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Importing & Migrating

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Importing & Migrating
  Stephanie Leary   sillybean.net   @sleary

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Who am I?
• sillybean.net

• uwc.tamu.edu

• pagedmedia.com

• @sleary

• slideshare.net/
  stephanieleary

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I’ve imported from...
• Blogger         • Joomla

• Movable Type    • Drupal

• Textpattern     • Twitter

• LiveJournal  ...

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Importing & Migrating

  1. 1. Importing & Migrating Stephanie Leary sillybean.net @sleary
  2. 2. Who am I? • sillybean.net • uwc.tamu.edu • pagedmedia.com • @sleary • slideshare.net/ stephanieleary
  3. 3. I’ve imported from... • Blogger • Joomla • Movable Type • Drupal • Textpattern • Twitter • LiveJournal • Gallery2 • WordPress.com • HTML files • CSV files • OPML files
  4. 4. HTML Import
  5. 5. Gallery2 Importer
  6. 6. Secrets of Happy Importing
  7. 7. Preparation • Back up • Prepare to undo • Import on development server • Or turn on maintenance mode • Turn off crossposting plugins • Use absolute URLs for linked files
  8. 8. Plugins • DB Backup http://wordpress.org/extend/plugins/wp-db-backup/ • Mass Page Remover http://wordpress.org/extend/plugins/mass-page-remover/ • WordPress Reset http://wordpress.org/extend/plugins/wordpress-reset/ • Maintenance Mode http://wordpress.org/extend/plugins/maintenance-mode/
  9. 9. WordPress export • Posts, pages, comments, authors • Uploads optional • No settings • No menus in 3.0 (fixed in 3.1) • Category slug issues • Skips users with no posts
  10. 10. Uncommon imports • Twitter http://wordpress.org/extend/plugins/twitter-importer/ • CSV http://wordpress.org/extend/plugins/csv-importer/ • Gallery2 http://wordpress.org/extend/plugins/gallery2-importer/ • HTML http://wordpress.org/extend/plugins/import-html-pages/
  11. 11. Uncommon imports • Joomla 1.0-1.5 http://tinyurl.com/joom2wp • Drupal • 6.x to WP 2.7x: http://tinyurl.com/dru6wp2 • 5.x to WP 2.3x: http://tinyurl.com/dru5wp2 • Other MySQL-based CMSs http://yoast.com/importing-from-another-mysql-into-wordpress/
  12. 12. Custom imports • wp_insert_post() docs http://codex.wordpress.org/Function_Reference/ wp_insert_post • Build the new post array • wp_insert_post( $newpost );
  13. 13. Character sets • define('DB_CHARSET', 'utf8'); • Try to convert the old db • work with a copy! • Alter the table http://codesnippets.joyent.com/posts/show/306 • Export Latin1, import UTF-8 http://alexking.org/blog/2008/03/06/mysql-latin1-utf8- conversion
  14. 14. After importing • Search & Replace http://wordpress.org/extend/plugins/search-and-replace/ • Redirection http://wordpress.org/extend/plugins/redirection/ • Add Linked Images to Gallery http://wordpress.org/extend/plugins/add-linked-images- to-gallery-v01/
  15. 15. Migrating Single Installations into Networks
  16. 16. Second verse... • Back up • Prepare to undo • Migrate on development server
  17. 17. XML or MySQL? • XML pros • MySQL pros • simple • complete • limited • complicated • slug bug • merging users • skipped users • manual edits
  18. 18. Moving databases • export all tables except users, usermeta • change table prefixes • change wp_userroles option name to match new table prefix
  19. 19. Moving users • Export users, usermeta • or specific rows • Manually change IDs • Stab yourself in the eye with a fork • http://sillybean.net/?p=6187
  20. 20. After migrating • Move static files • Change upload file paths http://yoursite.com/wp-content/ http://yoursite.com/files/ • options • posts • theme files
  21. 21. Combining .htaccess <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{HTTP_HOST} ^us.tamu.edu$ [NC] Redirect /forms.html http://us.tamu.edu/forms/ [R=301,NC] RewriteCond %{HTTP_HOST} ^ppip.tamu.edu$ [NC] Redirect /ppip/about/about.htm http://ppip.tamu.edu/ [R=301,NC] </IfModule>
  22. 22. Thank you. Stephanie Leary sillybean.net @sleary

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