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jMerta
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vps-checkup

Automate a read-only health and security review for an Ubuntu VPS running Docker.

130|15|Updated Dec 14, 2025
Search Tags:#security#troubleshooting#docker#ssh#read-only#vps#health-report
One-click install
npx skills add https://github.com/jMerta/codex-skills --skill vps-checkup
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: vps-checkup
Source: https://github.com/jMerta/codex-skills/tree/main/vps-checkup
Command: npx skills add https://github.com/jMerta/codex-skills --skill vps-checkup

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

## What problem does it solve? This Skill automates a non-intrusive health and security review for an Ubuntu VPS running Docker, producing a comprehensive read-only report and actionable recommendations without applying changes unless explicitly approved.

## Core Features & Use Cases

  • Read-only health and security audit for an Ubuntu VPS with Docker.
  • Security posture checks including SSHD, UFW, and Fail2ban.
  • Docker health overview: daemon status, containers, disk usage, and Compose projects.
  • Clear, prioritized recommendations with explicit confirmation required for any changes.
  • Use Case: A DevOps engineer wants a trusted baseline before applying updates or making changes in production.

### Quick Start SSH into the target host and follow the command sequence in references/ubuntu-docker-checkup-commands.md to generate the report.

Frequently Asked Questions about vps-checkup

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run a read-only health and security audit on an Ubuntu VPS running Docker?▼

To run a read-only health and security audit, SSH into your Ubuntu VPS and execute the command sequence from the Skill's checkup reference file to generate a comprehensive report without applying changes.

Can I check SSHD, UFW, and Fail2ban configurations without modifying my production server?▼

Yes, you can check SSHD, UFW, and Fail2ban configurations safely because the review is strictly read-only, analyzing your security posture and outputting recommendations without applying system modifications.

What is the best way to get a Docker health overview including container status and disk usage?▼

The best way to get a Docker health overview is using an automated checkup that reviews daemon status, running containers, disk usage, and Compose projects to produce a prioritized baseline report.

Does the VPS security review automatically apply fixes to SSHD or Docker configurations?▼

No, the VPS security review does not automatically apply fixes; it provides minimal actionable recommendations and only executes safe changes after you provide explicit confirmation during the audit workflow.

When do I need to generate a read-only VPS health report?▼

You need to generate a read-only VPS health report when you want a trusted baseline before applying system updates, or prior to making configuration changes in a production Docker environment.

Can I use this Docker checkup on a Linux distribution other than Ubuntu?▼

The checkup is specifically designed for an Ubuntu VPS running Docker, targeting Ubuntu-specific security and Docker health checks, so compatibility with other Linux distributions is not guaranteed.

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