Complete guide to building a homeserver from an old laptop - Ubuntu Server installation, security hardening, DHCP reservation, Tailscale for private access, Clo…
networking
6 items
A deep dive into DHCP (Dynamic Host Configuration Protocol) - how it works, the DORA process, leases, reservations, and why automatic IP assignment is essential…
Deep dive into public and private IP addressing - why both exist, how NAT bridges connect them, and the security implications for home and enterprise networks
Understanding the difference between MAC addresses and IP addresses - why networks need both, how they work together, and what makes each unique
Understanding subnet masks and subnetting from first principles - why networks need division, how masks work in binary, and practical subnetting
Understanding IP addresses from first principles - what they are, why they exist, and how they work to identify devices on networks