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Commands to get security groups in use and echo names of groups that can not be found in use

Note: Always check manually before deleting security groups. There are various places the groups may be used, and the scripts output may not always be conclusive

aws elb describe-load-balancers --query 'LoadBalancerDescriptions[*].SecurityGroups' --output text | tr '\t' '\n' | sort | uniq > used.txt

aws elbv2 describe-load-balancers --query 'LoadBalancers[*].SecurityGroups' --output text | tr '\t' '\n' | sort | uniq >> used.txt

	#!/bin/bash
	brew install ffmpeg

	ffmpeg -y -ss 3 -t 3 -i ~/Downloads/input.mp4 -vf fps=10,scale=800:-1:flags=lanczos,palettegen palette.png
	ffmpeg -ss 1 -t 30 -i ~/Downloads/input.mp4 -i palette.png -filter_complex "fps=10,scale=800:-1:flags=lanczos[x];[x][1:v]paletteuse" output.gif
	# 30-second output at 800 x 600 resolution

	#!/bin/bash
	######################################################
	# Stolen & Modified by Lance Hunt
	# Author: Unknown
	#
	# Please let me know who the righful author is so I
	# can give due credit
	######################################################

	echo '* Installing oauth2 Ruby gem'

	touch /Applications/App.app
	touch /Applications/App.app/Contents/Info.plist
	killall Dock

	# Source...somewhere on Stack Overflow