/labdevs/tutorials/node
LABDEVS TUTORIALS
Interactive Linux, networking, infrastructure and cybersecurity learning modules.
Nmap Basics
Network discovery and authorized local infrastructure scanning.
nmap 192.168.1.0/24
tmux Essentials
Persistent terminal sessions for remote Linux operations.
tmux new -s labdevs
Nginx Basics
Web server and reverse proxy fundamentals.
sudo apt install nginx -y sudo systemctl restart nginx
Docker Basics
Container visibility and service control.
docker ps sudo systemctl restart docker
Wireshark Basics
Packet inspection and network troubleshooting.
wireshark
SSH Remote Access
Secure remote Linux administration.
ssh user@host
Linux Firewall
Basic firewall hardening with UFW.
sudo ufw enable sudo ufw status
Pi-hole DNS
Local DNS filtering and network-wide ad blocking.
curl -sSL https://install.pi-hole.net | bash
Cloudflare Tunnel
Expose local services without direct port forwarding.
cloudflared tunnel run
Icecast Streaming
Linux audio streaming infrastructure.
sudo apt install icecast2 -y
systemctl Management
Linux service status and restarts.
systemctl status nginx
journalctl Logs
System logs and service troubleshooting.
journalctl -xe