Capture a Screen Shot with Mac OS X

Mac OS X has always made it easy to capture a screen shot (an image of your computer desktop or an active window). Here’s a summary of all the methods you can use to capture your screen using Mac OS X. . . . → Read More: Capture a Screen Shot with Mac OS X

Install OS X from USB drive

Like other versions of OS X, Snow Leopard can be installed from a USB drive. This is especially beneficial to Macbook Air users looking to install the OS without a DVD drive, or anyone else that might want to do this.

To do this, you’ll need to prepare your USB drive . . . → Read More: Install OS X from USB drive

Delete Files Older Than x Days on Linux

The find utility on linux allows you to pass in a bunch of interesting arguments, including one to execute another command on each file. We’ll use this in order to figure out what files are older than a certain number of days, and then use the rm command to delete them.

find /path/to/files* -mtime +5 . . . → Read More: Delete Files Older Than x Days on Linux

Get UUID of Hard Disks

The Universally Unique Identifier can be used to identify a device independent form its mount point or device name. This is more and more important as many devices today support hot-plugging or are external anyway. Therefore it makes sometimes sense to access a device (for . . . → Read More: Get UUID of Hard Disks