Roman Synkevych

Rails commands

irb - command to launch ruby interpreter in any directory
rails c - command lets you interact with your Rails application from the command line
reload! - reload rails environment if you had changed model functionality
gem outdated - show all outdated gems on project
gem update [<gem_name>] - update a specific gem
./bin/webpack-dev-server - start webpacker dev server for fast compiling
code $(bundle show gem_name) - shortcut to open a Ruby gem in VS Code

Info about the system

whoami current user name
hostname current pc name
cat /etc/os-release - info about current system getent group sudo | cut -d: -f4 - show all sudo users
su - user2 - switch between users
sudo chmod a+rwx folderName/* add all access to the folder
chown -R username directory - add full permission directory and to all files and directories in that directory
chowd -R u+rX directory - the same as previous

	FROM --platform=linux/amd64 ubuntu:18.04
	LABEL maintainer Synkevych Roman "[email protected]"

	RUN apt-get update && apt-get install -y \
	language-pack-en openssh-server vim software-properties-common \
	build-essential make gcc g++ zlib1g-dev git python3 python3-dev python3-pip \
	gfortran autoconf libtool automake flex bison cmake git-core \
	libeccodes0 libeccodes-data libeccodes-dev libeccodes-tools \
	libnetcdff-dev unzip curl wget

	#!/bin/sh

	echo "post-checkout hook will be executed"

	# source rvm and .rvmrc if present
	[ -s "$HOME/.rvm/scripts/rvm" ] && . "$HOME/.rvm/scripts/rvm"
	[ -s "$PWD/.rvmrc" ] && . "$PWD/.rvmrc"

	# rollback migrations if present
	OLDBRANCH=$1

	#!/bin/sh

	changed_files=`git status --short`
	if [ "$changed_files" ]; then
	echo "There some changes:"
	echo "$changed_files"
	echo "please commit or reset them, before push."
	exit 1
	else
	echo "There no changes, move on to the next task"

	#!/usr/bin/env ruby

	require 'English'
	require 'rubocop'

	ADDED_OR_MODIFIED = /A\|AM\|^M/.freeze

	changed_files = `git status --porcelain`.split(/\n/).
	select { \|file_name_with_status\|
	file_name_with_status =~ ADDED_OR_MODIFIED

	#!/bin/bash

	echo "This is a script to try automatically configure all project dependencies basid on Rails framework."

	# exit on the first error
	set -e

	echo "Check Ruby version"
	required_ruby_version=$(cat .ruby-version)
	current_ruby_version=`/usr/bin/ruby -e 'puts RUBY_VERSION'`

	<!DOCTYPE html>
	<html lang="en" >
	<head>
	<meta charset="UTF-8">
	<title>CodePen - Space 404</title>
	<style>
	html,
	body {
	height: 100%;
	width: 100%;