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Proxmox Mount & Permission Doctor
Build a diagnostic web app or CLI that connects to a host, inspects storage mounts, container mappings, and app-level access, then explains exactly why a media app cannot see files. It would reduce forum-dependent troubleshooting by turning layered infrastructure mistakes into a guided fix plan.
Why this matters
You set up a media server expecting the hard part to be the app, but the real blocker is somewhere between the NAS, the hypervisor, the container config, and Linux permissions. Files appear in one shell, disappear in another, and every test seems to produce a different clue. Existing advice is technically correct but fragmented, so you keep hopping between config files, shell commands, and guesswork. What you need is a tool that can inspect each layer in order, tell you whether the share is mounted correctly, whether the container sees the right path, and whether the service user can actually read the files.
- · Built for Home-lab beginners and intermediate self-hosters running Proxmox with LXCs, NAS shares, and media apps who want setup help without becoming Linux storage experts..
- · Most likely monetization: Freemium.
The Pain · Narrative
You set up a media server expecting the hard part to be the app, but the real blocker is somewhere between the NAS, the hypervisor, the container config, and Linux permissions. Files appear in one shell, disappear in another, and every test seems to produce a different clue. Existing advice is technically correct but fragmented, so you keep hopping between config files, shell commands, and guesswork. What you need is a tool that can inspect each layer in order, tell you whether the share is mounted correctly, whether the container sees the right path, and whether the service user can actually read the files.
Score Breakdown
Market Signal
Go-to-Market
Individuals running their first or second Proxmox-based home server with at least one NAS-backed media or automation workload.
~50K highly relevant early adopters globally
SEO long-tail
$12/month
20 paying users from search traffic landing on mount and permission troubleshooting pages within 30 days
MVP Scope · 1–2 weeks
- Build a CLI that collects host mount tables, container configs, and file-access checks in read-only mode
- Implement Proxmox LXC config parsing for mount-point and unprivileged settings
- Add checks for host path existence and bind-mount consistency
- Create rules that classify failures as pathing, mount missing, or permission-related
- Launch a simple landing page with example diagnostic output
- Add UID/GID and effective-user checks for target services such as media-server users
- Generate human-readable remediation steps based on detected failure class
- Package results in a shareable web report users can review safely
- Add opt-in telemetry to learn the most common failure patterns
- Publish targeted content for search terms around Proxmox NFS, unprivileged containers, and media access
Differentiation
Why This Might Fail
Self-rebuttal — the most important trust signal
- 1Users may only need the tool once during setup, leading to weak retention unless the product expands beyond storage diagnostics.
- 2Environment diversity across NAS vendors, file systems, and container setups may create too many false positives for users to trust recommendations.
- 3Free community threads and existing documentation may be good enough for hobbyists who are patient and unwilling to pay.
Evidence Summary
How AI synthesized this insight — no verbatim quotes
A large share of the discussion focused on the same root cause: users should mount storage on the host, pass it into the container, and then test access as the application user. Several replies emphasized that unprivileged containers and UID mapping are recurring traps. The original user showed clear confusion despite prior Linux experience, indicating a gap between technical capability and successful troubleshooting in this specific stack.
Action Plan
Validate this opportunity before writing code
Recommended Next Step
Build
Strong demand signals detected. Real pain, real willingness to pay — start building an MVP.
Landing Page Copy Kit
Ready-to-paste copy based on real Reddit community language — no editing required
Headline
Proxmox Mount & Permission Doctor
Sub-headline
Build a diagnostic web app or CLI that connects to a host, inspects storage mounts, container mappings, and app-level access, then explains exactly why a media app cannot see files. It would reduce forum-dependent troubleshooting by turning layered infrastructure mistakes into a guided fix plan.
Who It's For
For Home-lab beginners and intermediate self-hosters running Proxmox with LXCs, NAS shares, and media apps who want setup help without becoming Linux storage experts.
Feature List
✓ Automated mount-path validation across host and container ✓ Permission and UID/GID mismatch detection with fix suggestions ✓ Read-only preflight report for media-app storage access
Where to Validate
Share your landing page in r/r/selfhosted — that's exactly where these pain points were discovered.
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