Key Takeaways How Do You Install Docker on Linux (Ubuntu)? Installing Docker Engine on Ubuntu is a straightforward process that gives you access to the world’s leading containerization platform. By following these steps, you will set up Docker’s official repository and install the latest version of the engine directly from...
Key Takeaways (TL;DR) Gaining a clear, real-time view of your application’s health is essential. A centralized observability dashboard empowers your team to gain deep insights, troubleshoot issues faster, and proactively manage system stability. This article provides a complete walkthrough for setting up a comprehensive monitoring dashboard with Prometheus, Loki, and...
Key Takeaways (TL;DR) Why Should You Secure Your Grafana Dashboard with HTTPS? Grafana is a powerful tool for data visualization. However, if you run it over a standard HTTP connection, your login credentials, API keys, and visualized data are sent in plain text. This exposes your sensitive information to...
This guide provides a step-by-step procedure for protecting SSH access on a modern Linux server with SecurID multi-factor authentication (MFA). A lot has changed since I wrote the original article in 2019. Getting Started with RSA SecurID Before you can protect a server, you need to have an RSA SecurID...
What is Windows Nano Server? Nano Server is a deeply refactored, headless deployment option for Windows Server 2016. It is designed for maximum efficiency and a minimal attack surface, running from a VHDX file with no Graphical User Interface (GUI) or local login capabilities. All management is performed remotely, primarily...
HTTPS (HTTP over SSL/TLS) encrypts communication between a web browser and a server, which is essential for protecting data during online banking or shopping. This security is provided by an SSL certificate. While public websites use certificates signed by a trusted Certificate Authority (CA), internal or development environments can use...
This guide provides a secure and efficient method for deploying a monitoring stack on Ubuntu 24.04. You will install Prometheus to collect metrics, Node Exporter to expose system metrics, Grafana to visualize the data, and Nginx as a secure reverse proxy for Grafana. Part 1 — Install Grafana and Nginx...
Being locked out of a server because of a lost or undocumented root password is a stressful situation for any system administrator. Whether you’ve inherited a machine with no credentials or an OS error has left your system in a read-only state, regaining access is critical. While you’d normally use...
Backup failures and application-aware snapshots are a nightmare for any system administrator. A common culprit behind these critical errors is the Volume Shadow Copy Service (VSS), specifically when its writers enter a failed state. Understanding how to diagnose and resolve these issues is an essential skill for maintaining data integrity...
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