Dmitry B auth-day

Kafka installation with systemd

0. Create kafka user

sudo adduser kafka
sudo adduser kafka sudo
su -l kafka

1. Download and Install kafka archive

Install PostgreSQL 10 on Ubuntu

This is a quick guide to install PostgreSQL 10 - tested on Ubuntu 16.04 but likely can be used for Ubuntu 14.04 and 17.04 as well, with one minor modification detailed below.

(Optional) Uninstall other versions of postgres

To make life simple, remove all other versions of Postgres. Obviously not required, but again, makes life simple. If you have data in your previous version of postgres that you'd like to retain, then this is not recommended. Instead, you'll have to use pg_upgrade or pg_upgradecluster.

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	Setting up a modern C++ development environment on Linux with Clang and Emacs

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	curl -O https://pypi.python.org/packages/source/p/pip/pip-1.2.1.tar.gz
	tar xvfz pip-1.2.1.tar.gz
	cd pip-1.2.1
	zypper install python-setuptools
	python setup.py install
	ln -sfn /usr/local/bin/pip /usr/bin/pip
	pip install --upgrade awscli
	cd ..

	# /usr/lib/systemd/system/cassandra.service

	[Unit]
	Description=Cassandra
	After=network.target

	[Service]
	PIDFile=/var/run/cassandra/cassandra.pid
	User=cassandra
	Group=cassandra

	Backup:
	docker exec -t -u postgres your-db-container pg_dumpall -c > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql

	Restore:
	cat your_dump.sql \| docker exec -i your-db-container psql -Upostgres

	<html>
	<head>
	<script src="jquery-2.1.4.js"></script>
	<link rel="stylesheet" type="text/css" href="styles.css">
	</head>
	<body>
	<div id="wrapper">
	<h1>Create Issue</h1>
	<form id="create-form">
	Summary: <input type="text" name="summary" id="summary" value=""/>

	<?php
	$base64_usrpwd = base64_encode($_POST['user'].':'.$_POST['pass']);

	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, 'http://localhost:8080/rest/api/2/issue/');
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_POST, 1);
	curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json',
	'Authorization: Basic '.$base64_usrpwd));

	# Install https://www.vaultproject.io/
	brew install vault

	# Start dev vault server in a separate terminal
	vault server -dev
	# ==> Vault server configuration:
	# ...
	# Unseal Key: 7ACQHhLZY5ivzNzhMruX9kSa+VXCah3y87hl3dPSWFk=
	# Root Token: 858a6658-682e-345a-e4c4-a6e14e6f7853

	// Related to https://issues.jenkins-ci.org/browse/JENKINS-26481

	abcs = ['a', 'b', 'c']

	node('master') {
	stage('Test 1: loop of echo statements') {
	echo_all(abcs)
	}

	stage('Test 2: loop of sh commands') {