If you ever need to take over management of an AWS farm, it’s very likely you will need to attach SG to all instances. Be that for monitoring or access. Here is a bash script to add 1 SG to all instances. You will need to first setup a profile on awscli. Then run the…
The program looks short but the way Python handles JSON is not very elegant. JSON is supposed to be a serialized object, so it should be processed as an object. But here, it’s processed as an array. [python] #!/usr/bin/python import json import sys print "Usage: cat JSON | BasicParse.py | column -t" jsonInput = sys.stdin…