# Knowledge eXchange (KX)
# https://www.knowledgexchange.xyz

> Knowledge eXchange is a technical knowledge base and blog providing 500+ articles, tutorials, and troubleshooting guides for IT professionals. Content covers Microsoft Windows Server, Linux/Ubuntu, Nginx, Docker, cloud infrastructure, networking, security, databases, and programming. Available in English, Spanish, Portuguese, French, and German.

## About
- Site: https://www.knowledgexchange.xyz
- Author: JC
- Publishing since: 2006
- Languages: English, Spanish, Portuguese, French, German
- Content type: Technical articles, tutorials, how-to guides, troubleshooting

## Key Topics
- Microsoft: Windows Server, Active Directory, Exchange, SharePoint, PowerShell, Azure, Office 365
- Linux: Ubuntu, Docker, SSH, server administration, Certbot
- Web Servers: Nginx, Apache, reverse proxy, SSL/TLS configuration
- Networking: DNS, DHCP, VPN (WireGuard), firewall, Ubiquiti/UniFi
- Cloud: Azure, Google Cloud, Cloudflare, Terraform, CI/CD, GitHub Actions
- Security: Server hardening, SSL/TLS, encryption, security checklists
- Databases: MySQL, SQL Server, optimization, MySQLTuner
- Programming: .NET, C#, ASP.NET, JavaScript, Python, Astro
- Virtualization: VMware, Hyper-V, Docker, containers

## Content Feeds
- RSS (English): https://www.knowledgexchange.xyz/rss.xml
- RSS (Spanish): https://www.knowledgexchange.xyz/feed/es.xml
- RSS (Portuguese): https://www.knowledgexchange.xyz/feed/pt.xml
- RSS (French): https://www.knowledgexchange.xyz/feed/fr.xml
- RSS (German): https://www.knowledgexchange.xyz/feed/de.xml
- Sitemap: https://www.knowledgexchange.xyz/sitemap-index.xml
- Multilingual Sitemap: https://www.knowledgexchange.xyz/sitemap-i18n.xml

## Popular Articles
- How to Install Docker on Ubuntu: https://www.knowledgexchange.xyz/how-to-install-docker-on-ubuntu/
- Docker Compose Practical Guide: https://www.knowledgexchange.xyz/docker-compose-practical-guide-sysadmins/
- WireGuard VPN Setup Guide: https://www.knowledgexchange.xyz/wireguard-vpn-setup-ubuntu/
- SSH Hardening for Linux Servers: https://www.knowledgexchange.xyz/ssh-hardening-secure-linux-server/
- Nginx Reverse Proxy Complete Guide: https://www.knowledgexchange.xyz/nginx-reverse-proxy-complete-guide/
- Getting Started with GitHub Actions: https://www.knowledgexchange.xyz/getting-started-github-actions-cicd/
- Introduction to Terraform: https://www.knowledgexchange.xyz/introduction-terraform-infrastructure-as-code/
- Linux Server Security Checklist: https://www.knowledgexchange.xyz/linux-server-security-checklist/
- Automate SSL with Let's Encrypt: https://www.knowledgexchange.xyz/automate-ssl-certificates-lets-encrypt-certbot/
- PowerShell 7 for Windows Admins: https://www.knowledgexchange.xyz/powershell-7-whats-new-windows-admins/
- Cloudflare Tunnels Guide: https://www.knowledgexchange.xyz/cloudflare-tunnels-expose-services-securely/
- WordPress to Astro Migration: https://www.knowledgexchange.xyz/migrating-wordpress-to-astro-complete-guide/

## Contact
- Website: https://www.knowledgexchange.xyz/about/