If you’re going from WP to WP, then you want to use the built-in exporter and importer. Your links should come along with it. I’m not sure about the categories with it, but this might help http://ellejohara.com/blog/making-the-wordpress-opml-tool-slightly-more-useful/
you need to get the ID back from your post insertion and use that with add_post_meta: $post_id = wp_insert_post($post); add_post_meta($post_id, ‘thumbnail’, $yourvalue, true);
I would use a step by step strategy. 1) Make a local installation of WP using XAAMP or similarl 2) Get 1.5.1 version from wp repository 3) Import all and check all is fine 4) Do a backup of imported data 5) Get a more recent version like 2.0 or so 6) Update and check … Read more
To copy a WordPress install from A to B, do an SQL dump on site A, and restore it to site B. Then search and replace the DB to swap the old URLs for the new URLs. Make sure to copy over the uploads folder in wp-content. To do the search replace, consider using a … Read more
In case if your images are lying in some other folder of your previous wordpress install, then did you try copying that entire folder in your current install?
The data for Currently Active Menus is not included in the exports (by default). This is because there is no guarantee the importing site will have the same theme (or same named menus). If changing the menus was a big deal, you could export/import all the data straight out of the database. (This option is … Read more
If the url changed for your new site you’ll have to do a search and replace of the old urls in your database. Always make a backup first. See this Codex reference to do this safely: http://codex.wordpress.org/Moving_WordPress#When_Your_Domain_Name_or_URLs_Change
Answers: Is post_guid the image location reference? Or is the path to the image stored somewhere else? $post->guid is the record in a post which holds the URL for your attachment. Where is featured image set? featured image is saved as post meta so use update_post_meta() once you have the attachment id: update_post_meta( $post->ID, ‘_thumbnail_id’, … Read more
This is really more of a server admin question than WordPress. Error logs and php.ini file locations can vary depending on the server OS. You need to change the upload and timeout limits for php. Do that either in the main php.ini file or enable php.ini in your web directory and try: max_execution_time = 120 … Read more
This may be what you’re looking for http://wordpress.org/extend/plugins/suicide/. As a super admin you can select which sites you would like to remove the content from within your multisite setup.