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Modules

Module routing for debian-linux-reliability: environment, APT safety, command safety, systemd, networking, development, GPU, containers, packaging, and security audit.

debian-linux-reliability is not a single fixed workflow. It selects modules by task. Complex issues can use multiple modules; for example, a Docker service startup issue may need containers, systemd, and networking.

Module Router

User taskRead referenceOptional read-only script
Identify Debian/Linux environment, release, architecture, WSL, container, VM, and systemdreferences/env-detect.mdscripts/collect-env.sh
Install packages, verify package names, inspect APT sources, backports, and third-party reposreferences/apt-safe.mdscripts/inspect-apt.sh [package ...]
Review shell commands for deletion, disk, permission, and remote-script risksreferences/command-safety.mdscripts/risk-check.sh -- "command"
Debug services, daemons, units, timers, sockets, and logsreferences/systemd-troubleshoot.mdscripts/systemd-diagnose.sh unit.service
Debug DNS, routes, ports, firewalls, NetworkManager, and systemd-networkdreferences/network-debug.mdscripts/network-diagnose.sh
Set up or repair Node, Python, Rust, Go, C/C++, and Gitreferences/dev-setup.mdscripts/dev-probe.sh
Diagnose NVIDIA, AMD, Intel, Mesa, Wayland/X11, Optimus, Secure Boot, and DKMSreferences/gpu-drivers.mdscripts/gpu-probe.sh
Diagnose Podman, Docker, rootless containers, Compose, cgroup v2, and volume permissionsreferences/containers.mdscripts/container-probe.sh
Work on Debian packaging, debian/control, sbuild, lintian, and backportsreferences/debian-packaging.mdscripts/packaging-probe.sh
Run or interpret Linux security audits, Lynis output, and hardening gapsreferences/security-audit.mdscripts/security-audit-probe.sh
Link answers to DebianClub documentationreferences/debianclub-sources.mdnone

Multi-module Examples

ScenarioRecommended modules
Docker Compose service is unreachablecontainers, network-debug, systemd-troubleshoot
Black screen after NVIDIA driver installenv-detect, gpu-drivers, apt-safe, command-safety
apt update reports repository mismatchenv-detect, apt-safe
Python package build failsdev-setup, apt-safe
Security audit results need prioritizationsecurity-audit, command-safety, debianclub-sources

Output Checkpoints

Every module should leave auditable evidence in the answer:

  • Where current system facts came from
  • Which statements are logs, command output, or configuration facts
  • Which judgments are inference
  • Which commands are read-only
  • Which commands mutate the system and require user approval first

Next: Safety Boundary.

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