Martin Paulo MartinPaulo

set -e, -u, -o, -x pipefail

The set lines

These lines deliberately cause your script to fail. Wait, what? Believe me, this is a good thing.
With these settings, certain common errors will cause the script to immediately fail, explicitly and loudly. Otherwise, you can get hidden bugs that are discovered only when they blow up in production.

set -euxo pipefail is short for:

set -e
set -u

###Notes for working with Screen and devstack...

# to join the screen session:
./rejoin-stack.sh 
# to the list of current screen sessions:
screen -list
# another way to join:
screen -r

to get help:

Boxing devstack with ...

The simplest way is to install the latest version of Vagrant Then just follow the instructions given by Christian Berendt in his blog entry: http://www.cberendt.de/2014/04/an-other-vagrant-box-with-devstack-and-ubuntu-14-04/ (you might want to reduce the memory and the number of CPU's, dependent on your hardware - also, don't forget the warning about waiting for 10+ minutes once you have fired the whole thing up)

To install a specific branch of devstack

These are the steps I followed to install the icehouse branch of devstack into a Vagrant controlled VM

	"""Python Script to solve the perseverence parachute
	code

	Output:
	DARE¿¿¿¿
	MIGHTY¿¿
	THINGS¿¿
	34°11'58'' N 14°118'10'' W
	"""

	#!/bin/bash
	# Sometimes you need to move your existing git repository
	# to a new remote repository (/new remote origin).
	# Here are a simple and quick steps that does exactly this.
	#
	# Let's assume we call "old repo" the repository you wish
	# to move, and "new repo" the one you wish to move to.
	#
	### Step 1. Make sure you have a local copy of all "old repo"
	### branches and tags.