CIA Triad Confidentiality: Keeping data secret or private. Integrity: Ensuring the legitimacy of data so it can be trusted. Availability: Ensuring networks, systems, and applications are up and running.

1971 - The Creeper Virus: created by Bob Thomas, is often considered the first computer virus. It was designed as an experimental self-replicating program that infected ARPANET systems, displaying the message “I’m the creeper: catch me if you can.

Managing logs on a Linux system is crucial for maintaining system health, diagnosing issues, and ensuring security. common methods and tools are:

Clomparison Feature /var/log systemd Journal Compatibility Good for legacy systems Better for modern, systemd-based systems Access Simple text files, easy access Requires journalctl but offers powerful features Log Management Managed by logrotate Automatic management with systemd Security Plain text, easier to tamper with More secure, tamper-resistant Filtering and Searching Basic text processing tools Advanced filtering with journalctl Centralization Logs scattered across multiple files Centralized logging Metadata Limited metadata Rich metadata Disk Usage Manual configuration and management Automatic disk usage management Persistence Requires manual setup with logrotate Configurable persistent storage Practical Recommendations Hybrid Approach: Use both /var/log and the systemd journal to take advantage of the strengths of each.

Overview These drivers facilitate Ethernet connectivity, managing the transmission and reception of data packets over network connections.Some commonly used network drivers in Linux operating systems, categorized by the type of Ethernet interfaces they manage:

Overview SSH (Secure Shell) is a protocol used to securely connect to remote systems over an unsecured network, It was designed to replace earlier insecure protocols such as Telnet, rlogin, and FTP by providing a secure channel over an unsecured network by using a client-server architecture, encryption, and authentication mechanisms.

What is Cloudflare Pages? Cloudflare Pages is a JAMstack platform for deploying static websites. As part of Cloudflare’s suite of web performance and security services, Cloudflare Pages leverages the global Cloudflare network to deliver high-speed, secure, and scalable web experiences.

What is GitHub Actions? GitHub Actions is a CI/CD (Continuous Integration and Continuous Deployment) platform that allows developers to automate their build, test, and deployment pipelines directly from their GitHub repositories.

What is tmux? tmux, short for terminal multiplexer, is a powerful command-line utility that allows users to manage multiple terminal sessions from a single window.