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@KartikTalwar
KartikTalwar / Documentation.md
Last active May 9, 2024 12:59
Rsync over SSH - (40MB/s over 1GB NICs)

The fastest remote directory rsync over ssh archival I can muster (40MB/s over 1gb NICs)

This creates an archive that does the following:

rsync (Everyone seems to like -z, but it is much slower for me)

  • a: archive mode - rescursive, preserves owner, preserves permissions, preserves modification times, preserves group, copies symlinks as symlinks, preserves device files.
  • H: preserves hard-links
  • A: preserves ACLs
@felixge
felixge / command.sh
Created October 29, 2011 13:43
Bash stuff for fighting a weak DOS attack
# Here a few bash one-liners that helped me analyze / fight a weak DOS attack against debuggable.com. Mostly for future reference.
# The attacker was opening lots of tcp connections without sending data, I believe it's called a SYN flood, see: http://tools.ietf.org/html/rfc4987#section-3.2
# Step 0: Check what is going on at port 80
$ netstat -tan | grep ':80 ' | awk '{print $6}' | sort | uniq -c
# Step 1: Increase the number of available fds
$ ulimit -n 32000
# Step 2: Restart your webserver, for me:
@andyedinborough
andyedinborough / jquery.oauth.js
Created June 7, 2011 19:30
Introduces $.oauth() to make using OAuth from jQuery as easy as using $.ajax()
(function (window, document, $, undefined) {
if (!$.Deferred) throw 'jQuery 1.5 is required to use the jQuery.oauth script!';
function require(name, url) {
if (window[name] === undefined)
return $.ajax({ type: 'GET', cache: true, dataType: 'script', url: url });
}
$.oauth = function (options) {
var d = $.Deferred();
@ruidlopes
ruidlopes / gist:767143
Created January 5, 2011 22:23
you know you want to put this on your .bash_profile (OSX)
function hack() {
mkdir -p $1
cd $1
git init
mate .
}
@eb1024
eb1024 / Doo.php
Created September 14, 2009 16:33
<?php
function DB($query)
{
static $db = null;
static $result = array();
if (is_file($query) === true)
{
$db = new PDO('sqlite:' . $query, null, null, array(PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING));