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vnc-service

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UpdatedMarch 21, 2026 at 00:09

Persistent virtual display + VNC for headless servers. Four commands: /vnc-service:setup (install and configure), /vnc-service:run (ensure running + print connection info), /vnc-service:stop (stop services to free resources), /vnc-service:status (check health). Requires Debian/Ubuntu, systemd, sudo. VNC access restricted to local network via ufw firewall. Use whenever browser interaction is needed on a headless server — OAuth, CAPTCHA, 2FA. Other skills should call /vnc-service:setup as a prerequisite check and /vnc-service:run before browser operations.

Installation

Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.

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Source

3D-Stories

3D-Stories/vnc-service

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Related occupationsSOC

Based on SOC occupation classification

Network and Computer Systems AdministratorsComputer and Mathematical Occupations·SOC 15-1244

SKILL.md

readonly

name

vnc-service

description

VNC Service Plugin

This plugin provides a persistent virtual display (Xvfb on :99) and VNC server (x11vnc on port 5999, localhost only) for headless Linux servers. It enables browser-based interactions that normally require a physical monitor.

Skills

/vnc-service:setup — One-time install and configuration
/vnc-service:run — Ensure running + print connection info (call before browser operations)
/vnc-service:stop — Stop services to free resources (restart anytime with /vnc-service:run)
/vnc-service:status — Health check and diagnostics

For Other Skill Authors

If your skill needs browser interaction on a headless server, add this to your prerequisites:

### Prerequisite: Virtual Display (headless servers only)

Check if a display is available. If not:
1. Call /vnc-service:setup to install the virtual display service
2. Call /vnc-service:run before any browser operations
3. Wait for user to confirm VNC connection (via SSH tunnel)
4. Set DISPLAY=:99 for browser commands

More from this repository

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vnc-servicesetup

3D-Stories/vnc-service

Set up a persistent virtual display + VNC server on a headless Linux server. Installs Xvfb, x11vnc, creates systemd user services, sets a VNC password, and configures display :99. Requires Debian/Ubuntu (uses apt-get). Use this skill when a tool needs browser interaction on a headless server — OAuth login, CAPTCHA solving, 2FA prompts. Trigger on: "vnc setup", "set up vnc", "headless browser", "no display", "DISPLAY not set", "CAPTCHA requires browser", "OAuth needs browser", or when any other skill calls /vnc-service:setup as a prerequisite.

2026-03-200

vnc-servicerun

3D-Stories/vnc-service

Ensure the persistent virtual display + VNC is running and print connection info. Call this skill whenever a browser interaction is needed on a headless server — before OAuth login, CAPTCHA solve, or 2FA prompt. If the service isn't set up yet, directs to /vnc-service:setup. Trigger on: "start vnc", "vnc run", "I need to solve a CAPTCHA", "browser login needed", "OAuth prompt", or when any other skill needs browser interaction on a headless server.

2026-03-200

vnc-servicestatus

3D-Stories/vnc-service

Show the status of the virtual display and VNC service — whether running, display number, port, and connection info. Use when checking if VNC is available or troubleshooting display issues. Trigger on: "vnc status", "is vnc running", "display status", "check vnc".

2026-03-200

vnc-servicestop

3D-Stories/vnc-service

Stop the virtual display and VNC server services. Use when you no longer need browser interaction and want to free resources. The services can be restarted anytime with /vnc-service:run. Trigger on: "stop vnc", "vnc stop", "disable vnc", "turn off vnc", "shut down display".

2026-03-200

name

vnc-service

description

VNC Service Plugin

Skills

/vnc-service:setup — One-time install and configuration
/vnc-service:run — Ensure running + print connection info (call before browser operations)
/vnc-service:stop — Stop services to free resources (restart anytime with /vnc-service:run)
/vnc-service:status — Health check and diagnostics

For Other Skill Authors

If your skill needs browser interaction on a headless server, add this to your prerequisites:

### Prerequisite: Virtual Display (headless servers only)

Check if a display is available. If not:
1. Call /vnc-service:setup to install the virtual display service
2. Call /vnc-service:run before any browser operations
3. Wait for user to confirm VNC connection (via SSH tunnel)
4. Set DISPLAY=:99 for browser commands