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yugoslavskiy / brew_auto_update.md
Last active March 25, 2017 16:36
A brew update daemon for macOS

Brew update daemon

Usually, I update brew/cask tools using bash function with a commands listed below:

brew update
brew upgrade
brew cleanup --force
brew cask cleanup --force
brew prune
@yugoslavskiy
yugoslavskiy / ssh_hardening.sh
Last active March 5, 2017 23:47
#!/usr/bin/env bash
#
# This script hardens new Debian instance securing ssh.
#
# WARNING: You have to create users and store their ssh
# keys in ~/.ssh/authorized_keys on the server BEFORE run it.
#
# created date: 02.2016
# last update date: 06.02.2017
# author: @yugoslavskiy
@yugoslavskiy
yugoslavskiy / create_user.sh
Last active March 5, 2017 23:46
#!/usr/bin/env bash
#
# Arguments:
# - username
# - user pass
# - user rsa pub key
#
# This script:
# - creates user with password
# - adds user into sudoers and sshusers group
@yugoslavskiy
yugoslavskiy / c_note.md
Last active February 12, 2017 15:21
to Ann Weine with love

Introduction

В данный момент появилось большое количество языков, которые позиционируют себя как иструменты для достижения различных целей, начиная от достижения memory safety вплоть до абстракции от всего и управление этими примитивами. Тем не менее, язык С остается до сих пор востребованным. Этому есть несколько причин.

  • На этом языке написаны основные модули операционных систем

  • До сих пор множество программного обеспечения пишется на си, в частности для embedded-устройств

  • Этот язык позволяет понять принципы работы с памятью, для того, чтобы избежать распространенные уязвимости, которые могут привести к серьезным утечкам данных или system compromise.

@yugoslavskiy
yugoslavskiy / keybase.md
Created November 26, 2016 11:05
Keybase proof

Keybase proof

I hereby claim:

  • I am yugoslavskiy on github.
  • I am yugoslavskiy (https://keybase.io/yugoslavskiy) on keybase.
  • I have a public key ASBnIEuSjlLg04Jqnfi63GoWQIB06EiHdvz5z7MJlF6CSAo

To claim this, I am signing this object:

@yugoslavskiy
yugoslavskiy / post-commit.sh
Last active September 26, 2016 08:51
Post-commit hook script to make actual master branch archive in every commit
#!/bin/bash
#
# created date: 26.09.2016
# last update date: 26.09.2016
# author: @yugoslavskiy
#
# post-commit hook script to make actual master branch archive in every commit
# 1) save it as a .git/hooks/post-commit
# 2) create .git/hooks/last_hooked_commit — first time it has to be previous commit hash:
# $ git log -1 --format="%H" > .git/hooks/last_hooked_commit
@yugoslavskiy
yugoslavskiy / Custom_HTML_Signature_in_Apple_Mail_app.md
Last active May 7, 2022 22:57
Custom Apple Mail HTML signature creation guide
@yugoslavskiy
yugoslavskiy / Symanitron_S300_DMVPN.md
Last active January 3, 2017 17:03
Symanitron S300: Рабочая конфигурация DMVPN Phase I с двумя каналами связи (3G и витая пара) с отказоустойчивостью посредством OSPF.

Symanitron S300 DMVPN

created date: 19.01.2015
author: @yugoslavskiy

Description

Рабочая конфигурация DMVPN Phase I с двумя каналами связи (3G и витая пара) с отказоустойчивостью посредством OSPF.

Network scheme

@yugoslavskiy
yugoslavskiy / imgcat.sh
Created May 25, 2016 05:14
#!/usr/bin/env bash
# original file:
# https://raw.githubusercontent.com/gnachman/iTerm2/master/tests/imgcat
# tmux requires unrecognized OSC sequences to be wrapped with DCS tmux;
# <sequence> ST, and for all ESCs in <sequence> to be replaced with ESC ESC. It
# only accepts ESC backslash for ST.
function print_osc() {
if [[ $TERM == screen* ]] ; then
@yugoslavskiy
yugoslavskiy / generate_ssh_rsa_keys.sh
Last active October 4, 2017 09:22
Script to create encrypted rsa keys and server profile (alias) in your ssh_config.
#!/usr/bin/env bash
#
# Script to create rsa keys and server profile (alias) in your ssh_config.
#
# created date: 20.03.2016
# last update date: 11.05.2017
# author: @yugoslavskiy
#
usage () {