EFI U盘启动

EFI U盘启动

1. 设置u盘为gpt磁盘并创建分区

2. 格式化u盘为fat32

3. 将分区设置为esp分区 set 1 esp on

4. 挂载至/mnt并按照systemd-boot sudo bootctl install --path=/mnt

5. 在/mnt/loader/entries/下添加你需要的启动条目

6. 重启选择u盘

具体命令及流程

sudo parted /dev/sda                        
GNU Parted 3.2

Using /dev/sda

Welcome to GNU Parted! Type 'help' to view a list of commands.

(parted) mklabel gpt                                                     

Warning: The existing disk label on /dev/sda will be destroyed and all data on this disk will be lost. Do you want to continue?

Yes/No? Yes                                                             

(parted)

sudo mkfs.vfat -F32 /dev/sda1                                                                    ~ 22:05:55

mkfs.fat 4.1 (2017-01-24)

sudo parted /dev/sda                                               

GNU Parted 3.2

Using /dev/sda

Welcome to GNU Parted! Type 'help' to view a list of commands.

(parted) p                                                               

Model: Teclast CoolFlash(U) (scsi)

Disk /dev/sda: 6879MB

Sector size (logical/physical): 512B/512B

Partition Table: msdos

Disk Flags:

Number  Start  End    Size    Type    File system  Flags

1      1049kB  6879MB  6878MB  primary  fat32

(parted) set 1 esp on

(parted) 

(parted) p                                                               

Model: Teclast CoolFlash(U) (scsi)

Disk /dev/sda: 6879MB

Sector size (logical/physical): 512B/512B

Partition Table: gpt

Disk Flags:

Number  Start  End    Size    File system  Name  Flags

1      1049kB  6879MB  6878MB  fat32              boot, esp

sudo bootctl install --path=/mnt                                   

Created "/mnt/EFI".

Created "/mnt/EFI/systemd".

Created "/mnt/EFI/BOOT".

Created "/mnt/loader".

Created "/mnt/loader/entries".

Copied "/usr/lib/systemd/boot/efi/systemd-bootx64.efi" to "/mnt/EFI/systemd/systemd-bootx64.efi".

Copied "/usr/lib/systemd/boot/efi/systemd-bootx64.efi" to "/mnt/EFI/BOOT/BOOTX64.EFI".

Failed to create EFI Boot variable entry: No such file or directory

启动信息模板

loader/entries/arch-lily.conf

title Arch Linux Lily

linux /vmlinuz-linux-lily

initrd /initramfs.img

options root=/dev/nvme0n1p2

其他

最好添加一个loader/loader.conf文件

timeout 5

不然看不到选择项目