janstuemmel

SSH Reverse Proxy

ssh -nN -R <remote-port>:localhost:<local-port> <username>@<server-ip-or-hostname>

Explanation

• <remote-port> Any free port on your remote server, e.g. 9999
• `` The port your local webserver is listening to, e.g. 8080

janstuemmel

#!/bin/sh
# USAGE: execute with e.g.: BAZ=hello ./script.sh 5 1

#
## Variables
#
FOO=foo
${BAR:-bar} # default value "bar" for BAR, can be set from outside the script

echo $FOO $BAR # prints: foo bar

janstuemmel

Parcel Bundler + module stylesheets

Setup

npm i -D postcss-modules

// ./.postcssrc

janstuemmel

fake shell

a bash-like fake shell

resources

• Xterm js
• Wikipedia: CSI Sequences
• Blog post about writing a shell
• ... it already exists :)

janstuemmel

AWS Regions

all aws regions as JSON file including us-gov regions.

Have fun!

https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.RegionsAndAvailabilityZones.html https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html

janstuemmel

const period = 30;
const epoch = Math.floor(Date.now() / 1000.0);
const expires = (Math.ceil(epoch / period) * period) - epoch;
console.log(expires);