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@conarro
conarro / inventory.rb
Created March 27, 2014 19:32
AWS EC2 Inventory script
#!/usr/bin/ruby
require 'dotenv'
require 'aws'
require 'csv'
# patch instance to return runtime
class AWS::EC2::Instance
def runtime
@runtime ||= Time.now - launch_time
@k3karthic
k3karthic / truncate_dynamodb.sh
Last active July 12, 2022 18:56
Truncate all keys in a dynamodb table
#!/bin/bash
TABLE_NAME=$1
# Get id list
aws dynamodb scan --table-name $TABLE_NAME | grep ID | awk '{ print $2 }' > /tmp/truncate.list
# Delete from id list
cat /tmp/truncate.list | xargs -IID aws dynamodb delete-item --table-name $TABLE_NAME --key '{ "id": { "S": "ID" }}'
@kevin-smets
kevin-smets / iterm2-solarized.md
Last active May 17, 2025 20:49
iTerm2 + Oh My Zsh + Solarized color scheme + Source Code Pro Powerline + Font Awesome + [Powerlevel10k] - (macOS)

Default

Default

Powerlevel10k

Powerlevel10k

@cbednarski
cbednarski / camera.py
Last active February 17, 2024 05:54
Webcam capture for python - Pops up a preview from your webcam and snaps a picture when you press 'q'
import cv2
# Windows dependencies
# - Python 2.7.6: http://www.python.org/download/
# - OpenCV: http://opencv.org/
# - Numpy -- get numpy from here because the official builds don't support x64:
# http://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy
# Mac Dependencies
# - brew install python
@mjbommar
mjbommar / clean_orphaned_snapshots.py
Created March 2, 2013 13:10
Cleans orphaned snapshots from an EC2 account. Requires boto config.
'''
@author Bommarito Consulting, LLC
@date 20120622
Identify and, if requested, remove orphaned snapshots from an EC2 account.
'''
# Imports
import boto
@mcansky
mcansky / gist:3434417
Created August 23, 2012 08:59
signing an aws s3 url
# encoding : utf-8
require 'openssl'
require 'digest/sha1'
require 'base64'
module Aws
extend self
def signed_url(path, expire_date)
digest = OpenSSL::Digest::Digest.new('sha1')
can_string = "GET\n\n\n#{expire_date}\n/#{S3_BUCKET}/#{path}"
@MohamedAlaa
MohamedAlaa / tmux-cheatsheet.markdown
Last active May 18, 2025 15:01
tmux shortcuts & cheatsheet

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname
@rwest
rwest / README
Created January 9, 2012 16:42 — forked from symposion/README
Convert OS X Keychain exported entries into logins for 1Password import
These two files should help you to import passwords from mac OS X keychains to 1password.
Assumptions:
1) You have some experience with scripting/are a power-user. These scripts worked for me
but they haven't been extensively tested and if they don't work, you're on your own!
Please read this whole document before starting this process. If any of it seems
incomprehensible/frightening/over your head please do not use these scripts. You will
probably do something Very Bad and I wouldn't want that.
2) You have ruby 1.9.2 installed on your machine. This comes as standard with Lion, previous
versions of OS X may have earlier versions of ruby, which *may* work, but then again, they