How to Set a Manual IP Address in Mac OS X
There are times when a user will need to to manually set an IP address in Mac OS X to one which will be compatible with a joined network, either wi-fi or ethernet.
Here will cover how to change a Mac IP address to a manual setting, and also how to pick an IP address which will not be conflicting with another machine on the same network.

I just came across a really useful QuickLook plugin called SuspiciousPackage that lets you inspect those .pkg package installer files that so many Mac apps and downloads come in. Using this plugin, you can determine if an admin password is required, how many install scripts are in the package file, where the installation locations of files is going to be, and if a restart is required. 
You can change the Mac OS X login screen background picture using a few different methods. We have covered this tip before but it was based around a few Terminal commands that might not be easy to follow for the average Mac user without command line experience. With that in mind, here are ways to change the Mac login wallpaper:
Mac OS X Server is infinitely better equipped, more stable, and just generally more pleasant than any of Windows offerings (yes I am biased, but it’s true), if you’re needing a server I highly recommend checking out Apple’s offering. Instead of shelling out the $499 for a copy though, you can get a free evaluation copy! If you’re a large corporation, small business, nonprofit organization, government agency, or educational institution, you can get a free and fully functional evaluation copy of Mac OS X Server directly from Apple. I just found out about this and I think it’s a pretty great thing for Apple to do, so if you qualify for a copy, check it out and you will be impressed.
Locker is a very simple Dashboard widget that does something Mac OS X should have included by default, it instantly locks your Mac desktop. 

