How to run a traceroute to diagnose network issues
A traceroute traces the path data takes from your computer to a destination server across the internet. When a website loads slowly or fails to respond, the problem might not be the server itself. Network delays can occur at any point along the route between…
How to install Docker Compose on Linux
Docker Compose allows you to define and run multi-container applications using a single YAML file. Instead of managing containers individually, you describe your entire application stack in docker-compose.yml and launch everything with one command. You will…
How to install Yarn on Linux
Yarn is a JavaScript package manager for Node.js projects. It caches packages locally for faster installs, verifies packages with checksums and maintains consistent dependency trees across environments. You will install Yarn globally on your Linux system…
How to check file ownership in Linux
File ownership determines who can read, modify or execute files on your Linux server. When troubleshooting permission errors or auditing security, you need to identify which user and group own specific files. You will check file ownership using two commands:…
How to secure your VPS
Unprotected VPS servers face constant scanning from automated attacks targeting default configurations and known vulnerabilities. A compromised server exposes your data, disrupts hosted websites and email services, and can be used to launch attacks on other…
How to install the MERN stack on AlmaLinux
The MERN stack combines MongoDB, Express.js, React and Node.js into a unified JavaScript environment for building modern web applications. Running JavaScript across your entire stack simplifies development, reduces context switching and makes it easier for…
How to install a LEMP stack on AlmaLinux
A LEMP stack combines Linux, NGINX, MariaDB and PHP to create a high-performance web server environment. NGINX handles HTTP requests more efficiently than Apache under heavy traffic, making LEMP ideal for busy WordPress sites, web applications and ecommerce…
How to install LAMP stack on AlmaLinux
The LAMP stack (Linux, Apache, MySQL, PHP) provides a complete foundation for hosting websites and web applications. Installing it on AlmaLinux gives you a stable, enterprise-grade platform that powers everything from personal blogs to high-traffic business…
How to add SSH keys to your VPS
Password-based SSH authentication leaves your VPS vulnerable to brute force attacks. SSH keys provide cryptographic authentication that eliminates this risk while simplifying your login workflow. You will generate an SSH key pair, add the public key to your…
How to restart Plesk services via SSH
Plesk services occasionally need restarting to resolve login problems, email delivery failures or web hosting errors. A targeted restart fixes these issues with minimal downtime and no data loss. You will restart Plesk services by connecting to your VPS via…
