Glenn FleishmanSenior Contributor, Macworld
Glenn Fleishman is the author of dozens of books, including his newly released A Practical Guide to Networking, Privacy, and Security in iOS 12. He's a senior contributor to Macworld, where he writes Mac 911.
How to create a private LAN for Mac hardware devices
What to do when you want to connect one set of machines locally to a Mac that's also connected to the Internet.
Can an iPhone's Personal Hotspot feature connect to a Wi-Fi network?
A reader has wonky Wi-Fi in their laptop, and finds Personal Hotspot isn’t helping, either.
MarsEdit 4 review: Content-creation tool for websites lets you focus on the important things
A refresh to a long-running blog-posting app gives it new life as blogging diversifies and abides.
Does Time Machine back up every file every time?
TIme Machine has a method of backing up so you don't have to worry about your hard drive filling up too fast.
How Apple's Startup Security Utility and Secure Boot works
The new iMac Pro comes with a new set of options for restricting how it starts up.
ZMI PowerPack 20000 review: A speedy charger for your USB-C MacBook or MacBook Pro
Fast, compact, well-designed, and a good bargain, this battery is on top of the pack.
What you can and can't restore through an iOS backup in iTunes
It’s easy to be confused about what iTunes backups include and exclude.
What’s SATA ’bout? The problem with older laptops and hard drive upgrades
Before you upgrade the hard drive in an older MacBook, check to see what version of Serial ATA you can use.
Why an update badge won't go away on an iOS app
An App Store error says the app is incompatible.
Why does a Safari cookie reappear after you delete it?
Once you delete items from the Manage Website Data window, why does it reappear?
Does a hard drive have to be solely dedicated for Time Machine use?
While Time Machine will occupy as much space as it can, you don't have to devote a drive to it.
Read the prompts carefully, or you could temporarily delete images you expected would be retained.
How to fix the location on mistagged photos
If the geotagging coordinates are wrong, you can use Photos or other software to fix them.
How to resize disk partition in macOS
If you’ve changed the size of a partition, you may be able to fix it without erasing the entire drive.
Qi whiz! Not all wireless charging is alike
Certain cars with Qi charging won’t work with the iPhone 8, 8 Plus, or X.