Networking

Network Troubleshooting Labs

Diagnose networking failures in live environments.

Practice real network incidents: DNS outages, routing issues, and service connectivity failures.

DNS and routing issues
Service connectivity
Live terminals
Timed scenarios

Static labs

Toy setups
No production context
No incident pressure
Low realism

Deadnodes labs

Live network incidents
Production-like outages
Timed recovery
Root-cause focus

What you debug

Investigate connectivity failures and restore service access.

DNS failures
Routing issues
Firewall misconfigurations

For SRE and DevOps

Measure incident response with consistent scenarios.

Training
Assessments
Team drills

Fast start

Launch a network scenario in minutes.

No setup
Browser-based

Deadnodes: DevOps practice labs and technical interview platform

Deadnodes helps engineers and hiring teams practice and assess real DevOps, SRE, and platform engineering skills in live browser environments.

Hands-on troubleshooting labs for Linux, Kubernetes, Postgres, networking, and CI/CD.
Live terminal scenarios with timed runs, scoring, and run history.
Technical interview meetings with secure candidate links and a task picker.
Code Playbook exercises for live coding, pseudocode, debugging, and reasoning.
AI-assisted reports that summarize candidate actions, risks, and next questions.

Key pages: /en/for-ai-agents, /en/interview, /en/tasks/browse, /en/pricing.