Migrated notes from ncnotes

OpenVPN.md

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+# HowTo: OpenVPN
+
+## Installing OpenVPN Server on Ubuntu 20.04
+
+I used the excellent all-in-one [OpenVPN Install](https://github.com/Nyr/openvpn-install) script to do the heavy lifting for this.  There were a few caveats that weren't immediately apparent, mostly because of my ignorance in setting up OpenVPN.
+
+I also made sure to open UDP port 1194 on the my Router/Modem and forward that port to Phaedrus
+
+Afterwards, I was able to use the `ovpn` file to connect to my LAN
+
+## Specifying a DNS with OpenVPN
+
+After installing OpenVPN on a VM recently I decided I wanted it to use my local Pi-Hole instance as its DNS so I can block ads while connected to the VPN.
+
+It's as easy as specifying the DNS in `/etc/openvpn/server/server.conf`, like so:
+
+```ini
+push "dhcp-option DNS 192.168.0.206"
+```
+
+Then restart openvpn with `sudo systemctl restart openvpn-server@server`
+
+---
+
+* [Setup OpenVPN Server - Pi Hole Reference](https://docs.pi-hole.net/guides/vpn/setup-openvpn-server/)
+* The same guy that made the all-in-one script for OpenVPN made one for WireGuard: [wireguard-install](https://github.com/Nyr/wireguard-install)

youtube-dl Tricks.md

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+# youtube-dl Tricks
+
+youtube-dl is a free and open source download manager for video and audio from YouTube and over 1,000 other video hosting websites.
+
+## yt-dlp
+
+yt-dlp is a [youtube-dl](https://github.com/ytdl-org/youtube-dl) fork based on the now inactive [youtube-dlc](https://github.com/blackjack4494/yt-dlc). The main focus of this project is adding new features and patches while also keeping up to date with the original project
+
+### Install 
+```shell
+sudo wget https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -O /usr/local/bin/yt-dlp && sudo chmod a+rx /usr/local/bin/yt-dlp
+```
+
+### Extract audio from YouTube video with youtube-dl
+```shell
+youtube-dl --extract-audio --audio-format mp3 -o "%(title)s.%(ext)s" <URL>
+```
+
+### Download Album from YouTube Music
+```shell
+yt-dlp --extract-audio --audio-format mp3 -o "%(playlist_index)s - %(title)s.%(ext)s" <URL of Playlist>
+```
+
+### Download all parts of a multistream
+
+
+```shell
+yt-dlp -S "res:480" <url>
+```
+
+## Reference
+* [youtube-dl (original)](https://ytdl-org.github.io/youtube-dl/index.html)
+* [yt-dlp](https://github.com/yt-dlp/yt-dlp/#installation)