Nur Ihsan AG iyxan23

preface: Posting these online since it sounds like these notes are somewhat interesting based on a few folks I've shared with. These are semi-rough notes that I basically wrote for myself in case I ever needed to revisit this fix, so keep that in mind.

I recently bought an LG ULTRAGEAR monitor secondhand off of a coworker. I really love it and it's been great so far, but I ran into some minor issues with it in Linux. It works great on both Mac and Windows, but on Linux it displays just a black panel until I use the second monitor to go in and reduce the refresh rate down to 60 Hz.

This has worked decent so far but there's some issues:

It doesn't work while linux is booting up. The motherboards boot sequence is visible just fine, but as soon as control is handed over to Linux and I'd normally see a splash screen while I'm waiting for my login window, I see nothing.
It doesn't work on the login screen. This would be fine if login consistently worked on my second screen, but I need to manually switch

Fedora35 hibernation

This guide helps to configure the hibernation on a default Fedora35 (also worked fine in previous Fedora34) installation by using a swap file. The Fedora35 installation comes with btrfs as default filesystem. Also, it comes with a zram swap device:

$ swapon
NAME       TYPE      SIZE USED PRIO
/dev/zram0 partition   8G   0B  100

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

Bash Shortcuts

Moving

command	description
ctrl + a	Goto BEGINNING of command line

	import javax.crypto.Cipher;
	import java.io.InputStream;
	import java.security.*;
	import java.util.Base64;

	import static java.nio.charset.StandardCharsets.UTF_8;

	public class RsaExample {
	public static KeyPair generateKeyPair() throws Exception {
	KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");

	#!/bin/bash

	# Tom Hale, 2016. MIT Licence.
	# Print out 256 colours, with each number printed in its corresponding colour
	# See http://askubuntu.com/questions/821157/print-a-256-color-test-pattern-in-the-terminal/821163#821163

	set -eu # Fail on errors or undeclared variables

	printable_colours=256

	from math import sqrt, pow, sin, cos
	from math import pi as M_PI
	M_PI_2 = M_PI * 2

	'''
	original c code:
	https://raw.githubusercontent.com/warrenm/AHEasing/master/AHEasing/easing.c
	Copyright (c) 2011, Auerhaus Development, LLC
	http://sam.zoy.org/wtfpl/COPYING for more details.
	'''