Alex Creek alexcreek

@google

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alexcreek / configure-firewall.sh

Created January 13, 2015 03:03

	#!/bin/bash
	temp_ruleset=$(mktemp)
	nginx_ruleset="# Generated by iptables-save v1.4.21 on Fri Jan 9 18:21:29 2015
	*filter
	:INPUT DROP [0:0]
	:FORWARD DROP [0:0]
	:OUTPUT DROP [0:0]
	-A INPUT -i lo -j ACCEPT
	-A INPUT -p icmp -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT
	-A INPUT -p tcp -m tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT

alexcreek / gist:6c4e0879e7dbec88232bbbf27685a080

Created October 20, 2016 02:43

	[Unit]
	Description=nginx - high performance web server
	Documentation=http://nginx.org/en/docs/
	After=network.target remote-fs.target nss-lookup.target

	[Service]
	Type=forking
	KillMode=none
	ExecStartPre=/usr/sbin/nginx -t
	ExecStartPre=-/usr/bin/pkill -SIGQUIT nginx

alexcreek / argparse.py

Last active December 18, 2021 02:49

python argparse example

	#!/usr/bin/env python3
	# https://docs.python.org/3.9/library/argparse.html
	import argparse

	def parse_arguments():
	parser = argparse.ArgumentParser(description='Argument Parser Template')
	parser.add_argument('-b', '--basic', help='basic arg consuming option')
	parser.add_argument('-v', '--verbose', help='increase output verbosity, flag', action='store_true')
	parser.add_argument('-g', '--greedy', help='greedy narg=* arg', nargs='*')
	parser.add_argument('-c', '--choices', help='choices demonstration', choices=['list', 'of', 'choices'])

alexcreek / getopts.sh

Last active December 17, 2021 23:40

How to use getopts in bash

	#!/bin/bash
	usage() {
	echo "Usage: $(basename "$0") [-v] [-f filename] [-g group] positional-param"
	exit 1
	}

	if [[ "$#" -lt 1 ]]; then
	usage
	fi

alexcreek / datetime.md

Last active April 1, 2022 05:24

python datetime examples

https://docs.python.org/3/library/datetime.html

from datetime import datetime as dt

In [119]: dt.now()
Out[119]: datetime.datetime(2021, 12, 17, 23, 29, 32, 946086)

In [180]: dt.now(timezone.utc)
Out[180]: datetime.datetime(2021, 12, 18, 4, 51, 10, 734244, tzinfo=datetime.timezone.utc)

alexcreek / renew-token.py

Last active June 23, 2022 01:14

Use your existing tdameritrade refresh_token to create a new refresh_token valid for another 90 days

	#!/usr/bin/env python3
	# https://developer.tdameritrade.com/content/authentication-faq

	from requests import post
	import os
	import sys

	try:
	refresh_token = os.environ['REFRESH_TOKEN']
	client_id = os.environ['CLIENT_ID']

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