Learn how to set up NetBird VPN for secure, peer-to-peer connectivity between devices across different networks. This guide covers creating a free account, installing clients, testing connectivity, and understanding connection types and troubleshooting.

Learn how to set up Tailscale VPN for secure, peer-to-peer connectivity between your devices across home and cloud networks. This guide covers creating a free account, installing clients, testing connectivity, using subnet routing, exit nodes, and troubleshooting direct versus relayed connections.

Discover the basics of overlay mesh VPN networks, including zero trust, peer-to-peer connectivity, and modern mesh VPNs like Tailscale and Netbird. Learn how these services create secure, direct tunnels, handle NAT/firewall traversal, and offer features like subnet routing and exit nodes.

Learn how to enable hibernation on Fedora Workstation 42. This step-by-step guide explains creating a swap file on Btrfs, disabling CoW, restoring SELinux context, configuring Dracut with the resume module, and verifying system resume for a seamless hibernation setup.

Build your own lightweight “What’s My IP” service using Cloudflare Workers. Deploy a simple script that returns the client’s public IP via cf-connecting-ip. Optionally, assign a custom domain for easy access. Works in any browser or CLI with curl.

Learn how to set up a simple global command execution log in Linux using the PROMPT_COMMAND variable. This guide shows how to capture every executed command with username, timestamp, and PID into a central log file without complex audit tools.

Learn how to check, manage, and extend your Windows Server trial license using SLMGR commands, including viewing info and resetting the trial period.

Modern HTML email template for Zabbix alerts with responsive design, severity color-coding, action buttons, and company branding.

Quickly transfer files over a local network using Python’s built-in HTTP server. Start a server in any directory, access files via a browser, and optionally customize ports or directories. Ideal for quick, trusted transfers without using scp or rsync.