Ah, I see where I went wrong!
I attempted the new command with the proper usb-serial driver in your link, but I had the same error. I did a little investigating and found the 9.x repo, which I'm guessing is where the tce-load command dives into on the...
I attempted the new command with the proper usb-serial driver in your link, but I had the same error. I did a little investigating and found the 9.x repo, which I'm guessing is where the tce-load command dives into on the...