karantir’s gists

karantir / simple_proto_inheritance.js

Created October 10, 2013 19:39

	Function.prototype.inheritsFrom = function( parentClassOrObject ){
	if ( parentClassOrObject.constructor == Function )
	{
	//Normal Inheritance
	this.prototype = new parentClassOrObject;
	this.prototype.constructor = this;
	this.prototype.parent = parentClassOrObject.prototype;
	}
	else
	{

karantir / ansible.install.sh

Last active December 29, 2015 00:29

Ansible installation

	echo "\nUpdating system packages..."
	apt-get -qq update
	echo "\nInstalling main dependencies..."
	apt-get install --quiet --assume-yes git curl build-essential python-setuptools python-dev sshpass
	echo "\nInstalling pip..."
	apt-get install python-pip
	echo "\nInstalling ansible"
	pip install ansible

karantir / gist:28646dabf2f57851a3c7

Created January 9, 2015 22:01

Disable TLS for Boot2docker VM

	Since Boot2docker 1.3.1, just need to set DOCKER_TLS=no at VM side.
	$ boot2docker ssh -t 'sudo vi /var/lib/boot2docker/profile'

karantir / foo.sh

Last active January 16, 2017 20:49

Run docker w/o sudo

	# add the docker group if it doesn't already exist.
	sudo groupadd docker
	# Add the connected user to the docker group.
	sudo gpasswd -a ${USER} docker
	# Restart the Docker daemon
	sudo service docker restart
	# Activate the changes on groups
	newgrp docker

karantir / gist:b00bfb5a0eac483f9168

Created March 20, 2015 09:19

Cast date type on specific field for all documents in mongodb collection

	var cursor = db.<collection>.find();
	while (cursor.hasNext()) {
	var doc = cursor.next();
	db.<collection>.update({_id : doc._id}, { $set : { <field>: new Date(doc.<field>)} })
	}

karantir / .vagrant.ini

Last active April 26, 2016 12:25

Vagrant environment for bower based frontend

	[all]
	127.0.0.1

	[all:vars]
	project_root = /vagrant
	upstart_criteria = vagrant-mounted
	project_url = localhost
	ansible_sudo = true
	ansible_ssh_user = vagrant
	ansible_ssh_port = 2222

karantir / yotakeepalive.sh

Created May 17, 2016 09:50

Simple init.d script for OpenWRT based router, to keep alive Yota 4G Interned over USB stick

	#!/bin/sh /etc/rc.common
	# Yota 4G Internet keep alive script

	START=10
	STOP=15

	start() {
	echo 'starting'
	ping www.ru
	while [ $? -ne 0 ]; do

karantir / cheatsheet.md

Created June 14, 2016 09:49

Using I2C on OpenWRT

Installing packages.

opkg update
opkg install kmod-i2c-gpio-custom i2c-tools

Loading I2C bus drivers. Using pins 7 (SDA) and 8 (SCL).

insmod i2c-dev
insmod i2c-gpio-custom bus0=0,7,8

karantir / foo.js

Last active January 16, 2017 20:45

RactiveJS; RequireJS; Dynamic component; Condition based code loading

	define([
	'ractive',
	'module'],

	function(Ractive, module) {

	return Ractive.extend({
	template: '{{# isLoaded }}<innerComponent />{{/ isLoaded }}',
	components: {
	innerComponent: function() {

karantir / docker.cleanup.sh

Last active January 16, 2017 20:41

Remove exited containers, orphanted images and volumes

	#!/bin/bash
	# Docker version >= 1.9
	echo "Cleaning up exited containers..."
	docker ps -a -qf status=exited \| xargs -r docker rm
	echo "Cleaning up orphanted images..."
	docker images -qf dangling=true \| xargs -r docker rmi
	echo "Cleaning up orphanted volumes..."
	docker volume ls -qf dangling=true \| xargs -r docker volume rm

Dmitry Krupnov karantir