Build Your ISP Server in 72 Hours

Author Edition • SprintUG Engineering Manual

Build YourISP Serverin 72 Hours

The same production-focused playbook you wrote, now presented as a clean web learning experience—teaching the why, the how, and the real command-line execution path.

Format

Why → How → Examples

Audience

NOC + Infrastructure Teams

Goal

Production Confidence

Document Profile

Build Your ISP Server in 72 Hours

David Emiru Egwell (Systems Architect)
Release: March 2026 • Ubuntu 24.04 LTS Focus
Structured chapter-by-chapter for real deployments
Netplan
PostgreSQL
BIND9 DNS
Nginx
Samba AD
FreeRADIUS
OpenLDAP
Asterisk

Training Library

Master Every Layer

11 production-focused chapters designed for real ISP delivery, from core Linux operations to identity, access, and voice infrastructure.

CH 1

Prerequisites — Linux Foundations

The root directory is the top-level directory in Linux. Every service path you manage in an ISP environment branches from here. Op...

2 sections
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CH 2

PostgreSQL — One Million People, One Database

PostgreSQL is the most advanced open-source relational database. It handles ACID transactions, JSON documents, full-text search, g...

2 sections
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CH 3

DNS — The Backbone of Two Million Customers

DNS is the most critical invisible service in an ISP. Every web page load, every email delivery, every API call begins with a DNS ...

2 sections
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CH 4

Nginx — The Battle Cheat Sheet

Nginx is a high-performance HTTP server, reverse proxy, load balancer, and TLS terminator. This chapter is not a textbook — it is ...

2 sections
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CH 5

Samba AD — Active Directory on Linux

Microsoft charges astronomical licensing fees for Windows Server and Active Directory CALs. Samba 4 provides a fully compatible AD...

2 sections
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CH 6

Docker — Containerized Infrastructure

Containers are lighter than VMs, start in seconds, are reproducible, and can be version-controlled. Docker is not optional for mod...

3 sections
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CH 7

Asterisk — Build a 30-Extension PBX from Source

Asterisk is the most powerful open-source PBX on the planet. We build from source because distribution packages are always behind,...

8 sections
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CH 8

FreeRADIUS — Authenticate Every Customer Who Touches Your Network

RADIUS is the policy gatekeeper for access networks. It decides who gets online, what policy they receive, and records what happen...

4 sections
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CH 9

OpenLDAP — The Universal Directory

Use OpenLDAP when you need a lightweight, app-centric directory and do not require full Windows domain features like GPO and domai...

4 sections
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CH 10

SD-WAN + Zero Trust — Replacing Traditional Site VPNs

Traditional VPN is not broken technology; it is proven, interoperable, and fully capable when the network is static and trust scop...

3 sections
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CH 11

Infrastructure as Code with Ansible — From Manual Ops to Reliable Scale

Manual administration can feel efficient in the moment, but it does not stay stable at scale. Drift builds quietly, exception logi...

3 sections
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Your manual is now your web classroom

Pick any chapter and teach it exactly how you wrote it.