amirkdv

#!/bin/bash
# Backup an entire LVM logical volume via a snapshot LV and rsync

[[ $( whoami ) != 'root' ]] && echo "sudo please" && exit 1

set -o errexit
set -o nounset

# LVM logical volume to backup
lv=book01

amirkdv

Questions to Ask Your Technical Interviewers

Questions marked as (HM) are best suited for the hiring manager.

Area: Alignment

• Why are you working at this company? What motivates you to stay?
• What’s something that if your team/org achieves this year, the entire company/leadership would notice?
• If you had a magic wand, what’s one thing you’d change about the company?
• (HM) If you had filled this role 2 months ago, what would they be doing now?

amirkdv

#!/bin/bash
#
# Usage:
# $ inspect-tls-cert.sh facebook.com

set -eux

server=${1:-"stripe.com"}
certfile=/tmp/${server}.cert
openssl_client_connect="openssl s_client -connect ${server}:443 -servername ${server}"

amirkdv

Behavioral Tests for Django

Table of Contents

• Background
• Django background
  • Django settings
  • Django migrations
  • Django model fixtures
• Behave

amirkdv

To be able to use PHP5 PDO with MS Access mdb files the following is required (the same applies for the PHP4 style of using odbc_X except for the obviously PDO specific requirements):

PHP ODBC module

In Linux this is achieved by intalling the php5-odbc package:

amirkdv

OOP in Python, A Graded Knowledge Check

Table of Contents

• Introduction
• Level 0 - Background Knowledge
  • 0A Types, values and variables
  • 0B What happens when a function is executed?
• Level 1
• 1A Classes and instances

amirkdv

XML-RPC Example

This is a toy example of XML-RPC in Python and Nodejs.

Usage:

$ python server.py

In a separate shell:

amirkdv

This is an example of using Linux Kernel's Transparent Proxy to route all TCP traffic to docker containers without having to resort to PROXY protocol which is not supported by some applications (e.g. sshd). To get the demo to work you only need vagrant installed:

git clone [this-gist] tproxy-demo
cd tproxy-demo
vagrant up

amirkdv

venv
pos.txt
neg.txt
plot.png

amirkdv

#!/usr/bin/env python
import sys
import argparse
import subprocess


REMOTE = 'origin'


class CmdError(RuntimeError):