In Chapter 9, Multi-User Environment, we learned that a user can change the way the wiki looks when he or she is logged in, by changing the skin. That's all well and good for the individual, but what if we, the sysop, wish to change the skin across the entire wiki for all users? Can we do that? The answer is yes. We can change the skin. And, as we will see, we can later edit the skin as well.
If you want to change the default skin for the site, then you have to modify the LocalSettings.php file to reflect this. The newly-changed skin for the site will then be loaded as the default skin for all the site visitors unless they have set a different skin in their preferences. In this case, once users log in, they will see their chosen skin if it is different from the default one. In this exercise, we will be changing the default skin from Monobook to Cologne Blue.
1. Open the file manager for your wiki. Remember, we use Cpanel for the examples but you can use...