Marian Ignev mignev

Build RPM from rubygems

. It will fetch the gem file with the right version Ask for the license if missing Build the SRPM and the RPM using gem2rpm and a custom template

~/gem2rpm.sh simplecov '>=0.6.2'
...
Finish: build phase for rubygem-simplecov-0.9.1-1.el6.src.rpm

What happens when you create an application on OpenShift.

             __________                __________
            |          |     mco      |          |__
rhc ----->  |  Broker  |  --------->  |   Node   |  |__
            |__________| \            |__________|  |  |
                  /\     \  --------->   |__________|  |
                  |       \ --------->      |__________|
             _____|____

| |

Finishing this guide you'll get:

A running Ghost installation
Amazon SES mail configuration
Simple ssh hardenings
Nginx proxy
Node.js configured with forever

Specification of latest running installation:

	package main

	import (
	"log"
	"log/syslog"
	)

	func main() {
	logwriter, e := syslog.Dial("tcp","123.123.123.123:12345", syslog.LOG_DEBUG, "your.software.identifier")
	if e != nil {

	#The reason is old rubygems.
	#So we need to remove ssl source to be able to update gem --system which includes rubygems and so on.
	#After this we can feel free to get back to ssl source.

	#to temporarily remove secure connection
	gem sources -r https://rubygems.org/

	#add insecure connection
	gem sources -a http://rubygems.org/

	#!/bin/bash

	set -eo pipefail

	VMID=200

	cpu_tasks() {
	expect <<EOF \| sed -n 's/^.* CPU .thread_id=\(.\)$/\1/p' \| tr -d '\r' \|\| true
	spawn qm monitor $VMID
	expect ">"

	var express = require('express');
	var mongoose = require('mongoose');

	var dbs = {};
	for (var i = 0; i < 40; i++) {
	dbs['t' + i] = mongoose.createConnection('mongodb://localhost/t' + i + '__multitenant', { server: { poolSize: 5 } });
	}

	var app = express();

	#!/usr/bin/env python
	import sys
	import pandas as pd
	import pymongo
	import json



	def import_content(filepath):
	mng_client = pymongo.MongoClient('localhost', 27017)

	Producer

	Setup
	bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test-rep-one --partitions 6 --replication-factor 1
	bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test --partitions 6 --replication-factor 3

	Single thread, no replication

	bin/kafka-run-class.sh org.apache.kafka.clients.tools.ProducerPerformance test7 50000000 100 -1 acks=1 bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 buffer.memory=67108864 batch.size=8196

	#! /usr/bin/env python2
	# Requires: PIL, colormath
	#
	# Improved algorithm now automatically crops the image and uses much
	# better color matching

	from PIL import Image, ImageChops
	from colormath.color_conversions import convert_color
	from colormath.color_objects import LabColor
	from colormath.color_objects import sRGBColor as RGBColor