Linux log files hold a wealth of information on system health, security, and performance. This guide demystifies log analysis, explaining where to find essential logs and how to use tools like ‘grep’ and ‘awk’ to pinpoint problems. Discover practical examples for spotting errors, investigating security concerns, and monitoring system behavior. Mastering log analysis transforms these data-rich files into an invaluable toolkit for any Linux administrator.
Disasters can strike even the most well-maintained Linux home lab. This article outlines key disaster recovery considerations, including identifying critical data, assessing risks, and implementing offsite backups. A tiered strategy is recommended for flexible data protection. The crucial elements of documentation, secure credential storage, and regular testing ensure you’re always prepared for a swift and successful recovery.
Docker Compose simplifies building and managing applications that rely on multiple containers. Learn how a docker-compose.yml file defines dependencies and interactions between services like databases, web servers, and message queues, enabling seamless development, testing, and deployment workflows.
Bash is a powerful command-line shell that can be used to perform a wide range of tasks, from managing files and directories to automating system administration. By learning a few simple tips and tricks, you can significantly boost your productivity and efficiency when using Bash.
Want to know how to set the timezone in Ubuntu? well timedatectl is a powerful command-line tool that can be used to view and change the system’s time and date settings. This article provides step-by-step instructions on how to use timedatectl to set the timezone, and it also covers some of the common problems that users may encounter.
WireGuard VPN is a newer protocol that offers faster speeds, better security, simpler configuration, and improved battery life compared to OpenVPN. It uses modern cryptographic techniques, which makes it more secure and efficient. However, it may not be as widely supported as OpenVPN by VPN providers and clients. This post shows you how to host your own in docker in under 10 minutes!
