JoSSte

Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like:

Conditional Vagrant environments

2 options to start vagrant

command line with pass-through variable or alias

Run while passing variable to vagrantfile

$ ENV='local' vagrant up

Add an alias

How to disable cloud-init in Ubuntu

Prevent start

Create an empty file to prevent the service from starting
```
  sudo touch /etc/cloud/cloud-init.disabled
```

Uninstall

Keytool CheatSheet 🔐

Some history

This cheat sheet came into life when I started working on a tutorial of setting up one way tls and two way tls, which can be found here: GitHub - Mutual TLS SSL

Creation and importing

Generate a Java keystore and key pair

keytool -genkeypair -keyalg RSA -keysize 2048 -keystore keystore.jks -alias server -validity 3650

	#!/bin/bash
	# Description:
	# Update the DNS A Record with your public IP address for the one.com host.
	#
	# Recommendation:
	# - Create a separate user that can only access the DNS records.
	# - Create a cron tab to run this script every 30 minutes:
	# crontab -e
	# /30 * * * ~/Scripts/update-dns-one.com.sh >/dev/null 2&>1
	# - To get the Sub Domain Id you will have to manually update the domain and record the network traffic using your browser

	# -- mode: ruby --
	# vi: set ft=ruby :

	# All Vagrant configuration is done below. The "2" in Vagrant.configure
	# configures the configuration version (we support older styles for
	# backwards compatibility). Please don't change it unless you know what
	# you're doing.
	Vagrant.configure("2") do \|config\|
	# The most common configuration options are documented and commented below.
	# For a complete reference, please see the online documentation at

	<?php

	// https://stackoverflow.com/questions/1545432/what-is-the-easiest-way-to-use-the-head-command-of-http-in-php

	$dst_url='http://qq.com/';

	// create a new cURL resource
	$ch = curl_init();

	// set URL and other appropriate options