01-30-2020
Warning! Upgrade to Catalina 10.15.3 Crashes MacPro (2013) - Will Not Boot !
WARNING!
Just upgraded my MacPro (2013) from Catalina 10.15.2 to 10.15.3.
After the routine download and restart for upgrade installation, the Mac would not boot. Totally crashed.
Now, I'm in the process of a 15 hour restore from my last time machine backup.
I'm not very happy with Apple at the moment, to say the least.
This User Gave Thanks to Neo For This Post:
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LEARN ABOUT CENTOS
grub2-mkrescue
GRUB-MKRESCUE(3) Library Functions Manual GRUB-MKRESCUE(3)
NAME
grub-mkrescue -- Generate a GRUB rescue image using GNU Xorriso.
SYNOPSIS
grub-mkrescue [-o | --output=FILE] [--modules=MODULES]
[--install-modules=MODULES] [--themes=THEMES]
[--fonts=FONTS] [--locales=LOCALES]
[--compress[=no,xz,gz,lzo]] [-d | --directory=DIR]
[--grub-mkimage=FILE] [--rom-directory=DIR]
[--xorriso=FILE] [--grub-glue-efi=FILE]
[--grub-render-label=FILE] [--label-font=FILE]
[--label-color=COLOR] [--label-bgcolor=FILE]
[--product-name=STRING] [--product-version=STRING]
[--sparc-boot] [--arcs-boot]
DESCRIPTION
grub-mkrescue can be used to generate a rescue image with the GRUB bootloader.
OPTIONS
--output=FILE
Write the generated file to FILE. The default is to write to standard output.
--modules=MODULES
Pre-load modules specified by MODULES.
--install-modules=MODULES
Install only MODULES and their dependencies. The default is to install all available modules.
--themes=THEMES
Install THEMES. The default is to install the starfield theme, if available.
--fonts=FONTS
Install FONTS. The default is to install the unicode font.
--locales=LOCALES
Install only locales listed in LOCALES. The default is to install all available locales.
--compress[=no,xz,gz,lzo]
Compress GRUB files using the specified compression algorithm.
--directory=DIR
Use images and modules in DIR.
--grub-mkimage=FILE
Use FILE as grub-mkimage(1). The default is /usr/bin/grub-mkimage.
--rom-directory=DIR
Save ROM images in DIR.
--xorriso=FILE
Use FILE as xorriso.
--grub-glue-efi=FILE
Use FILE as grub-glue-efi(3).
--grub-render-label=FILE
Use FILE as grub-render-label(3).
--label-font=FILE
Use FILE as the font file for generated labels.
--label-color=COLOR
Use COLOR as the color for generated labels.
--label-bgcolor=COLOR
Use COLOR as the background color for generated labels.
--product-name=STRING
Use STRING as the product name in generated labels.
--product-version=STRING
Use STRING as the product version in generated labels.
--sparc-boot
Enable booting the SPARC platform. This disables HFS+, APM, ARCS, and "boot as disk image" on the i386-pc target platform.
--arcs-boot
Enable ARCS booting. This is typically for big-endian MIPS machines, and disables HFS+, APM, sparc64, and "boot as disk image" on
the i386-pc target platform.
-- All options after a -- will be passed directly to xorriso's command line when generating the image.
SEE ALSO
info grub
Wed Feb 26 2014 GRUB-MKRESCUE(3)