Configure Firewall

Features of Kali Linux:

Comprehensive Toolkit: Kali Linux comes with a wide selection of pre-installed security tools that cover all aspects of penetration testing and ethical hacking, making it a one-stop shop for cybersecurity professionals. Open Source & Free: Kali Linux is an open-source distribution, so users can change, distribute, and contribute to its development under the GNU General Public License. Frequent updates: Kali Linux is regularly updated, ensuring that security experts have access to the most recent tools and technology for assessing and addressing cybersecurity vulnerabilities....

15 Things To Do After Installing Kali Linux

In this section, we will explore the important 15 Things that we should do and perform once the installation of the Kali Linux Operating System is done. So, perform each of the tasks properly with essential command execution....

1. Update and Upgrade:

Step 1: Open your terminal and run the following command to update and upgrade the Kali System. The below command ensures that the package lists are refreshed, providing the latest available versions of software packages. It is a crucial first step to keep the system up-to-date and secure....

2. Install Essential Tools:

Here, we will be installing essential tools for penetration testing on Kali Linux using the command “sudo apt install kali-linux-default.” This command installs a default set of tools curated for penetration testing purposes, providing security professionals and ethical hackers with a comprehensive toolkit to assess and secure systems effectively. It ensures that Kali Linux is equipped with the necessary tools right from the start....

3. Create a Standard User:

So, Now we will create the Standard User for our Kali Linux System, To enhance security and adhere to best practices, it is advisable to refrain from utilizing the root account for routine activities. Instead, create a standard user account with sudo privileges. This can be accomplished by executing the command. Set up a non-root user for daily tasks you can create the standard user using the following command – Replace “your_username” with your desired username. This ensures that daily tasks are performed with a non-root user, contributing to a more secure computing environment....

4. Configure Network Repositories:

After that, you can Ensure the correct network repository configuration using the following command. Once the initial setup is complete, it is imperative to validate and optimize the network repository configuration. This verification ensures your system fetches software packages from accurate and current sources. Execute the following command to safeguard this configuration. This crucial step guarantees that your system remains synchronized with the latest software releases and security patches....

5. Set Keyboard Layout:

So, to optimize that keyboard layout Configure the correct keyboard layout using the following command, it used to enhance typing efficiency and accuracy, it is crucial to configure the correct keyboard layout. Utilize the following command for this purpose. This ensures a seamless and optimized typing experience in alignment with your preferred layout....

6. Enable SSH (if needed):

So, here, install the OpenSSH server and initiate its services, facilitating a secure and encrypted communication channel for remote access to your Kali Linux system. Ensure that SSH is configured with appropriate security measures, such as key-based authentication, for enhanced security. If remote access to your Kali Linux machine is required, enabling SSH (Secure Shell) is a secure and recommended method. Execute the following commands to install and start the SSH server....

7. Configure Firewall:

Ensuring robust network security involves the establishment and configuration of a firewall. Execute the following commands to set up and configure the Uncomplicated Firewall (ufw). The Uncomplicated Firewall provides a straightforward interface for controlling both incoming and outgoing network traffic, enhancing the overall security posture of your Kali Linux system. Now you can set up and configure the firewall using ufw using the following command:...

8. Install VPN Software:

VPNs (Virtual Private Networks) are pivotal in augmenting security by encrypting internet connections. The installation of VPN software, such as OpenVPN, introduces an additional layer of protection. This becomes particularly significant when connecting to potentially insecure networks or conducting security assessments, fortifying the overall security infrastructure of your Kali Linux system. If secure connections are a priority, consider installing and configuring VPN software....

9. Install GDebi (for handling .deb files):

So, now we will Install GDebi serves as a convenient tool for streamlining the installation of software packages in the .deb format. By efficiently resolving dependencies, GDebi ensures a seamless installation process when dealing with external packages. This tool enhances the overall package management experience on your Kali Linux system. Simplify the installation of .deb packages with the following command:...

10. Install Wireshark (if not already installed):

So here we will install the Wireshark Network Analyzer tool that serves as a robust network protocol analyzer, facilitating the capture and analysis of network traffic. This tool is important for conducting comprehensive security assessments and troubleshooting network-related issues. By installing Wireshark, you gain valuable insights into network behavior, thereby bolstering the security posture of your system....

11. Optimize Power Management (for laptops):

Optimizing power management with tools like TLP involves tweaking various settings to achieve better power efficiency. This step is crucial for users relying on laptops, ensuring an extended battery life while running Kali Linux. Adjust TLP configurations as needed to strike the right balance between performance and power conservation. Enhance power efficiency and extend battery life on laptops running Kali Linux by installing tools like TLP....

12. Install a Terminal Multiplexer

A terminal multiplexer allows you to manage multiple terminal sessions within a single window. Think of it like having multiple tabs in your web browser, but for your command line. This is invaluable for multitasking and organizing your workflow....

13. Installing Git in Kali Linux

Git is a powerful distributed version control system (DVCS) widely used for tracking changes in files and directories, primarily in software development projects. It allows you to manage different versions of your code, collaborate with others, and revert to previous versions...

14. Installing Latest Version of tor in kali Linux

In Kali Linux, Tor is primarily used to browse the internet anonymously, access restricted content, enhance privacy and security, conduct research and investigations, protect whistleblowers’ identities, and bypass internet censorship. It serves as a valuable tool for maintaining privacy and anonymity while using the internet, making it essential for cybersecurity professionals and privacy-conscious individuals....

15. Installing Code Editor in Kali Linux

Installing a code editor in Kali Linux is essential for tasks like scripting, automation, software and web development, and general text editing. It provides features such as syntax highlighting, autocompletion, and code navigation, making it easier to write and edit code efficiently. Whether you’re writing scripts for penetration testing, developing applications, or editing configuration files, a code editor is a valuable tool for anyone working with code on Kali Linux. For example: Visual Code , Sublime Text and Atom....

15 Things To Do After Installing Kali Linux – FAQs

How do I update Kali Linux after installation?...

Conclusion

In conclusion, these ten essential tasks provide a solid foundation for a secure and optimized Kali Linux environment. By keeping the system updated, installing crucial tools, configuring user accounts, optimizing network repositories, and addressing keyboard layouts, security professionals can ensure a robust platform for penetration testing and ethical hacking. Additional measures, such as enabling SSH, configuring the firewall, installing VPN software, handling .deb files with GDebi, and utilizing Wireshark for network analysis, further enhance the capabilities of Kali Linux. Finally, optimizing power management with tools like TLP ensures an efficient and extended usage experience....