arabcoders

On Tue Oct 27, 2015, history.state.gov began buckling under load, intermittently issuing 500 errors. Nginx's error log was sprinkled with the following errors:

2015/10/27 21:48:36 [crit] 2475#0: accept4() failed (24: Too many open files) 2015/10/27 21:48:36 [alert] 2475#0: *7163915 socket() failed (24: Too many open files) while connecting to upstream...

An article at http://www.cyberciti.biz/faq/linux-unix-nginx-too-many-open-files/ provided directions that mostly worked. Below are the steps we followed. The steps that diverged from the article's directions are marked with an *.

1. • Instead of using su to run ulimit on the nginx account, use ps aux | grep nginx to locate nginx's process IDs. Then query each process's file handle limits using cat /proc/pid/limits (where pid is the process id retrieved from ps). (Note: sudo may be necessary on your system for the cat command here, depending on your system.)
2. Added fs.file-max = 70000 to /etc/sysctl.conf
3. Added `nginx soft nofile 1

arabcoders

In August 2007 a hacker found a way to expose the PHP source code on facebook.com. He retrieved two files and then emailed them to me, and I wrote about the issue:

http://techcrunch.com/2007/08/11/facebook-source-code-leaked/

It became a big deal:

http://www.techmeme.com/070812/p1#a070812p1

The two files are index.php (the homepage) and search.php (the search page)

arabcoders

#!/bin/bash
#Dir where easy-rsa is placed
EASY_RSA_DIR="/etc/openvpn/easy-rsa"
KEYS_DIR="$EASY_RSA_DIR/keys"

# Path to tls auth file.
TLS_AUTH_PATH="/etc/openvpn/ta.key"

# Dir where profiles will be placed
OVPN_PATH="/root/ovpn"

arabcoders

   protected function bbcode($bbcode)
    {
        $bbcode = str_replace("\n", "  \n", $bbcode);

        $bbcode = str_replace("[b]", "**", $bbcode);
        $bbcode = str_replace("[/b]", "**", $bbcode);

        $bbcode = str_replace("[i]", "*", $bbcode);
        $bbcode = str_replace("[/i]", "*", $bbcode);

arabcoders

#!/bin/bash

# Created on 7/17/13 by Ryan Sechrest
# Deploys pushed branch from the origin repository to the web directory

if [[ (-n $1) && (-n $2) && (-n $3) ]]; then

	# Set path to project directory
	project_path="/var/www/domains/$2/$3"

arabcoders

<?php
    /**
     * Create Binds for Array Elements.
     *
     * @param array $ids
     *
     * @return array
     * @throws \InvalidArgumentException
     */
    function inArrayBind( array $ids )

arabcoders

<?php

class SecureSessionHandler extends SessionHandler {

    protected $key, $name, $cookie;

    public function __construct($key, $name = 'MY_SESSION', $cookie = [])
    {
        $this->key = $key;
        $this->name = $name;

arabcoders

// ==UserScript==
// @name         Twitter Instagram Cards
// @namespace    http://arabcoders.co
// @author       ArabCoders, Orginally Written By: Chris Bradbury
// @version      2.0.1
// @description  Now that Instagram have pulled their twitter support, this script adds back inline instagram photos, fixed CSP in Chrome 29+
// @include      https://twitter.com/*
// @require      https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.js
// @grant        setTimeout
// @grant        GM_xmlhttpRequest

arabcoders

<?php

use PhpParser\Node;
use PhpParser\Node\Expr;

error_reporting(E_ALL);

ini_set('memory_limit', -1);

//$dir = __DIR__ . '/../../Symfony_2.3';

arabcoders

#!/bin/sh
#
# redis - this script starts and stops the redis-server daemon
#
# chkconfig:   - 85 15 
# description:  Redis is a persistent key-value database
# processname: redis-server
# config:      /etc/redis/redis.conf
# config:      /etc/sysconfig/redis
# pidfile:     /var/run/redis.pid