Kamil Monticolo kmonticolo

Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

Working with ansible-vault

I've been using a lot of Ansible lately and while almost everything has been great, finding a clean way to implement ansible-vault wasn't immediately apparent.

What I decided on was the following: put your secret information into a vars file, reference that vars file from your task, and encrypt the whole vars file using ansible-vault encrypt.

Let's use an example: You're writing an Ansible role and want to encrypt the spoiler for the movie Aliens.

Git

Global Settings

Related Setup: https://gist.github.com/hofmannsven/6814278
Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/
Interactive Beginners Tutorial: http://try.github.io/
Git Cheatsheet by GitHub: https://services.github.com/on-demand/downloads/github-git-cheat-sheet/

Reminder

Press minus + shift + s and return to chop/fold long lines!

	Ansible playbook to setup HTTPS using Let's encrypt on nginx.

	The Ansible playbook installs everything needed to serve static files from a nginx server over HTTPS.
	The server pass A rating on [SSL Labs](https://www.ssllabs.com/).

	To use:
	1. Install [Ansible](https://www.ansible.com/)
	2. Setup an Ubuntu 16.04 server accessible over ssh
	3. Create `/etc/ansible/hosts` according to template below and change example.com to your domain
	4. Copy the rest of the files to an empty directory (`playbook.yml` in the root of that folder and the rest in the `templates` subfolder)

	#!/usr/bin/env sh
	#
	# This script can be executed to bootstrap a clean OpenBSD installation
	# so that it can be managed via Ansible.
	#
	# Enter the root password when prompted (twice)
	#
	# NB: Assumes $TARGET_HOST has already been added to inventory and
	# appropriate groups, and that variables are set as necessary
	# (e.g. ansible_become_method, ansible_python_interpreter, etc.)

	#To Decrypt Jenkins Password from credentials.xml
	#<username>jenkins</username>
	#<passphrase>your-sercret-hash-S0SKVKUuFfUfrY3UhhUC3J</passphrase>


	#go to the jenkins url
	http://jenkins-host/script

	#In the console paste the script
	hashed_pw='your-sercret-hash-S0SKVKUuFfUfrY3UhhUC3J'