Alex Yu yukal

🙃

Haven't you tried it like this? ))

Software Engineer

yukal / fixed_typeof.js

Last active August 7, 2020 10:42

	function getType(obj) {
	const signature = Object.prototype.toString.call(obj);
	return signature.slice(8,-1).toLowerCase();
	}

	const cases = [
	// undefined
	undefined,

	// null

yukal / ssl_signature.js

Last active June 27, 2020 22:36

Create and check signature

	// Create certificate
	// https://www.akadia.com/services/ssh_test_certificate.html
	//
	// 1. Generate a Private Key
	// openssl genrsa -des3 -out ssl.key 4096
	//
	// 2. Generate a CSR (Certificate Signing Request)
	// openssl req -new -key ssl.key -out ssl.csr
	//
	// 3. Remove Passphrase from Key

yukal / usracc_wwwdata.sh

Last active July 31, 2019 05:56

Create a system account www-data with the same UID and GID

	# Create www-data account
	useradd -s /sbin/nologin -d /var/www -r -M -U -u 777 www-data

	# Set the ownership to www directory
	# chown -R root:www-data /var/www
	chown -R www-data:www-data /var/www

	# Set permissions of child files and directories inside the www directory
	find /var/www -type d -exec chmod 2775 {} +
	find /var/www -type f -exec chmod 0664 {} +

yukal / Vagrantfile

Created June 27, 2019 15:27

Vagrantfile bootstraping the gpg, nvm

	Vagrant.configure("2") do \|config\|
	config.vm.box = "debian/jessie64"
	config.vm.box_check_update = false
	config.vm.provider "virtualbox" do \|vb\|
	vb.name = "debian"
	vb.cpus = 1
	vb.memory = 1024
	vb.gui = false
	end

yukal / start-docker

Last active August 13, 2019 09:12

The universal bash script to start Docker container or image

	#!/usr/bin/bash

	# This is a bash script for backend serving
	# using the Docker
	#
	# Author: Yukal Alexander <[email protected]>
	# License MIT
	# Version: 3.0

	# Set variables

yukal / .bashrc

Last active March 22, 2022 18:15

.bashrc

	# Generate Hash
	# Usage:
	# genhash
	# genhash 64
	function genhash() {
	cat /dev/urandom \| tr -dc 'a-zA-Z0-9' \| fold -w ${1:-32} \| head -n 1
	}

	# Get External IP
	# External IP

yukal / demo-bash-colors.sh

Last active November 4, 2018 14:20

Bash Colors and Text Style Demonstration

	#!/bin/bash

	# Bash Color and Style Demonstration
	# Author: Yukal Alexander <[email protected]>
	# License MIT
	# Version: 3.0
	#
	# UTF-8 encoding table and Unicode characters
	# https://www.utf8-chartable.de/unicode-utf8-table.pl?start=9472&unicodeinhtml=dec

yukal / docker-vuejs

Last active November 11, 2018 16:23

Serving a vuejs project using docker and webpack

	#!/bin/sh

	# Author: Yukal Alexander <[email protected]>
	# License MIT
	# Version: 2.0

	# Usage:
	# * $ ./docker-vuejs init - Init Project (starts 'vue init webpack .')
	# - $ ./docker-vuejs - Start Project (starts 'webpack-dev-server')
	# $ ./docker-vuejs clean - Remove Project

yukal / backup-boot-sector.sh

Last active December 13, 2017 12:47

Backup and restore boot sector

	#!/bin/bash

	# BACKUP

	# Save info in text-file (parted)
	sudo parted /dev/sdX print > sdX-partiotion.info
	# Save info in text-file (sfdisk)
	sudo sfdisk -d /dev/sdX > sdX-partiotion.info
	# Save info in text-file (gdisk)
	sudo gdisk -l /dev/sdX > sdX-partiotion.info

yukal / archlinux.sh

Last active December 16, 2017 09:00

archlinux.sh