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Importing & Migrating

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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 ofHappy 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( $newpost );
  13. 13. Character sets• define(DB_CHARSET, utf8);• Try to convert the old db • work with a copy! • Alter the table http://codesnippets.joyent.com/posts/show/306 • Export Latin1, import UTF-8 http://alexking.org/blog/2008/03/06/mysql-latin1-utf8- conversion
  14. 14. After importing• Search & Replace http://wordpress.org/extend/plugins/search-and-replace/• Redirection http://wordpress.org/extend/plugins/redirection/• Add Linked Images to Gallery http://wordpress.org/extend/plugins/add-linked-images- to-gallery-v01/
  15. 15. Migrating SingleInstallations into Networks
  16. 16. Second verse...• Back up• Prepare to undo• Migrate on development server
  17. 17. XML or MySQL?• XML pros • MySQL pros • simple • complete • limited • complicated • slug bug • merging users • skipped users • manual edits
  18. 18. Moving databases• export all tables except users, usermeta• change table prefixes• change wp_userroles option name to match new table prefix
  19. 19. Moving users• Export users, usermeta • or specific rows• Manually change IDs• Stab yourself in the eye with a fork• http://sillybean.net/?p=6187
  20. 20. After migrating• Move static files• Change upload file paths http://yoursite.com/wp-content/ http://yoursite.com/files/ • options • posts • theme files
  21. 21. Combining .htaccess<IfModule mod_rewrite.c>RewriteEngine OnRewriteBase /RewriteCond %{HTTP_HOST} ^us.tamu.edu$ [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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