Mac: When you’re tethering your Mac to your phone, you usually want to make sure you’re using the least amount of data as possible. TripMode is an app that allows you to quickly and easily block specific apps the second you connect to a hotspot.
The Raspberry Pi is a powerful device, but many of its benefits rely on being connected to the internet. If you want to take your Pi with you on the go, try this method of tethering it to your smartphone to get it online.
Windows/Mac: The iPhone jailbreak tool Redsn0w has been updated this morning to support a tethered jailbreak for the just released iOS 5.1.