Sub-skill of nextflow-pipelines: Docker issues (+2).
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---
name: nextflow-pipelines-docker-issues
description: 'Sub-skill of nextflow-pipelines: Docker issues (+2).'
version: 1.0.0
category: science
type: reference
scripts_exempt: true
---
# Docker issues (+2)
## Docker issues
| Problem | Fix |
|---------|-----|
| Not installed | Install from https://docs.docker.com/get-docker/ |
| Permission denied | `sudo usermod -aG docker $USER` then re-login |
| Daemon not running | `sudo systemctl start docker` |
## Nextflow issues
| Problem | Fix |
|---------|-----|
| Not installed | `curl -s https://get.nextflow.io \| bash && mv nextflow ~/bin/` |
| Version < 23.04 | `nextflow self-update` |
## Java issues
| Problem | Fix |
|---------|-----|
| Not installed / < 11 | `sudo apt install openjdk-11-jdk` |
**Do not proceed until all checks pass.** For HPC/Singularity, see [references/troubleshooting.md](references/troubleshooting.md).
---
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Scanned 9/9/2026
Build reusable Terraform modules for AWS, Azure, and GCP infrastructure following infrastructure-as-code best practices. Use when creating infrastructure modules, standardizing cloud provisioning, or implementing reusable IaC components.
