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Estudos de caso com o Flux

Tópicos da apresentação

estratégias de deploy
tipos de fontes usadas pelo Flux
CRDs do Flux
benefícios de se usar flux na estrutura de gitops
estudo de caso: vículo básico de um repositório
estudo de caso: instalação de uma aplicação com helmrelease

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Migrating from Ubuntu on WSL to ArchLinux on WSL2

Obsolete notice

This document was created back in 2020 and might not be actual nowadays. It is not supported anymore, so use thise information at your own risk.

Upgrading to WSL 2

Download WSL2 Kernel
run wsl --set-default-version 2 in windows command line, so that all future WSL machine will use WSL2.

Java Streams

Overview

As part of Java 8 new features, lambda expressions are now supported (Project Lambda). See this very easy-to-read article from Brian Goetz State of the Lambda but more importantly focusing more on streams: State of the Lambda: Libraries Edition

Quick ways to create a stream

// From parameters

MACLISP and MACSYMA on PDP-10 / ITS (emulation)

Goals

On a Debian machine, using simh emulating a PDP-10 running ITS:

Write some Lisp files on ITS, compile them, and run them.
Run MACSYMA and view rendered plots on an emulated Tektronix 4010

	{
	"Cloudflare" : [
	{
	"ip" : "1.1.1.1"
	},
	{
	"ip": "1.0.0.1"
	}
	],
	"Namecheap": [

	# use Windows repair disc to run Startup Repair

	# update grub config file for EFI system
	grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg # Fedora
	sudo update-grub # Ubuntu

	# if grub doesn't find Windows Boot Manager
	# find EFI partition (could be on sdb, sdc, etc if you have more than one hard drive)
	gdisk -l /dev/sda