FerraBraiZ

# Changed to use content-type flag instead of header: -H 'Content-Type: application/json'
siege -c50 -t60S --content-type "application/json" 'http://domain.com/path/to/json.php POST {"ids": ["1","2","3"]}'

FerraBraiZ

#!/bin/bash -xe
# Verifies the connectivity and validity of the objects in the database
git fsck --full

# Manage reflog information
git reflog expire --expire=now --all

# Pack unpacked objects in a repository
git repack -a -d -l 

FerraBraiZ

<?php
declare(ticks = 1);

function handleExit($signal)
{
    error_log("Caught a $signal signal, a worker process exiting\n", 3, './error-child-log');
    exit(1);
}

pcntl_signal(SIGTERM, 'handleExit');

FerraBraiZ

Terraform Certification Revision

1 Understand Infrastructure as Code (IaC) concepts

Terraform by default provision concurrently 10 resources, to change use -parallelism=n on plan, apply and destroy commands.

Terraform is an immutable, declarative, Infraestructure as Code provisioning tool.

IaC provides benefits:

• Can be versioned

FerraBraiZ

Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

FerraBraiZ

<?php

// AWS data
$bucketName = "BUCKET-NAME";
$AWSAccessKeyId = "XXXXXXXXXXXXXXXXXXXX";
$AWSSecretAccessKey = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";

$date = date("Y-m-d");
$dateISO = date("Ymd");
$validTill = date('Y-m-d\TH:i:s.000\Z', time() + (60 * 60 * 4)); // 4 hours

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curl --header 'Authorization: token INSERTACCESSTOKENHERE' \
     --header 'Accept: application/vnd.github.v3.raw' \
     --remote-name \
     --location https://api.github.com/repos/owner/repo/contents/path

# Example...

TOKEN="INSERTACCESSTOKENHERE"
OWNER="BBC-News"
REPO="responsive-news"

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Sample config for 2 million web socket connection

    sysctl -w fs.file-max=12000500
    sysctl -w fs.nr_open=20000500
    # Set the maximum number of open file descriptors
    ulimit -n 20000000

    # Set the memory size for TCP with minimum, default and maximum thresholds 
 sysctl -w net.ipv4.tcp_mem='10000000 10000000 10000000'

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<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    <CORSRule>
        <AllowedOrigin>*</AllowedOrigin>
        <AllowedMethod>PUT</AllowedMethod>
        <AllowedMethod>POST</AllowedMethod>
        <AllowedMethod>GET</AllowedMethod>
        <AllowedMethod>HEAD</AllowedMethod>
        <MaxAgeSeconds>3000</MaxAgeSeconds>
        <AllowedHeader>*</AllowedHeader>

FerraBraiZ

/* Polyfill indexOf. */
var indexOf;

if (typeof Array.prototype.indexOf === 'function') {
    indexOf = function (haystack, needle) {
        return haystack.indexOf(needle);
    };
} else {
    indexOf = function (haystack, needle) {
        var i = 0, length = haystack.length, idx = -1, found = false;