AI coding tools are making waves in the development community. AI agents are now so good at coding that they are becoming extremely useful for speeding up the development lifecycle. When combining AI Agents with leading reasoning large language models, the results are quite staggering. AI coding tools are not...
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...
Once a cornerstone of team collaboration, the SharePoint Wiki served as a simple, effective tool for creating internal knowledge bases. However, with the evolution of Microsoft 365, the classic SharePoint Wiki has been largely superseded by a more powerful, flexible, and user-friendly solution: SharePoint Modern Pages. This guide provides a...
The AWS Command Line Interface (CLI) is an essential tool for any developer, sysadmin, or DevOps engineer working with Amazon Web Services. It allows you to control and automate hundreds of AWS services directly from your terminal, streamlining everything from resource management to complex deployment scripts. This guide provides clear,...
Glances is a powerful, cross-platform system monitoring tool written in Python that gives you a comprehensive, real-time view of your server’s resources. It packs a massive amount of information—from CPU and memory usage to disk I/O, running processes, and network traffic—into a single, easy-to-read console or web-based interface. This guide...
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