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