artanikin

# 1) Create your private key
$ cd ~/.ssh
$ openssl genrsa -des3 -passout pass:x -out lvh.me.pass.key 2048

# 2) Generate RSA key
$ openssl rsa -passin pass:x -in lvh.me.pass.key -out lvh.me.key

# 3) Get rid of private key
$ rm lvh.me.pass.key

artanikin

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

artanikin

### Nginx ###
check process nginx with pidfile /opt/nginx/logs/nginx.pid
  start program = "/etc/init.d/nginx start"
  stop program = "/etc/init.d/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 127.0.0.1 port 80 protocol http then restart
  if 3 restarts within 5 cycles then timeout
  

artanikin

Trix.config.lang =
  bold: "Жирный"
  bullets: "Маркерованный список"
  byte:  "Байт"
  bytes: "Байты"
  captionPlaceholder: "Введите описание здесь…"
  captionPrompt: "Добавить описание…"
  code: "Код"
  heading1: "Заголовок"
  indent: "Увеличить уровень"

artanikin

Setup

Replace IRB with Pry (in your Gemfile) and Byebug with pry-byebug.

gem 'pry-rails', group: [:development, :test]
gem 'pry-byebug', group: [:development, :test]

Using PRY

artanikin

module BootstrapPaginationHelper
  class LinkRenderer < WillPaginate::ActionView::LinkRenderer
    protected

      def page_number(page)
        if page == current_page
          link(page, "#", :class => 'active')
        else
          link(page, page, :rel => rel_value(page))
        end

artanikin

#!/usr/bin/env ruby

ADDED_OR_MODIFIED = /^\s*(A|AM|M)/.freeze

changed_files = `git status --porcelain`.split(/\n/)
unstaged_files = `git ls-files -m`.split(/\n/)

changed_files = changed_files.select { |f| f =~ ADDED_OR_MODIFIED }
changed_files = changed_files.map { |f| f.split(" ")[1] }