Jesse Nickles jessuppi

Linux simple performance tweaks

Change the I/O Scheduler

Open $ vim /etc/default/grub then add elevator=noop next to GRUB_CMDLINE_LINUX_DEFAULT. Run $ update-grub and $ cat /sys/block/sda/queue/scheduler to be sure that noop is being used:

$ vim /etc/default/grub
$ update-grub
$ cat /sys/block/sda/queue/scheduler

[noop] deadline cfq

Setting up a SSL Cert from Comodo

I use Namecheap.com as a registrar, and they resale SSL Certs from a number of other companies, including Comodo.

These are the steps I went through to set up an SSL cert.

	#!/bin/sh

	###########################################################
	# SYNC UP A STAGED WORDPRESS SITE WITH PRODUCTION CONTENT

	# Author: Gary Martellino
	# Company: Toi (http://toi.io)
	#
	# script assumes only the theme is versioned or unique, there are
	# two separate wordpress installs running: 1 in production, 1 for staging.

	<?php
	/*
	OCP - Opcache Control Panel (aka Zend Optimizer+ Control Panel for PHP)
	Author: _ck_ (with contributions by GK, stasilok)
	Version: 0.1.7
	Free for any kind of use or modification, I am not responsible for anything, please share your improvements

	* revision history
	0.1.7 2015-09-01 regex fix for PHP7 phpinfo
	0.1.6 2013-04-12 moved meta to footer so graphs can be higher and reduce clutter

	<?php
	/*
	Plugin Name: [RPC] XMLRPCless Blog
	Plugin URI: http://earnestodev.com/
	Description: Disable XMLRPC advertising/functionality blog-wide.
	Version: 0.0.7
	Author: EarnestoDev
	Author URI: http://earnestodev.com/
	*/
	// Disable X-Pingback HTTP Header.

	# This number should be, at maximum, the number of CPU cores on your system.
	# (since nginx doesn't benefit from more than one worker per CPU.)
	worker_processes 24;

	# Number of file descriptors used for Nginx. This is set in the OS with 'ulimit -n 200000'
	# or using /etc/security/limits.conf
	worker_rlimit_nofile 200000;

	# only log critical errors
	error_log /var/log/nginx/error.log crit

	<?php
	/*
	Plugin Name: Heartbeat API Demo
	Plugin URI: http://www.strangerstudios.com/wp/heartbeat-api-demo
	Description: Minimal example demonstrating the WordPress Heartbeat API being added in WP version 3.6.
	Version: .1
	Author: strangerstudios

	If logged in as a user and viewing the frontend of your website,
	every 15 seconds you should see the following in your Javascript console:

	<?php
	/**
	* == About this Gist ==
	*
	* Code to add to wp-config.php to enhance information available for debugging.
	*
	* You would typically add this code below the database, language and salt settings
	*
	* Oh.. and do make sure you change the path to the log file to a proper file path on your server (make sure it exists).
	*

	# Basically the nginx configuration I use at konklone.com.
	# I check it using https://www.ssllabs.com/ssltest/analyze.html?d=konklone.com
	#
	# To provide feedback, please tweet at @konklone or email [email protected].
	# Comments on gists don't notify the author.
	#
	# Thanks to WubTheCaptain (https://wubthecaptain.eu) for his help and ciphersuites.
	# Thanks to Ilya Grigorik (https://www.igvita.com) for constant inspiration.

	server {

	# to generate your dhparam.pem file, run in the terminal
	openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

Jesse Nickles jessuppi

Linux simple performance tweaks

Change the I/O Scheduler

Setting up a SSL Cert from Comodo

Purchase the cert