A deep dive into the log to examine what happens when waking from system sleep. And where you can read a cache of old internet connections…
macOS
This bug disrupts Time Machine backups and all the dozens of activities which macOS manages. It may make Sierra unsuitable for use in servers.
Apple has pushed out another update to the XProtect data for Sierra and El Capitan systems, early today. […]
Time should be universal, simple, and precise. Not in computers, though. Given enough clocks, it can behave oddly at times.
View the same log entries at different times, and their timestamps change. This explains why, and what is going on.
When Time Machine seems to take a long time preparing the next backup, or gets stuck, here is how to diagnose and deal with it.
Why was my Mac still preparing a backup 20 minutes after it should have been completed? And what is a ‘deep event scan’?
Two major tools are available to help you deal with problems. Here’s how to use them to best effect.
Is Time Machine becoming erratic? A simple diagnostic process can establish what the problem is, and how to deal with it.
Here are two log excerpts which should be identical, but only one out of all the entries is actually the same. What is wrong?
The Eclectic Light Company 