Alex Kosh cuamckuu

Docker compose as a systemd unit

Create file /etc/systemd/system/[email protected]. SystemD calling binaries using an absolute path. In my case is prefixed by /usr/local/bin, you should use paths specific for your environment.

[Unit]
Description=%i service with docker compose
PartOf=docker.service
After=docker.service

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

(Note: This assumes you've already configured your master server for streaming replication)

export DATADIR=/data/postgres-9.3
export MASTER=192.168.0.1
export REPL_USER=replication
export REPL_PASSWORD=mypassword

Create a base backup:

	# coding: utf-8
	#
	# Copyright (c) 2017 Roman Miroshnychenko <[email protected]>
	#
	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights
	# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	# copies of the Software, and to permit persons to whom the Software is
	# furnished to do so, subject to the following conditions:

	import requests

	api_url = 'https://api.telegram.org/bot{token}/{method}'.format

	TELEGRAM_ACCESS_TOKEN = os.environ.get('TELEGRAM_ACCESS_TOKEN', None)


	def telegram_command(name, data):
	url = api_url(token=TELEGRAM_ACCESS_TOKEN, method=name)
	return requests.post(url=url, json=data)

	Promise.race([
	fetch('/foo'),
	new Promise((_, reject) =>
	setTimeout(() => reject(new Error('Timeout')), 7000)
	)
	]);

	# coding:utf-8
	from kivy.app import App
	from kivy.uix.image import Image
	from kivy.clock import Clock
	from kivy.graphics.texture import Texture
	import cv2


	class KivyCamera(Image):
	def __init__(self, capture, fps, **kwargs):

	#!/usr/bin/python2

	"""
	Use scapy to modify packets going through your machine.
	Based on nfqueue to block packets in the kernel and pass them to scapy for validation
	"""

	import nfqueue
	from scapy.all import *
	import os