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MacOS 10.15 Catalina Crashes and Freezes on Boot

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# 8  
Originally Posted by Neo
wisecracker, do you encrypt your macOS hard drives?
About the Apple T2 Security Chip - Apple Support

It makes the platform unable to install Linux, """apparently""" on external drives too.

There is this, but I have already found a way...
Don't Panic, You Can Boot Linux on Apple's New Devices - OMG! Ubuntu!

Last edited by hicksd8; 1 Week Ago at 07:33 AM..
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HPCBOOT(8)						    BSD System Manager's Manual 						HPCBOOT(8)

hpcboot -- load and boot kernel from Windows CE
hpcboot is a program that runs on Windows CE. It loads and executes the specified NetBSD kernel. hpcboot supports hpcarm, hpcmips, and hpcsh ports. Click on the ``Boot'' button to start the boot process with selected options. Click on the ``Cancel'' button to exit hpcboot. ``Kernel'' Tab On this tab you can select the kernel to boot and options to pass to the kernel. Directory In this combobox you specify the ``current'' directory. The kernel and miniroot image pathnames are taken to be relative to this direc- tory. hpcboot can load kernel and miniroot from FAT and UFS filesystems, and via HTTP. Kernel In this text field you specify the name of the kernel to load. Kernels compressed with gzip(1) are supported. Model Select your H/PC model in this combobox. Root File System This group of controls lets you specify the desired root file system type. You can select wd(4), sd(4), md(4), and NFS root. If you select md(4) memory disk root file system, you should specify the path name of the file system image in the text field below. Miniroot images compressed with gzip(1) are supported. Kernel Boot Flags This group of controls is used to pass boot flags to the kernel. ``Option'' Tab On this tab you can specify miscellaneous options that mostly control the hpcboot program itself. Auto Boot If this option is selected hpcboot will automatically boot NetBSD after the specified timeout. Reverse Video Tells kernel if it should use the framebuffer in reverse video mode. Pause Before Boot If selected, a warning dialog will be presented before anything is done, right after the ``Boot'' button is pressed. Load Debug Info This option currently does nothing. Safety Message If selected, a warning dialog will be presented after the kernel has been loaded and prepared to be started. This will be your last chance to cancel the boot. Extra Kernel Options In this text field you can specify additional options to pass to the kernel. ``Console'' Tab This tab gets its name from the big text area that hpcboot uses as the ``console'' to report its progress. Save To File If checked, the progress log will be sent to the specified file instead. ``Checkboxes Anonymous'' The row of 8 checkboxes controls debugging options for hpcboot itself. They control the bits of an internal variable, the leftmost checkbox being the 7th bit. ``Buttons Anonymous'' The buttons ``a'' to ``d'' control 4 ``hooks'' a developer might want to use during hpcboot development.
kloader(4), boot(8)
The hpcboot utility first appeared in NetBSD 1.6.
hpcboot reads the entire kernel image at once, and requires enough free area on the main memory.
April 3, 2004 BSD

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