10 things you need to know about leaving shared hosting

Jonathan Perlman
August 17, 2014
Montreal, Quebec
@jpurpleman
jonathan@purpleman.org
http://purpleman.org/wcmtl
@

 + 10 years as
a web developer
at Dawson College
 + 6 years teaching
the World Wide Web
and Microsoft Office
 + 4 years using and
learning WordPress
 I’m not a Linux network
administrator
 I’m not a security expert
Jonathan Perlman - WordCamp Montreal 2014 August 17, 2014
Image credit: alexidagher.com

Image credit: office.com

Image credit: commons.wikimedia.org

Restrictions
Software limitations
Can’t modify
configurations
Resources
CPU intense
Noisy neighbors
Reliability
Downtime
Lack of support

Image credit: flickr (roger4336 )

UnmanagedManaged
Image credit: commons.wikimedia.org Image credit: flickr (retropc )

Managed
Shared hosting for
WordPress
Support knows
WordPress
Relevantly easy and
hands off
Costly in $$$
Unmanaged
Learning curve
Very DIY
“ Painful “
Costly in time

WPEngine http://wpengine.com
WebSynthesis http://websynthesis.com
Flywheel http://getflywheel.com
Page.ly https://pagely.com
Pressable http://pressable.com
SiteGround http://siteground.com

Digital Ocean http://www.digitalocean.com
Linode https://www.linode.com
Media Temple
http://mediatemple.net/webhosting/
vps/developer/
Site5 http://www.site5.com

RAM CPU
Disk
Space
Image credit: commons.wikimedia.org

purpleman.org
• Photo clients
• Personal use
• Ram: 1 Gig
• CPU: 1 Core
• Disk: 30 Gigs
snookercanada.ca
• Snooker players
• Media relations
• Ram: 2 Gigs
• CPU: 2 Cores
• Disk: 40 Gigs
dawsoncollege.qc.ca
• + 10,000 students
• + 1,000 faculty / staff
• Ram: 16 Gigs
• CPU: 4 Core
• Disk: 128 Gigs

DNS
Linux Web
PHP Db

 CloudFlare
 https://www.cloudflare.com
 Easydns
 https://www.easydns.com
 DNS with domain or hosting provider
 Local “Hosts” file

 Stable
 CentOS 7
Supported till 2024
 Bleeding edge
 Ubuntu 14.04 LTS
Supported till 2019

 cPanel
 www.cpanel.net
 Parallels Plesk
 sp.parallels.com/
products/plesk/
 ZPanel
 www.zpanelcp.com

 Text Editor
 vi / nano
 File System
 cd & ls
 cp & mv & rm
 mkdir
 Permissions
 chmod & chown
 Process Management
 ps & top
 Kill
 http://www.ee.surrey.ac.uk/
Teaching/Unix/

Stan Lee

Image credit: sapienstoonz.deviantart.com

 All powerful server administrator
 Terminal Root User = WordPress Admin User
 Constantly targeted and attacked
 New servers are under attack in hours

 Change it’s password
 Make it a super secure password!
 Deny Root from remote login
 Create a non-admin user account
 Assign admin rights with VISUDO
 https://www.digitalocean.com/community/tutorials/initial-server-setup-with-centos-6

 Generating keys
 http://kb.siteground.com/how_to_generate_an_ssh_key_on_windows_using_putty/
 http://coolestguidesontheplanet.com/make-passwordless-ssh-connection-osx-10-9-
mavericks-linux/
 Set up keys on the server Login via SSH keys
 https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys--2

 Block everything
 Allow specific ports from specific IPs
 22 – SSH
 80 – Web
 443 – Secure Web
 3306 – MySql
 Allowing for dynamic IPs
 Use hit count rules
 https://github.com/jpurpleman/linux
 http://cyberciti.biz/tips/linux-iptables-examples.html

Image credit: support.Microsoft.com
 yum update for CentOS
 apt-get update for Ubuntu

 Apache or Nginx
 Use virtual hosting for multiple domains
 Create development domains
 .htaccess is off by default in Apache
 Change “AllowOverride” to All
 https://www.digitalocean.com/community/
tutorials/how-to-set-up-apache-virtual-hosts-on-centos-6

php.ini
 allow_url_fopen
 session.gc_maxlifetime
 disable_functions
 display_errors
 post_max_size
 memory_limit
 max_execution_time
 upload_max_filesize
.htaccess
 php_value
upload_max_filesize
10M
http://php.net/manual/en/ini.list.php

 MySql or MariaDB
 Setup steps
 Set a secure root user
 Remove test database
 Create web user with limited access
 Create yourself a user with full access
tutorials/a-basic-mysql-tutorial

 Download and extract
 Create the database
and a user
 Set up wp-config.php
 Run the install script
 http://codex.wordpress.org/
Installing_WordPress

Hardening_WordPress
Changing_File_Permissions

 Home directory
 Root home directory
 Configuration directory
 Web files
 Database
 Automysqlbackup
http://sourceforge.net/projects/automysqlbackup/
Image credit: memofixdatarecovery.com

 http://aws.amazon.com/backup-storage
 http://mozy.com/product/solutions/
server-backup
 https://www.jungledisk.com/

 Google Apps for Business
 http://www.rackspace.com/email-hosting/
 https://www.fastmail.fm
 https://www.zoho.com/mail
 https://www.pobox.com/

 Uptime Robot
 Pingdom
 New Relic
Image credit: opmlink.com

 Get a virtual private server – call it professional development
 Set it up
 Play around – learn!
 Edit your hosts file and point your domain to the server
 Create a development WordPress site
 Setup your WordPress site
 Create a production WordPress site
 Change the DNS!
 You’re live!

 Setting up and configuring SSL
 2 Servers - Web & MySQL
 Varnish / Memcache for caching

 https://www.linode.com/docs
 http://www.youtube.com/user/TJsWebDev/
 http://www.cyberciti.biz
 http://www.rosehosting.com/blog
 http://www.servermom.org
 http://www.tecmint.com
 http://webchat.freenode.net/?channels=digitalocean&uio=d4

Mike Johnson.
http://gdargaud.net/Humor/QuotesHardwareSoftware.html

August 17, 2014Jonathan Perlman - WordCamp Montreal 2014
Questions
Thank
you!
Jonathan Perlman
August 17, 2014
Montreal, Quebec
@jpurpleman
jonathan@purpleman.org
http://purpleman.org/wcmtl
@

10 things you need to know about leaving shared hosting

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10 things you need to know about leaving shared hosting