# Troubleshooting a GitLab installation

Below are some resources to help you troubleshoot a GitLab installation
in case something goes wrong:

- [Debugging tips](debug.md)
- [Diagnostics tools](diagnostics_tools.md)
- [Elasticsearch](elasticsearch.md)
- [GitLab Rails console cheat sheet](gitlab_rails_cheat_sheet.md)
- [Group SAML and SCIM troubleshooting](group_saml_scim.md) **(SILVER ONLY)**
- [Kubernetes cheat sheet](kubernetes_cheat_sheet.md)
- [Linux cheat sheet](linux_cheat_sheet.md)
- [Parsing GitLab logs with `jq`](log_parsing.md)
- [Navigating GitLab via Rails console](navigating_gitlab_via_rails_console.md)
- [PostgreSQL](postgresql.md)
- [Sidekiq](sidekiq.md)
- [SSL](ssl.md)

If you need a testing environment to troubleshoot, see the
[apps for a testing environment](test_environments.md).