frp: Access Local Services Behind NAT Without Port Forwarding
frp is a fast reverse proxy written in Go that lets a machine behind NAT accept…
5 Ways to Test TCP and UDP Ports in Linux Using nc, nmap, ss, and Bash
Telnet is missing from almost every modern Linux install, but you can still test TCP or…
MakerSkills: Add AI Agent Skills to Claude Code on Linux
makerskills is an open-source pack of AI agent skills for Claude Code. This walkthrough covers how…
Rio Terminal for Linux: Speed Up Your Command-Line Workflow
Rio is a GPU-accelerated terminal emulator written in Rust that gives you built-in tabs, splits, and…
VCF – Workload Domain Stuck Deleting After Reimaging Hosts
August 10, 2026 VCF – Workload Domain Stuck Deleting After Reimaging Hosts VCF Workload Domain Stuck…
20 Linux Networking Interview Questions and Answers for 2026
You’ve probably memorized networking definitions like “What is DNS?” or “What is a subnet?” for interviews….
CrowdStrike Threat Hunts for Shell Command Obfuscation on VMware ESX
Using CrowdStrike Falcon® Next-Gen SIEM, these patterns can be deployed as correlation rules across ESX shell…
9 Deprecated Linux Networking Commands and Alternative Tools You Should Use
Linux provides tons of command line utilities that Linux administrators learned years ago are now outdated….
15 Linux Interview Questions and Answers for System Administrators
Most Linux interview lists recycle the same 10 questions from a decade ago, and many of…
TiDB: Build a MySQL-Compatible Distributed SQL Database on Linux
This tutorial shows you how to install TiDB using TiUP, start a local cluster, connect to…
NetBird: Securely Connect Linux Machines with a WireGuard Mesh VPN
NetBird creates an encrypted WireGuard network between your devices without requiring a traditional VPN server or…
12 Best Command-Line FTP Clients for Linux Users
Most Linux guides still recommend the same FTP clients they listed years ago, even though some…
11 Best IP Address Management (IPAM) Tools for Linux in 2026
Most sysadmins don’t realize there’s an IP conflict until something goes offline. That’s where IP address…
Denying the Worm: Detecting SANDWORM_MODE and the Emerging Class of AI Toolchain Supply Chain Attacks
Beyond credential harvesting, the worm targets password manager CLIs (bw, op, lpass) and local SQLite stores…
obsidian-skills: Teach Claude Code How to Work with Obsidian
If you’ve ever watched an AI coding agent mess up your Obsidian vault, this can help….