Héctor Castillo asta-kun

System directories

Method	Result
Environment.getDataDirectory()	/data
Environment.getDownloadCacheDirectory()	/cache
Environment.getRootDirectory()	/system

External storage directories

	from __future__ import absolute_import, print_function, unicode_literals
	import boto3


	def clean_old_lambda_versions():
	client = boto3.client('lambda')
	functions = client.list_functions()['Functions']
	for function in functions:
	versions = client.list_versions_by_function(FunctionName=function['FunctionArn'])['Versions']
	for version in versions:

	1) in file /var/lib/pgsql/9.3/data/postgresql.conf change the default value 'localhost' to '*' (all) as shown

	listen_addresses = '*'

	2) in file /var/lib/pgsql/9.3/data/pg_hba.conf add line:

	host all all all password

	3) if it still does not work, you bet it's iptables fault. so either stop it temporarily to verify this or add an exception for port 5432