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### Nginx ###
check process nginx
  with pidfile /run/nginx.pid
  start program = "/usr/sbin/service nginx start"
  stop program = "/usr/sbin/service nginx stop"
  if cpu > 60% for 2 cycles then alert
  if cpu > 80% for 5 cycles then restart
  if memory usage > 80% for 5 cycles then restart
  if failed host 157.245.66.174 port 80 protocol http
    then restart

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#app/config/unicorn/production.rb

# paths
app_path = "/home/deployer/qna"
working_directory "#{app_path}/current"
pid               "#{app_path}/current/tmp/pids/unicorn.pid"

# listen
listen "#{app_path}/shared/tmp/sockets/unicorn.qna.sock", backlog: 64

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#>>1. С помощью SQL (DDL):
#Создайте базу данных test_guru

postgres=# create database test_guru;
CREATE DATABASE

#Таблицу categories с атрибутом title

test_guru=# CREATE TABLE categories (
test_guru=# id serial PRIMARY KEY,

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Задание_Архитектура клиент-сервер и HTTP-протокол

1. Сформируйте и отправьте по указанному выше url:

....................................................
1.1 GET запрос без параметров
....................................................
> ncat -C httpbin.org 80
GET / HTTP/1.1
Host:httpbin.org