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In spite of my earlier statement, I went ahead and tried one more time. This time I created a bootable install disk on a USB SSD.

Installing from that was very fast. A little more than an hour.
...

Here are the last few lines of the system log when the machine shut down and then the first line when I managed to boot it up with the internal drive. Anyone see anything interesting?


Dec 12...

It wouldn’t start up in Safe Mode, so I started in Recovery Mode and selected a CCC clone as startup disk. It appears that the Catalina installer failed very soon as the internal drive on my iMac...

So, installing Catalina seems to have bricked my iMac. When I got home, it was off. I started it up, but got the "Your Mac restarted because of a problem...." screen which switched to the...

Yeah, time for a coffee.

Seems awfully slow considering my bandwidth:

30811

I'm sure Apple has local servers….

OK, back on topic now. I've done my backups and due diligance and have decided to install Catalina. Downloading now.

"About 4 hours remaining."

***** of a long time to wait. :o

I just recently started reading Howard Oakley again. He's a really good explainer, even for highly technical stuff.

According to 9to5Mac:

Here's another article on Time Machine which explains the above in more detail:

Time Machine: 1 How it works, or fails to

TLDR: [Time Machine] "uses macOS to create a Finder illusion, with...

They were both actually making backups.

That problem was solved when I changed the backup window.

Yeah, I just used that command line tool that I posted to find 32 bit "Helper" programs. Found a dozen, including stuff for Plex, Dropbox, Real VNC and others.



You know, not much. The biggest...

You make a good point which is why I do most of my tinkering on other machines, like the two Raspberry Pies sitting on my desk. I use MacPorts, which installs in /opt/local/bin and which Catalina...

Another interesting bit from Howard Oakley at The Eclectic Light Company:

Are you having weird problems with Catalina?

Eight hours? :woah

So, you are happy enough with it that you plan to update once the 32 bit app situation is resolved?

(I don't have any 32 bit apps, so that's not a concern to me. I've delayed mainly because I've...

I have yet to update my 2017 iMac to Catalina. Mojave seems to work fine for me with the exception that Reminders now only show up on my iOS devices. I was planning to do the update this week, but...

I have iMazing set to do daily backups between 11:00 PM and 3:00. This had been working well until last night when it started backing up every few minutes. I've changed the backup schedule times to...

Jake, you've done a great job of making my point.

I'm very happy for you. Sometimes it's important to remember what it was like before you knew everything.

Question: Say we're talking about my 2017 iMac which has two holes (ports ?) next to the...

I see that as part of the problem. Why should you have to do research to understand what's going on?

Here's what Apple says about the specs on my 2017 iMac:

•Two Thunderbolt 3 (USB-C) ports...

I just worked this one up myself. I have an alias to it in my .bashrc file:

alias zop='/usr/bin/top -ocpu -F -s 2 -n30'

So, if I want to run it I don't have to type the whole thing. I usually...

Thanks for that.

The machine in question will mainly be used to play low-res YouTube and other videos on a old 1080p monitor. I think the cheap Amazon cable I ordered will do the trick. If not...

I have the same machine but with an Apple SSD and have never seen that sort of performance degradation. It would be nice if you would show us a screenshot of Activity Monitor sorted by CPU, or run...

It's all a little bit confusing. When you look at the tech specs for that MBA the only port (aside from USB) mentioned is:

• Thunderbolt 2 port (up to 20 Gbps)

But then when it talks about...