Ubuntu 22.04.5 LTS End of Life (EOL) and End of Support: Timeline, Risks, and Upgrade Options

Ubuntu 22.04.5 LTS standard support ends in April 2027. Learn the EOL timeline, security risks, ESM options, and upgrade strategies to stay compliant and secure. Ubuntu 22.04.5 LTS is the latest point release in the Ubuntu 22.04 Long Term Support (LTS) series. While point releases do not change the original LTS lifecycle, they deliver updated … Read more

lsb_release -a Explained: Check Linux OS Version, Release, and Codename

The lsb_release -a command displays detailed Linux distribution information, including distributor ID, OS version, release number, and codename. It is commonly used by system administrators, DevOps engineers, and security teams to verify operating system details for compatibility, automation, and compliance purposes. In Linux system administration, accurately identifying the operating system and distribution details is a … Read more

Troubleshooting High Server Load with Multiple PHP-FPM Versions on Ubuntu

Running multiple PHP-FPM versions (e.g., PHP 8.2 and PHP 8.4) on an Ubuntu server with at least 16 CPUs and 60GB RAM should ideally provide smooth performance. However, if your server is experiencing high load, it’s crucial to identify the root cause and optimize your setup. In this guide, we’ll explore common issues that lead … Read more

What Is tmpfs in Linux? How tmpfs Works, Use Cases & Best Practices

tmpfs is a temporary in-memory file system used in Linux to store files directly in RAM instead of on disk. It is designed for fast read/write operations, making it an ideal choice for storing runtime data, temporary files, and volatile information that does not need to persist after reboot. In a Linux server environment, understanding … Read more

How to Search File by Name in a Linux Server

Learn how to search file by name in a Linux server using find, locate, and grep commands. Step-by-step examples, best practices, and tips for system administrators. When managing a Linux server, it’s common to search for files by their names whether you’re troubleshooting, locating configuration files, or tracking down logs. Fortunately, Linux offers powerful command-line … Read more

How to Convert SSH Key to PEM Format – Step-by-Step Guide for Linux

Learn how to convert SSH key to PEM format on Linux using ssh-keygen. Follow this step-by-step guide to safely convert your RSA 4096-bit private key for compatibility with legacy systems and applications. SSH keys are widely used for secure server access, and RSA 4096-bit keys provide strong encryption. In some cases, you may need to … Read more

Creating an SSH RSA 4096-bit key (Step-by-Step)

Learn how to generate a secure SSH RSA 4096-bit key with step-by-step instructions for Linux, macOS, and Windows. Protect your servers and Git repositories with best practices for SSH key management, key permissions, and deployment. Secure Shell (SSH) keys are the backbone of secure remote authentication for servers, cloud services, and version control systems. Among … Read more