Computing

This is for my reference I recently needed to revert the Kernel on my iMac/Linux machine. I had updated to the latest version, which caused a problem with the Brightness not working anymore. On an iMac that meant I had no way to adjust the screen, as it doesn’t have any physical buttons. I attempted to edit the grub file from the boot loader, but that didn’t work as there doesn’t seem to be an editor in the boot shell. So after booting up a very bright UI I edited from the main UI. ...

I am currently in the process of resetting an old 2012 iMac after deciding trying to set up the Fusion Drive in there was too much hassle. I think it can be done but as it is a proprietary RAID setup I decided to reinstall MacOS and then use an external drive as a dual boot Linux/Mac setup. I had this before and it worked well enough, the only requirement was to hit the boot drive selector shortcut. ...