til/Applications/System/systemd-boot.md

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# systemd-boot
Read [systemd-boot](https://wiki.archlinux.org/index.php/Systemd-boot).
Assume you use Arch Linux, and [EFI system partition](https://wiki.archlinux.org/index.php/EFI_system_partition) mount point is `/boot`.
Install:
```sh
bootctl --path=/boot install
```
Update:
```sh
bootctl update
```
Edit `/boot/loader/loader.conf`:
```txt
default archlinux.conf
timeout 4
console-mode max
editor no
```
Edit `/boot/loader/entries/archlinux.conf`:
```txt
title Arch Linux
linux /vmlinuz-linux
initrd /intel-ucode.img
initrd /initramfs-linux.img
options root="LABEL=ROOT" rw
```
Label partition:
```sh
e2label /dev/xxxY ROOT
```
View partitions:
```sh
blkid
```