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--- tech_notes:boot [2021-09-24 Fri wk38 15:21] – baumkp
+++ tech_notes:boot [2021-12-24 Fri wk51 05:28] – [efibootmgr] baumkp
@@ Line 1: / Line 1: @@
 ======boot tools======
+=====list drives=====
+  * ''df -h''
+  * ''sudo fdisk -l''
+  * ''lsblk'' flags:
+    * ''-f'' to get more verbose output
+    * ''-o'' to get specific output columns, use ''-h'' option to see list of column options
+  * ''blkid''
+  * ''ls -l /dev/disk/by-id'', additional list options:
+    * ''ls -l /dev/disk/by-uuid''
+  * ''sudo lshw -class disk''
+  * ''findmnt''
+=====UEFI=====
+====efibootmgr====
+This is a command line utility that allows handling of the UEFI boot menu.
+===Installation:===
+  *Debian or derivative: ''sudo apt install efibootmgr''
+  *Arch / Manjaro: ''sudo pacman -S efibootmgr''
+===Display Current Setting===
+Simply ''efibootmgr'' or ''sudo efibootmgr'', use the -v flag for a more verbose output
+===Change Boot Order===
+Take the displayed BootOrder and and append and adjust to the following command to adjust: ''sudo efibootmgr -o''\\
+Current: ''BootOrder: 0003,000A,0002,000B,0001,0006,0007,0008,0009,0000''\\
+Adjusted: ''sudo efibootmgr -o 0002,000B,0003,000A,0001,0006,0007,0008,0009,0000''\\
+===Add UEFI Boot Entry ===
+Install command ''grub-efi'': ''sudo apt install grub-efi''\\
+Mount the the EFI System Partition:  ''sudo mount /dev/sdd1 /boot/efi''\\
+Install Grub boot loader: ''sudo grub-install /dev/sdd --target=x86_64-efi --efi-directory=boot/efi/''\\
 =====GRUB=====
 =====Ventoy=====
@@ Line 11: / Line 46: @@
 //**This can be loaded on to a USB disk instead of a flash drive for a potential better overall experience.**//
-{{tag>boot ventoy grub "boot menu" tech notes technical}}
+{{tag>boot ventoy grub "boot menu" tech notes technical uefi efi efibootmgr "grub-efi"}}
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