Once you know where the settings are at, it is quite easy.
Go to:
Themes | Configure | Global Settings
There is a block of checkboxes to turn the 'posted by' settings on/off for each content type.
This article will explain how to correctly set up your site to be able to schedule the cron daemon.
Cron is an essential part of the Drupal CMS. It is used for things like retrieving syndicated RSS feeds from other sites and syndicating infomation from your own site. The cron feature is also used by many other modules to handle required background processing.
Today, I figured out how to do a EXCEPT union equivilant in MySQL:
How do you get all of the rows in a table that DON'T exist in another? Here it is folks!