Introduction toWordPress Multisite          Craig Taylor    Toronto WordPress Group     meetup.wptoronto.com
Intro to WordPress Multisite●   What is WordPress Multisite?●   Who, Where, Why?●   WordPress Multisite Examples●   Why No...
What is WordPress Multisite?
From the WordPress Codex:  “A multisite network is a collection of sites that all     share the same WordPress installatio...
What does that mean?●   Sites in a multisite network can share plugins    and themes.●   Individual sites in network are v...
What does that mean for you?     If your WordPress installation is at:          http://yoursitename.cawith a few keystroke...
And?●   Because there is only one installation of    WordPress, you can update the WordPress    installation for many site...
What about WordPress MU?●   WordPress “Multi-User”       –   aka WordPressµ or WPMU       –   prior to WordPress 3.0      ...
And after WordPress 3.0?●   WPMU code merged with WordPress core●   Multisite is part of all new WordPress    installation...
Who, Where, Why?
Who can use WP Multisite?●   Anyone, but..       –   get past the WP basics before jumping in       –   decide what you ar...
Where can you install Multisite?●   Self-hosted (.org) WordPress installations        –   confirm server requirements     ...
Why install WP Multisite?●   Run multiple sites of your own with easier    maintenance, upgrades, etc.●   Quick website de...
WordPress Multisite Examples
WP Multisite Showcase●   Spotted by Locals (spottedbylocals.com)●   The Daily Cougar (thedailycougar.com)●   Glen Urquhart...
Why Not?
Situations when you might         not want Multisite●   To categorize posts        –   use categories!●   For special post...
How to Set UpWordPress Multisite       (sort of)
Wait! Before you start!●   Are you sure you need/want multisite?●   Easiest to enable on a fresh installation.●   Not easy...
Wait, not yet!●   Decide on format (hard to change later)       –   Subdomains (site1.yoursitename.ca)               ●   n...
Allow Multisite●   Modify wp-config.php to add      define(WP_ALLOW_MULTISITE, true);
Network Setup●   Under Tools, there is now a new item:
Creating the Network
Enabling the Network
Network AdminLog out and back in, and:
Network Admin
New Registrations
Domain Mapping   Using WordPress MU Domain Mapping plugin            http://site1.yoursitename.ca                        c...
References●   WordPress Multisite 101 by Mika Epstein & Andrea Rennick    http://halfelf.org/ebooks/wordpress-multisite-10...
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
Introduction to WordPress Multisite
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Introduction to WordPress Multisite

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My presentation "Introduction to WordPress Multisite", from WordCamp Toronto 2012. A very basic introduction to multisite, what it is, what it can do, and references for additional information.

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Introduction to WordPress Multisite

