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Disable snap in Ubuntu 20.04

snap list sudo snap remove <package> # repeat for all snaps in snap list, except core ...

OpenVPN

openvpn–ERROR: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2) This is...

LaTeX

Ultimate Reference for Symbols While not the easiest to search, this reference contains a list o...

PostgreSQL Full & Incremental Backups with Barman

For now, I'm just going to dump the links I used to get PG-Barman up and running. I'll formalize ...

Pritunl - Web Interface Not Loading After Initial Install Setup

I have encountered this several times when trying to set up a Pritunl VPN server: Install the Pr...

Basic SystemD Service File

Here's the template I use for a basic SystemD service file. It's super boring. Just executes a co...

Apache2 - Reverse Proxy WebSocket Support

Proper Apache2 virtual host configuration for allowing WebSocket reverse proxy and upgrades. Nee...

Correct SSH Permissions

chmod 700 ~/.ssh chmod 644 ~/.ssh/authorized_keys chmod 644 ~/.ssh/known_hosts chmod 644 ~/.ss...

Bookstack Editor Keybindings

Editor Shortcuts The following shortcuts are available in the Markdown Editor: Shortcut (Wind...

Laminar User Manual

This is my just-in-case backup of the Laminar CI documentation. Official version here. Introduct...

Helpful Links

FooDoc theme for JSDoc3 - https://github.com/steveush/foodoc

Oracle Cloud

Access Instance Port from Public IP As a helpful r/oraclecloud user mentioned, Oracle cloud imag...

PHP Composer - Downloading Repository Times Out on Update/Install

I was having problems getting composer install to  run. It kept hanging on "Loading repositories ...

Misc

Allow Executable to Bind Ports < 1000 sudo setcap CAP_NET_BIND_SERVICE=+eip /path/to/binary ...

Python

Python3 Packages Out-of-the-box: python3-devel python3-magic python3-numpy python3-opencv p...

Misc

RPM Search! https://rpmfind.net/linux/RPM/index.html

DNF

View User Installed Packages This is suuuuper helpful for seeing what software I manually instal...

Gnome Extensions I Use

Arc-Dark Theme (not an extension, I know) AlternateTab Bing Wallpaper Changer Blyr Dash to d...

Wayland!

Run GUI Apps As Root Okay, so this doesn't work by default for a reason. It's a bad idea to run ...

Installing Mathematica on Linux

Won't Launch - "libfontconfig.so undefined symbol" This is because Mathematica ships with some w...