pawel-t

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

To install Pulse Secure for Ubuntu 20.04, it is a bit complicated since the support isn't great.

First, we'll want to go through the form at https://www.pulsesecure.net/trynow/client-download/. You'll get an email with download links to the latest versions of pulse secure. Download the Linux one with the deb file and then you can install it using dpkg from your downloads folder.

$ cd ~/Downloads
$ sudo dpkg -i ps-pulse-linux-[your-pulse-version]-ubuntu-debian-64-bit-installer.deb

Top HN posts

progrium/bashstyle

Bash is the JavaScript of systems programming. Although in some cases it's better to use a systems language like C or Go, Bash is an ideal systems language for smaller POSIX-oriented or command line tasks. Here's three quick reasons why:

It's everywhere. Like JavaScript for the web, Bash is already there ready for systems programming.
It's neutral. Unlike Ruby, Python, JavaScript, or PHP, Bash offends equally across all communities. ;)
It's made to be glue. Write complex parts in C or Go (or whatever!), and glue them together with Bash.

This document is how I write Bash and how I'd like collaborators to write Bash with me in my open source projects. It's based on a lot of experience and time collecting best practices. Most of them come from these two articles, but here integrated, slightly modified, and focusing on the most bang for buck items. Plus some ne

Encrypted Btrfs storage setup and maintenance guide

Initial setup with LUKS/dm-crypt

This exemplary initial setup uses two devices /dev/sdb and /dev/sdc but can be applied to any amount of devices by following the steps with additional devices.

Create keyfile:

dd bs=64 count=1 if=/dev/urandom of=/etc/cryptkey iflag=fullblock
chmod 600 /etc/cryptkey

	#!/bin/bash
	# Fetch 24-hour AWS STS session token and set appropriate environment variables.
	# See http://docs.aws.amazon.com/cli/latest/reference/sts/get-session-token.html .
	# You must have jq installed and in your PATH https://stedolan.github.io/jq/ .
	# Add this function to your .bashrc or save it to a file and source that file from .bashrc .
	# https://gist.github.com/ddgenome/f13f15dd01fb88538dd6fac8c7e73f8c
	#
	# usage: aws-creds MFA_TOKEN [OTHER_AWS_STS_GET-SESSION-TOKEN_OPTIONS...]
	function aws-creds () {
	local pkg=aws-creds

	#!/usr/bin/env bash

	if [ "$EUID" -ne 0 ];then
	>&2 echo "This script requires root level access to run"
	exit 1
	fi

	if [ -z "${WORDPRESS_DB_PASSWORD}" ]; then
	>&2 echo "WORDPRESS_DB_PASSWORD must be set"
	>&2 echo "Here is a random one that you can paste:"

	- name: Get assets
	get_url:
	url: "https://api.github.com/repos/{{ username }}/{{ repo_name }}/releases/latest?access_token={{ github_token }}"
	force: yes
	headers:
	Accept: "application/vnd.github.v3+json"
	dest: "/tmp/{{ assets_response }}"

	- name: Get download url
	shell: \|