sogaiu

use efibootmgr to show existing entries:

# efibootmgr

(-v can give more info)

creating a boot entry is a little involved...for nvme drive, use names like nvme0n1 for --disk / -d,

https://utcc.utoronto.ca/~cks/space/blog/linux/NVMeDeviceNames

clone emacs, checkout emacs-31 branch, then:

TREE_SITTER_CFLAGS=-I$HOME/.local/include \
TREE_SITTER_LIBS="-L$HOME/.local/lib -ltree-sitter" \
./configure \
  --prefix=$HOME/.local/stow/emacs-31.x \
  --with-cairo \
  --with-tree-sitter \
 --with-gnutls=ifavailable

"what is and why this file" - wiawtf

one idea is to have a "scanner" that one can point at a directory and it produces a db (e.g. sqlite or some other persistent record) of its results. this could have an incremental mode so that after things have been added and/or removed from a directory, the scanning can take place again.

the db can be used as the basis for asking a user questions about the various files. possibly it could be used repeatedly over time to gradually get answers to questions about why some file is being tracked. possibly it's

SM-G950F dreamlte

https://www.gsmarena.com/samsung_galaxy_s8-8161.php

unlock bootloader

https://www.getdroidtips.com/how-to-unlock-bootloader-on-samsung-galaxy-phones/
https://magiskzip.com/install-twrp-recovery-on-samsung-galaxy-s8/ - search for "Unlock the Bootloader"

ventoy was quite nice, but:

issues with secure boot
somewhat unclear status regarding the bits involved
- 1
- 2

thus the search for alternatives:

https://github.com/Mexit/MultiOS-USB - hmm, includes a variety of prebuilt binaries (for windows, secure boot needs to be disabled during install?)

version: sm-a515f/dsn (global)
gsmarena page https://www.gsmarena.com/samsung_galaxy_a51-9963.php
about rooting samsung devices (via installation of magisk): https://topjohnwu.github.io/Magisk/install.html#samsung-devices

Installing Magisk WILL trip your Knox Warranty Bit, this action is not > reversible in any way.

apparently in one of the 2022 data breaches for samsung, version 4 of the odin tool (though this one is for linux, unlike the leaked 3.x program) was leaked. someone posted it (or something claiming to be it) to:

https://xdaforums.com/t/official-samsung-odin-v4-1-2-1-dc05e3ea-for-linux.4453423/

there is a fork of the heimdall tool (maintained):

	(defn num-digits
	[x]
	(if (= x 0)
	1
	(math/floor (inc (math/log10 x)))))

	(comment

	(num-digits 0)
	# =>