davydany

# soupkitchen
# -----------
# Runs vagrant commands for kitchen vms
function soupkitchen {
    BROWN_ORANGE="\033[0;33m"
    RED="\033[0;31m"
    NC="\033[0m" # No Color

    command=$1;

davydany

# thanks to https://github.com/stevenhaddox
# Set Our Root Path
::ROOT = File.dirname( File.expand_path( __FILE__ ) )

ENV['RACK_ENV'] ||= 'development'

require 'rubygems'

# Serve our index file by default
use Rack::Static ,

davydany

IP Tables (iptables) Cheat Sheet

IPTables is the Firewall service that is available in a lot of different Linux Distributions. While modifiying it might seem daunting at first, this Cheat Sheet should be able to show you just how easy it is to use and how quickly you can be on your way mucking around with your firewall.

Resources

The following list is a great set of documentation for iptables. I used them to compile this documentation.

• How-To Geek: The Beginner’s Guide to iptables, the Linux Firewall: https://www.howtogeek.com/177621/the-beginners-guide-to-iptables-the-linux-firewall/
• IPTables Essentials: Common Firewall Rules and COmmands https://www.digitalocean.com/community/tutorials/iptables-essentials-common-firewall-rules-and-commands

davydany

# Runs perfectly on CentOS 7

# Read all pids for "VBoxHeadless" process, and kill (-9) them.
while read -r pid; do
  echo "Killing VirtualBox Process '${pid}'..."
  kill -9 ${pid}
  echo "  OK Done."
done <  <(pgrep VBoxHeadless)

# Read all VirtualBox VMs, and unregister, then delete them

davydany

PostgreSQL Cheat Sheet

My personal Cheatsheet for PostgreSQL

Quick Commands

Creating a DB and Setting its Ownership

To create a database, you need to first ensure that the database's role exists first. Role and User are synonymous in PostgreSQL. Once you create the ROLE, you can create the Database and set the OWNER as the ROLE.

davydany

from sultan.api import Sultan

with Sultan.load(env={ 'HOME': '/tmp' }) as s:
  print s.echo("${HOME}").run()

davydany

How to Run a Process in the Background with TMUX

There are times when you need to log off your Linux Desktop, and you want a process to run in the background. TMUX manages this very well.

For this example, let's suppose you're running a long running task like running rspecs on your project and it is 5pm, and you need to go home.

Run Your Process

davydany

How to Upload to PyPi

Source: http://peterdowns.com/posts/first-time-with-pypi.html

I am writing this because the site is down and I'm only able to get it from Google Cache.

Create Your PyPiRC file

Create a new file in ~/.pypirc, and populate it with the following details:

davydany

Using pip wheels

Installation Instructions

Before using pip Wheels, you need to install the wheels library.

pip install wheel

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Tools for Network Monitoring

The purpose of this document is to show utilities that are available in the Linux world to monitor network traffic (so we're not reinventing the wheel).

Here are some good resources to read, but this file contains my favorite utilities:

• http://www.binarytides.com/linux-commands-monitor-network/