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@gmccreight
gmccreight / master.vim
Last active Aug 31, 2019
A script that gives you a playground for mastering vim
View master.vim
" copy all this into a vim buffer, save it, then...
" source the file by typing :so %
" Now the vim buffer acts like a specialized application for mastering vim
" There are two queues, Study and Known. Depending how confident you feel
" about the item you are currently learning, you can move it down several
" positions, all the way to the end of the Study queue, or to the Known
" queue.
" type ,, (that's comma comma)
View windows-vm-openstack.md

Create a Windows OpenStack VM with VirtualBox

0. Obtain Windows ISO

  • Use an existing ISO or copy from a CD with dd if=/dev/cdrom of=image.iso

1. Boot VirtualBox VM from Windows ISO

  • Qcow disk type
  • 40GB Root Disk
  • Load your Windows ISO to the Primary CD drive
  • Add a secondary CD drive and attach the VirtIO ISO to it
@wsargent
wsargent / docker_cheat.md
Last active Sep 9, 2019
Docker cheat sheet
View docker_cheat.md
@meleyal
meleyal / osx.sh
Last active Feb 7, 2019
OSX defaults, based on http://mths.be/osx
View osx.sh
##
# OSX defaults, based on http://mths.be/osx
#
# Ask for the administrator password upfront
sudo -v
# Set computer name (as done via System Preferences → Sharing)
sudo scutil --set ComputerName "air"
sudo scutil --set HostName "air"
@dergachev
dergachev / GIF-Screencast-OSX.md
Last active Oct 18, 2019
OS X Screencast to animated GIF
View GIF-Screencast-OSX.md

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Screencapture GIF

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

View alfred.rb
dmg_package "Alfred" do
volumes_dir "Alfred.app"
source "http://cachefly.alfredapp.com/alfred_1.3.1_261.dmg"
checksum "c951c4dc05ff1091359358d710142cabef2c190be41f799244669f879cff7e80"
action :install
owner WS_USER
end
@marktheunissen
marktheunissen / pedantically_commented_playbook.yml
Created Jun 23, 2012 — forked from phred/pedantically_commented_playbook.yml
Insanely complete Ansible playbook, showing off all the options
View pedantically_commented_playbook.yml
---
# ^^^ YAML documents must begin with the document separator "---"
#
#### Example docblock, I like to put a descriptive comment at the top of my
#### playbooks.
#
# Overview: Playbook to bootstrap a new host for configuration management.
# Applies to: production
# Description:
# Ensures that a host is configured for management with Ansible.
@hellerbarde
hellerbarde / latency.markdown
Created May 31, 2012 — forked from jboner/latency.txt
Latency numbers every programmer should know
View latency.markdown

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns  = 250 µs
@mpasternacki
mpasternacki / 00-packages_builder.rb
Created May 29, 2012
Debian packaging continuous integration
View 00-packages_builder.rb
# Chef resources describing how to set up package repository server,
# simplified fromactual cookbook (not open sourced yet). Sets up apt
# repository in /srv/apt directory, with system user "apt-repo". Packages
# are GPG-signed to prevent apt-get from complaining on every install.
#
# Directory /srv/apt should be reachable to clients via http or other
# means. This is left as an exercise for the reader.
#
# For extra explanations, see:
# http://joseph.ruscio.org/blog/2010/08/19/setting-up-an-apt-repository/
@pksunkara
pksunkara / .gitconfig
Last active Oct 18, 2019
Sample of git config file (Example .gitconfig)
View .gitconfig
[user]
name = Pavan Kumar Sunkara
email = pavan.sss1991@gmail.com
username = pksunkara
[core]
editor = vim
whitespace = fix,-indent-with-non-tab,trailing-space,cr-at-eol
excludesfile = ~/.gitignore
[sendemail]
smtpencryption = tls
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