Welcome to CoreSecTech
Networking • Hardware • Linux • Cybersecurity Tutorials
Explore TopicsNetworking
LAN, VLAN, routing and switch configuration guides.
Cybersecurity
Security tutorials, audits and tool-walkthroughs.
Hardware
Maintenance, upgrades and troubleshooting for servers & desktops.
Web Dev
Frontend, backend and deployment guides — HTML/CSS/JS/PHP.
CCTV
Installation, DVR/NVR setup, and best practices for surveillance.
Latest Posts
Secure Your Wi‑Fi Network
Step-by-step guide to harden home and office Wi‑Fi — encryption, guest networks, and router settings.
Top Linux Commands for Admins
Curated commands every sysadmin should know with quick examples.
Understanding CCTV Config
Practical DVR/NVR and network setup for reliable surveillance.
Windows Admin Tricks
Useful Windows commands, PowerShell tips and registry tweaks.
PC Maintenance Guide
Keep your PC running fast with periodic maintenance routines.
Best Free Security Tools
Top free tools for scanning, monitoring, and hardening systems.