migration - Read For Learn

How to transfer a WordPress blog to a different domain?

I recommend handling the 301 redirect in your web server rather than in WordPress. mod_rewrite or RedirectMatch will be much more efficient than spinning up WordPress to deliver a Location: header. <VirtualHost *:80> ServerName busted-cheap-url.com # mod_alias RedirectMatch permanent (.*) http://great-new-url.com$1 # OR mod_rewrite RewriteEngine on RewriteRule (.*) http://great-new-url.com$1 [R=301] </VirtualHost> There are several methods … Read more

How can I migrate from another platform to WordPress (using the same domain) and launch when ready?

As others have already mentioned, this can be a long process. But it can also be relatively straightforward, and I’ve done this to migrate other non-WP sites to WordPress in the past. Export your site First things first, you’ll need to export your site from Tumblr into a format WordPress can work with. There are … Read more

Change site url when moving site to another url?

Those parameters and admin settings change the URLs in the database. The only other way to do that is run SQL queries on the DB in phpmyadmin to change them: UPDATE wp_options SET option_value = replace(option_value, ‘http://olddomain.com’, ‘http://newdomain.com’) WHERE option_name=”home” OR option_name=”siteurl”; UPDATE wp_posts SET guid = replace(guid, ‘http://olddomain.com’,’http://newdomain.com’); UPDATE wp_posts SET post_content = replace(post_content, … Read more

Migrating Markdown (from Drupal)

Note: The following is largely untested (It worked after testing on one post). As you’ve pointed out when you edit a post, the plug-in takes the content in the database (HTML) and converts that to MarkDown for editing. Since in your case the content is actually not in HTML, but already in MarkDown, we want … Read more

How can I migrate a super old version (2.0) of my blog to 3.1?

If you site is live then you shouldn’t directly update that, although update in the recent version of wordpress is very easy and seemless but that wasn’t the case in 2.1 though. Also here is the list of steps that I will recommend you to take: Make the list of all plugins. Make sure none … Read more

Why does WordPress use serialize rather than json_encode for the options table? [duplicate]

serialize representation can be stored in text and reversed JSON representation can be stored in text but cannot always be precisely reversed Run this example: $query = new WP_Query(); var_dump( $query ); var_dump( unserialize( serialize( $query ) ) ); var_dump( json_decode( json_encode( $query ) ) ); After going through serialize accurate WP_Query object is re-created. … Read more

How can 2 blogs share the same users

I think you want to install your second site on the same database but with a different table prefix, e.g. $table_prefix = “qa_”; in wp-config.php You are then able to define a custom user and/or user_meta table by adding the following lines to wp-config.php define(‘CUSTOM_USER_TABLE’, [orig_table_prefix].’my_users’); define(‘CUSTOM_USER_META_TABLE’, [orig_table_prefix].’my_usermeta’); Source: http://codex.wordpress.org/Editing_wp-config.php#Custom_User_and_Usermeta_Tables I have read somewhere before … Read more

How do you seamlessly switch hosting?

Put old host in read-only mode Go to WP Admin -> Settings -> Discussion and check “Users must be registered and logged in to comment” Disable authentication: Create a PHP file inside the wp-content/mu-plugins folder, with the following content: <?php function wp_get_current_user() { return new WP_User(-1); } This will prevent all logged-in users from leaving … Read more

How to migrate a HTTPS WordPress installation to localhost?

This is because the site_url and homeurl of your original installation are set to HTTPS in the database, so you can’t access your website on localhost unless you: Change these values to non-ssl Install a SSL certificate on localhost I will only explain the first case since installing a certificate is out of this community’s … Read more

After Moving a Site to Another Domain, All Images Are Lost

It sounds like you need to change the URLs for the old images. The easiest & quickest way of doing that is to do a find and replace on the MySQL database. You can use PHPMyAdmin (usually provided by your web host) or other MySQL editing software such as Sequel Pro to make changes to … Read more

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