Creating a Dev box from an existing production machine?

Yes, reasonable. Setting up development clones of WordPress is very easy. Copy your files (rsync/scp are fine) to your dev server Setup a new database and database user (and setup permissions) on your dev server Update your wp-config.php file with your new database info: DB_NAME, DB_USER, DB_PASSWORD, DB_HOST (if other than localhost) Update: If this … Read more

What is the correct form action URL for network options pages?

When referring to urls within the network-admin, you should consider the network_admin_url(). core function, that falls back to admin_url() for non-multisite setups. So try this, using add_query_arg just as @toscho uses in the answer OP links to: echo esc_url( add_query_arg( ‘action’, ‘your_option_name’, network_admin_url( ‘edit.php’ ) ) ); instead of hard-coding it with possible wrong assumptions … Read more