systemd-boot is an alternative to other bootloaders such as GRUB.
The entries in the bootloader are automatically generated using sdboot-manage. The generated entries can be customized by editing /etc/sdboot-manage.conf.
# config file for sdboot-manage
# kernel options to be appended to the "options" line
# when LINUX_USE_DEVICE_FOR_RESUME is set to "yes", the specified device will be used for hibernation
# when LINUX_USE_SWAP_FOR_RESUME is set to "yes", the first detected available swap device will be used for hibernation
# i.e. the "resume=UUID=swap_device" parameter would be appended to the kernel command line
# the DEFAULT_ENTRY option determines if and how the default entry in loader.conf should be managed
# "latest" The most recent Manjaro kernel will be used(the one with the highest version number)
# "oldest" The oldest Manjaro kernel will be used(the one with the lowest version number)
# "manual" Don't modify the default setting
# ENTRY_ROOT is a template that describes the beginning of the name for system-boot entries
# The ENTRY_ROOT will be followed by the kernel version number
# For example, if ENTRY_ROOT="manjaro" and you are using kernel 4.19 your entry will be named "manjaro4.19.conf"
# ENTRY_TITLE is a template that describes the beginning of the title of (i.e. the text displayed in the loader screen for) systemd-boot entries
# For example, if ENTRY_TITLE="Manjaro" and you are using kernel 4.19, the title of your entry will be "Manjaro Linux 4.19"
# when ENTRY_APPEND_KVER is set to "yes", the kernel version number will be appended to both the filename and the title of systemd-boot entries
# Use this pattern to match kernels which should be considered native OS kernels
# setting REMOVE_EXISTING to "yes" will remove all your existing systemd-boot entries before building new entries
# unless OVERWRITE_EXISTING is set to "yes" existing entries for currently installed kernels will not be touched
# this setting has no meaning if REMOVE_EXISTING is set to "yes"
# when REMOVE_OBSOLETE is set to "yes" entries for kernels no longer available on the system will be removed
# if PRESERVE_FOREIGN is set to "yes", do not delete entries starting with $ENTRY_ROOT
# setting NO_AUTOUPDATE to "yes" will stop the updates to systemd-boot when systemd is updated - not recommended unless you are seperately updating systemd-boot
# setting NO_AUTOGEN to "yes" will stop the automatic creation of entries when kernels are installed or updated
# add discard option to cryptdevice parameters
# add discard option to boot parameters for filesystems (rootflags=discard) for continuous TRIM
# see: https://wiki.archlinux.org/index.php/Solid_state_drive#Continuous_TRIM
After changing this file, the existing entries need to be regenerated.
user $ sudo sdboot-manage gen
Setting up Plymouth splash screen
After installing Plymouth the kernel bootline needs to be adjusted. This can be done by editing /etc/sdboot-manage.conf as follows:
Find the line
and replace it with
LINUX_OPTIONS="quiet splash loglevel=3 rd.udev.log_priority=3 vt.global_cursor_default=0"
For further configuration such as custom entries, refer to ArchWiki.