T2M2 is nearly 9 years old. Here’s a walk through its summary reports on Time Machine backups. and an outline of what you’ll see in its log extracts.
log
Catch up on your reading with selected articles from the past year, covering security, logs, macOS generally, Spotlight in particular, and some utilities.
Several utilities access the log. When there are problems getting entries, they each report details. Here’s what each error report means, and what you can do to fix it.
Log entries mentioning errors are common and can mislead. Those marking the consequences of errors may not mention the word error. Turn detective to work out where the error really is with these tips.
What happens when you can’t solve a problem, so you get a log extract and ask Claude to diagnose it for you? Here’s a full worked example.
When the clocks went back, looking in the log for entries at 01:49:02 brought a very great surprise: in one Mac, nearly 4 million entries in a single second.
Displays emoji to indicate the type of each log entry, improves export as Rich Text, and augments fields when copying entries.
Apparently based on Mach absolute time, log entry times are converted to wallclock times. This exposes them to the vagaries of time zones, seasonal adjustments, and periodic wallclock adjustments. Here’s how all that works, and can confuse.
How to combine the time of interest with waypoints to reduce 100,000 log entries to just a handful, and discover what you’re looking for in the log.
The four types of log entry, all the fields they can contain, and those they are likely to include, shown in the order and colour scheme used in LogUI. Censorship and how to disable it, with a signed profile to do so.
The Eclectic Light Company 