  1. 1. Introduction toWordPress Multisite Craig Taylor Toronto WordPress Group meetup.wptoronto.com
  2. 2. Intro to WordPress Multisite● What is WordPress Multisite?● Who, Where, Why?● WordPress Multisite Examples● Why Not?● How to set up WordPress Multisite● Domain Mapping● References
  3. 3. What is WordPress Multisite?
  4. 4. From the WordPress Codex: “A multisite network is a collection of sites that all share the same WordPress installation....”
  5. 5. What does that mean?● Sites in a multisite network can share plugins and themes.● Individual sites in network are virtual sites: – dont have their own directories on server – do have separate directories for media – do have separate tables in database
  6. 6. What does that mean for you? If your WordPress installation is at: http://yoursitename.cawith a few keystrokes, you can add additional WordPress sites at: http://site1.yoursitename.ca or http://yoursitename.ca/site1 (but not both....more on that later)
  7. 7. And?● Because there is only one installation of WordPress, you can update the WordPress installation for many sites, all at once.● You can install and update plugins and themes for many sites, all at once.● You get to call yourself Super Admin!● Problems may hit many sites, all at once.
  8. 8. What about WordPress MU?● WordPress “Multi-User” – aka WordPressµ or WPMU – prior to WordPress 3.0 – forked from WordPress code, maintained in parallel, but still separate project – some plugins & themes worked....... – ….. and some didnt
  9. 9. And after WordPress 3.0?● WPMU code merged with WordPress core● Multisite is part of all new WordPress installations...it just isnt turned on.● Setting up WordPress Multisite is easier than ever, which is a good thing.....● ….and a bad thing. (But mostly good!)
  10. 10. Who, Where, Why?
  11. 11. Who can use WP Multisite?● Anyone, but.. – get past the WP basics before jumping in – decide what you are going to use it for and whether you really need it – must have server access (FTP, cPanel File Manager, etc.) to modify files – dont practice on a live site!
  12. 12. Where can you install Multisite?● Self-hosted (.org) WordPress installations – confirm server requirements – must have access to modify files – some hosts frown on it or dont allow it● Local installations – sub-folders (http://yoursitename.ca/site1)
  13. 13. Why install WP Multisite?● Run multiple sites of your own with easier maintenance, upgrades, etc.● Quick website development/testing.● Manage client sites, control access.● Private network (school/teacher blogs).● Hyperlocal sites (regional news, etc.)● Offer a public blog/site hosting service.
  14. 14. WordPress Multisite Examples
  15. 15. WP Multisite Showcase● Spotted by Locals (spottedbylocals.com)● The Daily Cougar (thedailycougar.com)● Glen Urquhart School (gus.org)● Best Buy (local store sites)● Reuters Blogs (blogs.reuters.com/us/)● Happy Tables (happytables.com)● WordPress.com
  16. 16. Why Not?
  17. 17. Situations when you might not want Multisite● To categorize posts – use categories!● For special post types (eg. videos) – use custom post types● When you need separate user databases● If users need to include JS, iframes, etc.● If users need to install themes, plugins● Hosting small client sites
  18. 18. How to Set UpWordPress Multisite (sort of)
  19. 19. Wait! Before you start!● Are you sure you need/want multisite?● Easiest to enable on a fresh installation.● Not easy to undo (but it can be done...)● If you MUST enable on an existing site BACK EVERYTHING UP!!● Dont follow my instructions, go to: http://halfelf.org/ebooks/wordpress-multisite-101/ http://halfelf.org/ebooks/wordpress-multisite-110/
  20. 20. Wait, not yet!● Decide on format (hard to change later) – Subdomains (site1.yoursitename.ca) ● need wildcard subdomains on server (ie. *.yoursitename.ca) ● web host must allow, and you must create – Subfolders (yoursitename.ca/site1) ● wildcard subdomains not required ● only way for local install (no wildcards) ● issues with converting older sites
  21. 21. Allow Multisite● Modify wp-config.php to add define(WP_ALLOW_MULTISITE, true);
  22. 22. Network Setup● Under Tools, there is now a new item:
  23. 23. Creating the Network
  24. 24. Enabling the Network
  25. 25. Network AdminLog out and back in, and:
  26. 26. Network Admin
  27. 27. New Registrations
  28. 28. Domain Mapping Using WordPress MU Domain Mapping plugin http://site1.yoursitename.ca can become http://site1.ca (any domain you control)http://wordpress.org/extend/plugins/wordpress-mu-domain-mapping/
  29. 29. References● WordPress Multisite 101 by Mika Epstein & Andrea Rennick http://halfelf.org/ebooks/wordpress-multisite-101/● Wordpress Multisite 110 by Mika Epstein http://halfelf.org/ebooks/wordpress-multisite-110/● WP E-Books (Ron & Andrea Rennick) http://wpebooks.com/● codex.wordpress.org/Create_A_Network● codex.wordpress.org/Network_Admin● codex.wordpress.org/Multisite_Network_Administration Craig Taylor.... craig@vrtoronto.ca Toronto WordPress Group.... meetup.wptoronto.com
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