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Both tools: yt-dlp calls via spawn (honor DRY_RUN; --dry-run prints the command and skips dep checks), -o/--output, --no-playlist, --cookies (with file check), clean ffmpeg/yt-dlp guards, POS_FLAGS for completion, full embedded metadata (--embed-metadata --embed-chapters --embed-thumbnail --no-overwrites; mp3 adds --convert-thumbnails jpg + artist-from-uploader parse-metadata). mp3 gains --by-artist (~/Music/<artist>/<title>.mp3). mp4: -f <id>/--best/--worst skip the prompt (mutual-exclusion validated), and the interactive picker now shows a curated [audio]/[video]/[combo] format table on stderr (stdout carries only the chosen id — ui_pick lesson), validates the id against the real -F output, and defaults empty input to best. Docs: howto/media.md rewritten.
Documentation
Everything in this folder is reference material for the Linux_post_install project. The root README is the short intro + quick start; this folder holds the detail.
| Document | What it covers |
|---|---|
| HOWTO.md | Hands-on guides per category (ai, network, docker, media, system, ssh, usb, communication, entertainment): flags, recipes, config, troubleshooting |
| SCRIPTS.md | Core installer scripts: install.sh, preinstall.sh, postinstall.sh, lib/common.sh, lib/flags.sh, lib/entertainment-lib.sh, features/autostart.sh — purpose, how each works, configuration |
| POS.md | The pos CLI: dispatcher, every pos-* command, Docker Compose / ScaleTail config, legacy wrappers, flag CLIs |
| APPS.md | Optional apps: apps/install.sh picker, installer conventions, full app catalog |
| SYSTEMD.md | Systemd units (autostart.service, ssh-agent.service), feature-flag gating, bash completion |
| DEV.md | Developer guide: architecture, conventions, how to add tools/apps/features, commit guidelines |
| AGENT_Context_Project.md | Single-source context doc for AI agents working on the repo |
| algorithm.md | ASCII diagrams: install flow, pos dispatch, compose up, config cascade, logging, vbox lifecycle |
Quick navigation
- Just installed and want to use it? → POS.md
- Adding a package? → SCRIPTS.md → preinstall.sh
- Adding a CLI tool or app? → DEV.md
- First deploy of a self-hosted service? → POS.md → Docker Compose