IPCheckr

IPCheckr is an open-source learning platform for IPv4 subnetting practice in school environments. It combines automatic assignment generation, instant grading, role-based dashboards, and per-user GNS3 instances in one system.

Project at a glance

• Built for subnetting and IDNet exercises with automatic evaluation.
• Designed for classrooms: student, teacher, and admin workflows.
• Supports local accounts and AD/LDAP authentication.
• Includes optional isolated GNS3 sessions for each user.
• Ready for self-hosted deployment with Docker and installer scripts.

Sneakpeaks

Student

Teacher

Admin

Core capabilities

• Automatic generation of subnetting/IDNet assignments per student.
• LDAP/AD integration with role mapping.
• GNS3 session orchestration with per-user isolation.

Quick start

Run the installer:

curl -fsSL https://raw.githubusercontent.com/tapinko/ipcheckr/master/Deploy/install.sh -o install.sh && sudo bash install.sh

The installer guides setup, writes configuration, and starts the stack. Default login after first run: admin / admin (change immediately).

Tech stack

• Frontend: React + Vite + MUI
• Backend: ASP.NET Core (.NET 8)
• Database: MariaDB
• Deployment: Docker / Docker Compose

Tested distributions

• Ubuntu 25.04

License

MIT — see LICENSE.