SHA hashing is frequently used with distribution control systems to determine revisions and to check data integrity by detecting file corruption or tampering. For common usage, a SHA checksum provides a string that can be used to verify a file been transferred as intended. If SHA checksums match, the files integrity has been maintained. This … Read More
Did you know the split iPad keyboard in iOS includes six hidden ‘phantom’ keys that make typing even easier?
If you have tried to delete Safari, Mail, FaceTime, Chess, Photo Booth, Stickies, QuickTime, or any of the other default Mac OS X apps before, you’ll know the Finder prevents you from doing so. Try to move one of these apps to the trash to uninstall it and you’ll get a message saying: ‘”Safari.app” can’t … Read More
All Macs with OS X Mavericks, Yosemite, Lion, Mountain Lion, have a bootable Recovery partition that can be accessed in case of system problems, allowing you to troubleshoot, restore from Time Machine backups, and even reinstall Mac OS X. There are two ways to reach Recovery mode on a Mac: Hold down the OPTION key … Read More
If you need to delete sensitive information and have it completely inaccessible, you’ll want to use the “Secure Empty Trash” feature. This works by writing random patterns of data over a trashed file immediately after it has been emptied, or removed from the filesystem, such a process which otherwise takes place over time throughout normal … Read More
Spotlight is generally very good at keeping a valid index of a drives contents up to date, but if you’ve recently restored a drive or had to delete the Spotlight index for one reason or another, you may need to reindex the drive manually. This is easy from the Spotlight control panel, and can also … Read More
Every Mac owner should be using Time Machine, it’s by far the easiest and most painless backup solution, running in the background and allowing for easy recovery of files or the entire operating system should something go wrong during an OS X update or otherwise. There’s no way around it, having backups of your Mac … Read More
Mac OS X has a secondary Cut and Paste function that provides the ability to cut and paste additional information without overwriting existing clipboard contents. This alternative clipboard is completely separate from the normal clipboard accessible with Command+C and Command+V, and instead you’ll use different keystrokes to access the secondary cut and paste feature and … Read More
To get the most out of an iPhone you’ll obviously want to have internet access, but for those who live in regions where wi-fi access is ubiquitous, you can potentially save some money on a monthly cell phone bill by not having a data plan. No, I don’t mean only turning off data on the … Read More
Sending contacts from an iPhone is very easy, and all data about the contact, from name, phone number, picture, email, URL, etc, can be exported as an inclusive vCard bundle and sent to someone else by email or text message. While we’ll focus on sending contacts between iPhones, these vCards are also usable by other … Read More
Using Mac OS X’s powerful built-in media encoding tools, large AIFF audio files can be quickly and easily converted to compressed high quality M4A audio, ready for use on in iTunes or an iPod, iPhone, or elsewhere.
It’s easy to lose track of all the defaults commands used to perform tweaks to Mac OS X, but with the help of the history command it’s easy to list every defaults write and accompanying defaults delete commands ever used on a Mac. Launch the Terminal to get started. See All Defaults Commands Executed To … Read More
Need to quickly encrypt a file from the command line? With OpenSSL, you can encrypt and decrypt files very easily. For the purpose of this walkthrough, we’ll use des3 encryption, which in simple terms means a complex encryption algorithm is applied three times to each data block, making it difficult to crack through brute force … Read More
If you haven’t set up iCloud and Find My iPhone yet, now is a good time to do so. Follow our guide below on how to get this configured on an iPad, iPhone, iPod, and a Mac, then read on for a story about how a police officer used the application to locate an iPhone … Read More
Pacifist is a powerful Mac OS X utility that gives you full access to package and installer files and their contents, without running the installer itself. Using Pacifist, you can open installers and disk images, find out what is in them, discover what is going to be installed and where, and best of all, extract … Read More
We’ve been made aware of some ongoing issues with apps crashing constantly on iPads running iOS, and all iPads are potentially impacted with Safari being particularly sensitive and seemingly crashing anytime javascript or a video loads and sometimes with just general web browsing. At worst, Safari won’t even launch and crashes immediately, and often the … Read More
If you have a new computer, you’re going to want to authorize it with iTunes and an Apple ID. Authorizing iTunes does quite a bit, it lets you sync apps, books, music, movies, and other content from the iTunes Store, re-download past apps from the App Store, it enables Home Sharing with iTunes, and also … Read More
The iPhone 4S might not be offered officially for T-Mobile use, but if you buy an unlocked device and set it up properly, you can use the iPhone 4S and Siri on the T-Mobile network without incident. In fact, over a million iPhones are already on the T-Mobile network, and the company is going to … Read More
