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mvn archetype:generate                        \
-DarchetypeGroupId=org.apache.flink           \
-DarchetypeArtifactId=flink-quickstart-scala  \
-DarchetypeVersion=1.13.2                     \
-DgroupId=io.dev.flink                        \
-DartifactId=flink-scala-project              \
-Dversion=0.1                                 \
-DinteractiveMode=false

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How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.

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NOTE: a more up-to-date version of this can be found on my blog

nix-shell and Shebang Lines

A few days ago, version 1.9 of the Nix package manager was released. From the release notes:

nix-shell can now be used as a #!-interpreter. This allows you to write scripts that dynamically fetch their own dependencies.

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#!/bin/bash
#
# Bash `flock` example.
# Works on: Linux, BSD
# Doesn't work on: MacOS

# The file which represent the lock.
LOCKFILE="`basename $0`.lock"

# Timeout in seconds.

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Understanding Nix Inputs

Every Nix derivation produces a Nix store output that has 3 things:

• Executables
• Libraries
• Data

Executables are always exported using the PATH environment variable. This is pretty much automatic.

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Vagrant and VMWare Tech Preview 21H1 on Apple M1 Pro

UPDATE November 20, 2022: VMWare Fusion 13

VMWare Fusion 13 is now released. Read Vagrant and VMWare Fusion 13 Player on Apple M1 Pro for the latest.

Summary

This document summarizes notes taken while to make the VMWare Tech preview work on Apple M1 Pro, it originated

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# I really enjoyed "Bash One Liner - Compose Music From Entropy in /dev/urandom"
# From http://blog.robertelder.org/bash-one-liner-compose-music/
#
# This is a collection of one liners that work on Mac OSX

# You need sox
brew install sox

# Major scale
cat /dev/urandom | hexdump -v -e '/1 "%u\n"' | awk '{ split("0,2,4,5,7,9,11,12",a,","); for (i = 0; i < 1; i+= 0.0001) printf("%08X\n", 100*sin(1382*exp((a[$1 % 8]/12)*log(2))*i)) }' | xxd -r -p | sox -v 0.25 -traw -r16000 -b32 -e signed-integer - -tcoreaudio

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Notes on my Arch Linux installation

• Notes on my Arch Linux installation
  • Hardware
    • Known Issues
  • Preparation
  • Pre-installation
    • Select the drive
    • Zap the disk
• Create the partitions

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Locate the section for your github remote in the .git/config file. It looks like this:

[remote "origin"]
	fetch = +refs/heads/*:refs/remotes/origin/*
	url = git@github.com:joyent/node.git

Now add the line fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this:

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# https://macos-defaults.com/
# https://www.defaults-write.com

# reset with: defaults delete -g <FEATURE>

# dock
# position
defaults write com.apple.dock "orientation" -string "right"
# icon size
defaults write com.apple.dock "tilesize" -int "36"