When you first see a file in Linux, the three-letter string that starts with -rw-r--r-- can look like an alien language.It tells the system who can read, write, or execute that file. Don’t worry – it’s just a set of rules.In this post we’ll break those rules down into bite-sized pieces and give you a handy cheat…
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The OWASP Juice Shop is a widely used platform in cyber security education and penetration testing, simulating a vulnerable web application where users can practice identifying and mitigating security flaws in a controlled environment. One core challenge in Juice Shop is finding hidden functionality, such as the admin dashboard, which often includes sensitive operations and…
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Managing Podman containers with OpenTofu is a powerful way to automate your containerization workflow. OpenTofu, a fork of Terraform, allows you to manage infrastructure as code, making it easier to create, destroy, and manage your containers effectively.
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Setting up a PHP-based chat application like Le Chat on a Linux virtual machine (VM) with MySQL and Apache, specifically configured to run over the Tor network, involves several steps. Even if you don’t want to run an entire .onion empire, it is good to know the basic rules of such systems, how to set…
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In today’s IT world, automation is not just a convenience, it’s a necessity. As organizations scale, managing infrastructure, applications, and services manually becomes impossible. This is where automation and configuration management tools like Ansible come into play. Ansible, with its simple yet powerful automation capabilities, can be used to manage a wide array of IT…
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Data security is paramount in today’s digital age. Whether you’re concerned about personal privacy or safeguarding sensitive work-related information, encrypting your data is an effective way to protect it from unauthorized access. In this blog post, we’ll explore how to use LUKS (Linux Unified Key Setup) to encrypt a partition, /dev/nvme0n1p3, on a Debian Bookworm…
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Setting up an efficient mail server is crucial for individuals and organizations. Mailcow, a comprehensive mail server solution, offers a user-friendly interface and a wide range of features. In this guide, I’ll walk you through the process of installing Mailcow on Debian Bookworm and Docker, ensuring a smooth and hassle-free experience.
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In today’s dynamic business environment, effective password management is crucial to ensure the security of sensitive information. Passbolt, an open-source password manager, provides a robust solution for organizations looking to enhance their credential management practices. We’ll explore the process of importing KDBX and CSV files into Passbolt, helping the transition to a more secure and…
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NGINX, pronounced “engine-ex,” is an open-source web server software used for various purposes, including web serving, reverse proxying, caching, load balancing, and media streaming. It was initially designed to handle large numbers of concurrent connections, making it suitable for high-performance web applications.
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In an era where cyber security threats are evolving rapidly, safeguarding your Debian system against potential risks is very important. Rootkits, a type of malicious software designed to gain unauthorized access to a computer system, pose a significant threat to the integrity of your Debian Linux installation. To fortify your defenses, one effective tool to…
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In the evolving landscape of cyber security threats, safeguarding your Debian Linux server is a must. Rootkit Hunter, commonly known as RKHunter, is a powerful tool designed to detect and remove rootkits, malware, and suspicious system behavior. In this guide, we’ll walk you through the process of installing and using RKHunter on Debian Linux to…
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Passbolt is an open-source password manager designed for teams and organizations that prioritize security and privacy. It offers the following features: Passbolt is trusted by a wide range of organizations, including Fortune 500 companies, the defense industry, universities, and startups, and has received 4,000 stars on GitHub as a seal of approval for its reliable and…
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What is Apache? Apache is a free and open-source cross-platform web server software that allows users to deploy their websites on the internet. It was launched in 1995 and has been the most popular web server on the Internet since April 1996. What is a reverse proxy? A reverse proxy is a server that sits in front of web servers and forwards client requests…
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A reverse proxy is a server that sits in front of web servers and forwards client requests to those web servers. It acts as an intermediary, intercepting and inspecting incoming client requests before forwarding them to the web server. Reverse proxies can provide additional levels of abstraction, control, security, and performance optimization. They are commonly used for load balancing, web…
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Apache2 is a free and open-source web server that allows users to deploy their websites on the internet. It was first released in 1995 and is maintained by the Apache Software Foundation. Apache is fast, reliable, and secure, and it runs on a large percentage of web servers, making it one of the most popular choices…
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