Swap space extends the effective memory of a Linux server by using disk space as overflow RAM. This guide creates and configures a swap file on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Sufficient free disk space (at least 1–2 GB) Step […]
Security vulnerabilities are patched regularly in Ubuntu’s package repositories. unattended-upgrades automatically downloads and installs security updates — and optionally all updates — so your server stays protected without manual intervention. This guide configures it on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges […]
Knowing how your server uses CPU, memory, disk, and network is essential for capacity planning and troubleshooting. This guide covers the most useful monitoring commands and tools on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Quick Overview with top […]
Swap space extends the effective memory of a Linux server by using disk space as overflow memory. While not a substitute for RAM, it prevents out-of-memory crashes on servers that occasionally spike in memory usage. This guide creates and configures a swap file on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites […]
Nginx is a high-performance web server and reverse proxy widely used in production. This guide installs and configures Nginx on Ubuntu 24.04 LTS and enables it to serve content over HTTP. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges UFW firewall configured Step 1 – Update […]
Learn how to install Apache Maven 3.9.9 on Ubuntu with JDK 17. Configure environment variables, automate setup, and boost DevOps workflows.
Learn what SSL verification is, why it’s critical for secure connections, and how to enable or troubleshoot it in your apps, servers, and browsers.
Learn how to install Rust on Ubuntu using rustup. Set up Cargo, manage toolchains, add Clippy and rustfmt, and verify your development environment.
Learn the key differences between TLS and SSL protocols, why TLS has replaced SSL for modern web security, and how these encryption standards impact your website’s security and performance. Understand their evolution, security implications, and best practices for implementation.
Learn how a Java compiler works, explore top compiler tools, and understand Java bytecode. A complete guide for beginners and experienced developers.
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