rbrooks’s gists

rbrooks / gist:2124882

Created March 19, 2012 19:17

SSH - Forward Tunnel

	# Use Case
	# --------
	# You have solely SSH (port 22) access to a box on a remote LAN.
	# You have no Admin access to the firewall to forward ports.
	# You need to browse the website on the box via a Web browser.

	# From your local, desktop machine:

	sudo ssh -NL 80:localhost:80 root@<IP or hostname>

rbrooks / gist:2480247

Created April 24, 2012 14:54

jQuery from Chrome Console

	// Paste these 7 lines into Chrome JS console.

	var script = document.createElement("script");
	script.setAttribute("src", "http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js");
	script.addEventListener('load', function() {
	var script = document.createElement("script");
	document.body.appendChild(script);
	}, false);
	document.body.appendChild(script);

rbrooks / gist:2512905

Created April 27, 2012 20:41

Changelog Generator

	#!/usr/bin/env ruby

	# Changelog Generator
	# Right now, this is date-based.
	# TODO: Changelog between two Tags, eg: --tags=1.0.0..1.0.1

	from_date = ARGV[0]

	cmd = `git log --no-merges --since='#{from_date}' --pretty='format:%ci::%an <%ae>::%s'`.split /\n/

rbrooks / gh_to_pt.rb

Created May 15, 2012 18:20

Migrate GitHub Issues to Pivotal Tracker

	#!/usr/bin/env ruby

	# Author: Russ Brooks, TelVue Corporation (www.telvue.com)
	# Description: Migrates GitHub Issues to Pivotal Tracker.
	# Dependencies: Ruby 1.9.2+
	# GitHub API gem: https://github.com/peter-murach/github
	# Pivtal Tracker gem: https://github.com/jsmestad/pivotal-tracker
	# 1. Change the constants below accordingly for your project.
	# 2. Change the options in list_repo() method for your GitHub project.
	# 3. Change the options in stories.create() method accordingly.

rbrooks / shape_bandwidth.sh

Created May 17, 2012 16:03

Bandwidth Shape (Throttle) a Network Interface

	#!/bin/bash
	#
	# tc uses the following units when passed as a parameter.
	# kbps: Kilobytes per second
	# mbps: Megabytes per second
	# kbit: Kilobits per second
	# mbit: Megabits per second
	# bps: Bytes per second
	# Amounts of data can be specified in:
	# kb or k: Kilobytes

rbrooks / ffmpeg_ffprobe.sh

Last active July 4, 2024 19:49

FFmpeg & FFprobe Cheatsheet

	# Don't use FFmpeg for metadata extraction. Use FFprobe.
	# Its output is geared toward parsabilty.
	# Container and stream information in JSON format:
	ffprobe -show_format -print_format json 'Serenity - HD Trailer.mp4'
	ffprobe -show_streams -print_format json 'Serenity - HD Trailer.mp4'

	# Human-readable values:
	ffprobe -show_format -pretty -print_format json 'Serenity - HD Trailer.mp4'

	# Trim video to first 30 seconds, without transcoding.

rbrooks / delete_all_but_certain_dirs.sh

Created June 11, 2012 20:12

Delete all but certain directories in current directory.

	# Do the Find first, as a trial run.

	find . -type d \( ! -iname "7604e960-3fc9-012f-2342-52540002105a" ! -iname "760660a0-3fc9-012f-2342-52540002105a" ! -iname "cac012a0-46b5-012f-1584-52540002105a" ! -iname "981fc740-8bf0-012f-2d2b-52540002105a" ! -iname "e268a4d0-95f6-012f-c815-52540002105a" \)

	# Then do the actual delete.

	find . -type d \( ! -iname "7604e960-3fc9-012f-2342-52540002105a" ! -iname "760660a0-3fc9-012f-2342-52540002105a" ! -iname "cac012a0-46b5-012f-1584-52540002105a" ! -iname "981fc740-8bf0-012f-2d2b-52540002105a" ! -iname "e268a4d0-95f6-012f-c815-52540002105a" ! -iname "a6e42e40-66fc-012f-f998-525400977599" \) -execdir rm -rfv {} +

rbrooks / diff_two_folders.sh

Created August 27, 2012 16:39

Find differences between two directory trees recursively

diff -qr dir dir2 | grep -v -e '.DS_Store' -e '.git' -e '.log' | sort > diffs.txt

rbrooks / regex.rb

Created September 24, 2012 16:38

Useful RegExs

	# Match from beginning of line to last occurrence of slash (/). Great for parsing filename off full paths.
	# ^./(?!./)

rbrooks / aspect_ratio_decimal_to_rational.rb

Created October 5, 2012 14:59

Convert Decimal Aspect Ratio to Rational in Ruby

Russell Brooks rbrooks