| def self.parse_config(file) | |
| config = {} | |
| File.open(file).each_line do |line| | |
| line.strip! | |
| # skip lines with comments or blank lines | |
| next if /^\#/.match(line) | |
| next if /^\s*$/.match(line) | |
| # store which group in the config the line belongs to (e.g. [mysqld]) |
| namespace :status do | |
| desc "Displays memory usage" | |
| task :memory do | |
| mem = capture("free -m | grep Mem").squeeze(" ").split(" ")[1..-1] | |
| total, used, free, shared, buffers, cached = mem | |
| puts "\nMemory in (MBs)" | |
| puts "----------------------------" | |
| puts "Total: #{total}" | |
| puts "Used: #{used}" |
##How Homakov hacked GitHub and the line of code that could have prevented it
Please note: THIS ARTICLE IS NOT WRITTEN BY THE GITHUB TEAM or in any way associated with them. It's simply hosted as a Gist because the markdown formatting is excellent and far clearer than anything I could manage on my personal Tumblr at peternixey.com.
If you'd like to follow me on twitter my handle is @peternixey
| namespace :log_resque do | |
| desc "Print out (every 2 seconds) the number of busy and total workers for Resque" | |
| task :working do | |
| # In your Rails app directory : | |
| # bundle exec rake log_resque:working --silent >> log/resque_working.log & | |
| interval = 2.0 | |
| # Partitionning | |
| fdisk /dev/sda (n p 1, a 1, t 1 fd, w) | |
| sfdisk -d /dev/sda | sfdisk /dev/sdb | |
| # RAID 1 | |
| mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1 --assume-clean | |
| # LVM | |
| pvcreate /dev/md0 | |
| vgcreate debian /dev/md0 |
| #!/bin/sh | |
| set -e | |
| if [ -z "$1" ]; then | |
| ruby-build --definitions | |
| exit 1 | |
| fi | |
| if [ -z "$2" ]; then | |
| rev=1 |
| namespace :deploy do | |
| desc "Configure logrotate" | |
| task :logrotate, :roles => :install do | |
| config_file = "/etc/logrotate.d/app_#{rails_env}" | |
| config_lines = ["daily", | |
| "rotate 10", | |
| "missingok", | |
| "nocompress", | |
| "sharedscripts", |
This installs a patched ruby 1.9.3-p327 with various performance improvements and a backported COW-friendly GC, all courtesy of funny-falcon.
You will also need a C Compiler. If you're on Linux, you probably already have one or know how to install one. On OS X, you should install XCode, and brew install autoconf using homebrew.
| #! /usr/bin/ruby | |
| # | |
| # A script to check Amazon Webservice's Health Status Dashboard | |
| # | |
| # Jens Braeuer, github.com/jbraeuer | |
| # | |
| # Version 1.0 | |
| # |
| # Cookbook Name:: mongodb | |
| # Recipe:: default | |
| case node['platform'] | |
| when "ubuntu" | |
| execute "apt-get update" do | |
| action :nothing | |
| end | |
| execute "add gpg key" do |
