4lun’s gists

4lun / t480s-fix-trackpad.bashrc

Created June 14, 2023 09:28

Trackpad sometimes stops working on T480s under Ubuntu, this restarts the driver which "fixes" it (until it stops again) without a restart

alias fix_trackpad="sudo modprobe -r elan_i2c && sudo modprobe elan_i2c"

4lun / useEffectDebug.ts

Created March 21, 2023 12:20

Simple useEffect debug hook for figuring out which dependencies have changed in React

	import { DependencyList, EffectCallback, useEffect, useRef } from 'react';

	const useEffectDebug = (
	effect: EffectCallback,
	deps: DependencyList,
	label?: string,
	) => {
	const previous = useRef<DependencyList>();
	useEffect(() => {
	const changedDepIndexes: number[] = [];

4lun / index.html

Created September 17, 2019 17:24

Source of https://tilde.club/~alun/

	<html>
	<head>
	<title>~alun</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<style>
	body {
	box-sizing: border-box;
	margin: 0;
	padding: 2vh 5vh 4vh;
	background: #050505;

4lun / macos-dev-setup.sh

Created October 8, 2018 15:59

	/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

	brew install nvm && echo -e "\
	NVM_DIR=\"$HOME/.nvm\"\n. \"/usr/local/opt/nvm/nvm.sh\"
	" >> ~/.bash_profile && source ~/.bash_profile &&
	nvm install v8 --default &&
	brew cask install iterm2 chromium visual-studio-code 1password authy alfred

	sudo rm -rf Downloads/
	ln -s ~/Desktop Downloads

4lun / domain.com

Last active November 20, 2020 20:06

NGINX config for using Let's Encrypt via the acme.sh client, assumes the existence of a `/var/www/.letsencrypt` directory and enforces HTTPS while allowing cert issue/renewal over HTTP

	server {
	listen 80;
	server_name domain.com;

	include letsencrypt_params;
	}

	server {
	listen 443;
	server_name domain.com;

4lun / pack-list.md

Last active April 19, 2021 16:03

Pack list for travelling and outdoor pursuits

4lun / ubuntu-minecraft-server.sh

Created August 29, 2017 06:48

Install and run a vanilla Minecraft server (1.7.4) on a new install of Ubuntu 16.04

	fallocate -l 1G /swapfile
	chmod 600 /swapfile
	mkswap /swapfile
	swapon /swapfile
	echo '/swapfile none swap sw 0 0' \| sudo tee -a /etc/fstab
	apt update
	apt install -y screen default-jdk
	wget https://s3.amazonaws.com/Minecraft.Download/versions/1.7.4/minecraft_server.1.7.4.jar
	ln -s minecraft_server.1.7.4.jar minecraft_server.jar
	screen -S minecraft

4lun / jenkins-remote-build-trigger.md

Last active July 9, 2019 07:47

How to trigger a remote build via a URL for a Jenkins job

Create new user (e.g. webhook) with the following permissions: Overall > Read, Job > Build, Job > Read & Job > Workspace. Login as the user and get their API token
Under a job, enable "Trigger Builds Remotely" and set an authentication token
Trigger a POST request with the following structure:

http://{USER}:{API_TOKEN}@{JENKINS_URL}/job/{JOB}/build?token={AUTHENTICATION_TOKEN}

4lun / letsencrypt-acme-nginx.sh

Last active March 10, 2017 10:30

Generate and install SSL certificate with letsencrypt (for nginx)

	export DOMAIN="mydomain.com"
	curl https://get.acme.sh \| sh
	bash --login
	mkdir -p /etc/nginx/certs/$DOMAIN/
	acme.sh --issue -d $DOMAIN -w /var/www/$DOMAIN/public/

	acme.sh --install-cert -d $DOMAIN \
	--certpath /etc/nginx/certs/$DOMAIN/cert.pem \
	--keypath /etc/nginx/certs/$DOMAIN/key.pem \
	--fullchainpath /etc/nginx/certs/$DOMAIN/fullchain.pem \

4lun / s3-redirect-routing-rules.xml

Last active June 4, 2017 11:05

Redirect all requests from an S3 bucket to another domain with explicit path (example redirects all requests to newdomain.com/?referrer=olddomain). Substitute 404 code with 403 if bucket is not publicly readable. Note this all assumes there are no matching files in the bucket.

	<RoutingRules>
	<RoutingRule>
	<Condition>
	<HttpErrorCodeReturnedEquals>404</HttpErrorCodeReturnedEquals>
	</Condition>
	<Redirect>
	<HostName>newdomain.com</HostName>
	<ReplaceKeyWith>?referrer=olddomain</ReplaceKeyWith>
	</Redirect>
	</RoutingRule>

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