporting files such as Firejail.

Firetools will automatically detect applications installed on your device. You can open Firetools and launch these applications directly within its sandbox environment.

Limitations

Sandboxed applications may not operate at full capacity. Some apps might experience minimal impact, while others may refuse to run entirely.

• Certain applications may require custom profiles to function correctly. Customizing profiles provides necessary permissions but may also reduce the sandbox's overall security.

• Firetools is not ideal for testing malware or potentially malicious software. In these cases, always opt for a virtual machine.

Conclusion

Firetools offers a user-friendly method to sandbox applications with Firejail. It's easy to set up, intuitive, and resource-friendly, making it a suitable choice for privacy-conscious users.

More Information

The image above illustrates the Firetools application window actively running Firefox. Notice that Firefox is accurately tracked within Firetools, displaying relevant details.

The Firejail configuration wizard offers advanced fine-tuning options. It allows you to select specific applications and choose between default security profiles or creating custom ones. Building custom profiles may be necessary if an app needs greater access to your system. Keep in mind, adjusting profiles to improve compatibility can introduce increased security risks.