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| tech_notes:boot [2021-12-24 Fri wk51 04:52] – [efibootmgr] baumkp | tech_notes:boot [2023-04-30 Sun wk17 17:43] (current) – external edit 127.0.0.1 |
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| | {{tag>linux boot uefi ventoy}} |
| ======boot tools====== | ======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===== | =====UEFI===== |
| ===Change Boot Order=== | ===Change Boot Order=== |
| Take the displayed BootOrder and and append and adjust to the following command to adjust: ''sudo efibootmgr -o''\\ | 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'' | Current: ''BootOrder: 0003,000A,0002,000B,0001,0006,0007,0008,0009,0000''\\ |
| Adjusted: ''sudo efiboot-o 0002,000B,0003,000A,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/''\\ |
| | |
| | ===Change boot selection time=== |
| | ''sudo efibootmgr -t 10'' to set boot selection time to 10 seconds |
| | |
| | ===Delete a boot entry=== |
| | ''%%sudo efibootmgr --delete-bootnum --bootnum 0%%'' |
| | |
| | ===Links=== |
| | *[[https://www.linuxbabe.com/command-line/how-to-use-linux-efibootmgr-examples|Use Linux efibootmgr Command to Manage UEFI Boot Menu]] |
| | *[[https://www.linuxjournal.com/content/take-control-your-pc-uefi-secure-boot|Take Control of Your PC with UEFI Secure Boot]] |
| | *[[https://linuxconfig.org/how-to-manage-efi-boot-manager-entries-on-linux|How to manage EFI boot manager entries on Linux]] |
| =====GRUB===== | =====GRUB===== |
| | |
| |
| =====Ventoy===== | =====Ventoy===== |
| {{tag>boot ventoy grub "boot menu" tech notes technical uefi efi efibootmgr "grub-efi"}} | {{tag>boot ventoy grub "boot menu" tech notes technical uefi efi efibootmgr "grub-efi"}} |
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