Gustavo Albuquerque gusalbukrk

DNS & domain registration

nameservers define your domain's current DNS provider
by changing nameservers you change the site in which to manage your DNS records, examples:
- you can change your nameservers to freedns1.registrar-servers.com and freedns2.registrar-servers.com to start using Namecheap's FreeDNS service to manage DNS records on Namecheap instead of on your current registrar (source)
- you can change your nameservers to ns1.digitalocean.com., ns2.digitalocean.com. and ns3.digitalocean.com. to start using DigitalOcean to manage DNS records instead of using your current registrar (source)
some registrars don't allow you to change nameservers or charge an extra fee for it
for example, Cloudflare doesn't allow for custom nameservers unless the client

CTRL + SHIFT + ENTER = works in many places, e.g. start menu, file explorer, Run command box

you must be logged as an administrator
Ctrl + I, click Networks e Internet, click Advanced network configurations, click Advanced sharing configurations, enable both options under Public networks, under All networks enable first option and disable 3rd option

usually, you just need to set PasswordAuthentication yes at /etc/ssh/sshd_config and restart service (systemctl restart sshd)
- https://docs.digitalocean.com/support/i-lost-the-ssh-key-for-my-droplet/#enable-password-authentication
however, Ubuntu have a Include /etc/ssh/sshd_config.d/*.conf at the beginning of said config and, because sshd applies the first config it finds, you must change the PasswordAuthentication directives in the files inside /etc/ssh/sshd_config.d/*.conf
- source

https://docs.sonarsource.com/sonarqube/latest/try-out-sonarqube/

$ docker run -d --name sonarqube -e SONAR_ES_BOOTSTRAP_CHECKS_DISABLE=true -p 9000:9000 sonarqube:latest

	#!/bin/bash

	# directory="$HOME/gists_backup/"

	# file_list=$(find "$directory" -mindepth 1 -maxdepth 1 -type d)

	# for file in $file_list; do
	# dir_name=$(basename "$file")

	# echo "Processing file: $dir_name"

	-- model inheritance in database
	-- table per type
	-- https://stackoverflow.com/a/190306

	CREATE TABLE users (
	id SERIAL,
	email VARCHAR(50) NOT NULL,
	password VARCHAR(20) NOT NULL,

	PRIMARY KEY (id)