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diagnosis

Log literacy: Reducing log entries shown

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How to use Ulbow to find just the log entries you need, using filters and predicates. Bring order to chaos.

January 31, 2023 Macs, Technology

Log literacy: an essential skill for advanced users

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The only place you’re likely to find that crucial piece of information about outgoing connections, bugs or problems is the log. How to get started.

January 28, 2023 Macs, Technology

What to do when your Mac has a kernel panic

Why you should keep a copy of the Panic Log. How to check that your Mac isn’t the cause. And above all, don’t panic.

November 15, 2022 Macs, Technology

Explainer: subsystems

Formed using reverse DNS notation, they can now have prefixes and suffixes giving them user and process identities. And how to find a list of them.

August 27, 2022 Macs, Technology

Getting more from Activity Monitor: Memory

All about memory: different types, Unified Memory, Mach zones and the kernel, and how to manage system memory problems.

August 10, 2022 Macs, Technology

Last Week on My Mac: Obfuscating errors

Many Mac users now have a better idea as to whether anything’s amiss at home than in their Mac. Why we need a way to check a Mac’s status.

July 31, 2022 Macs, Technology

How to investigate network problems effectively

You might be lucky and solve it by inspiration. When that fails, fall back on a careful, thorough and systematic approach as explained here.

May 24, 2022 Macs, Technology

Explainer: kernel panics and crashes

Apps may crash, but kernels panic. Don’t accept your Mac just panics often. It should never panic at all, and more than one panic a year needs to be properly investigated and reported.

February 12, 2022 Macs, Technology

Diagnosing Bluetooth problems in Monterey

The first tool you need to tackle Bluetooth problems shows the quality of connections. That’s a problem in Monterey at the moment. Here’s why.

February 3, 2022 Macs, Technology

Memory Lane: Grokking memory problems in Activity Monitor

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Activity Monitor’s Memory view is the perfect place to watch for memory problems, such as a leak. Demonstrated here in macOS 12.0.1 and 12.1.

January 19, 2022 Macs, Technology

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