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MX-Linux doesn't see Arch Linux in grub

http://www.forum.mxlinux.org/viewtopic.php?t=79687

Page 2 of 3

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 6:49 am
by popjah
Hi:
This solved it for me with another distribution installed in btrfs that in the MX Grub was not visible, try to create an entry for the @root partition of Arch, see if it works.
viewtopic.php?p=747590#p747590
Hi Senpai,

Thanks for your tip; tried it but it didn't work in my case.

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 8:02 am
by Charlie Brown
@popjah
popjah wrote: ↑Mon Mar 11, 2024 5:34 am... tried rEFInd some time ago but didn't like it ...
Ok, but did it work?

If you like it's possible to create a custom entry

Or if you like just install grub on Arch (let it control it) .

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 8:26 am
by popjah
Charlie Brown wrote: ↑Mon Mar 11, 2024 8:02 am @popjah
popjah wrote: ↑Mon Mar 11, 2024 5:34 am... tried rEFInd some time ago but didn't like it ...
Ok, but did it work?

If you like it's possible to create a custom entry

Or if you like just install grub on Arch (let it control it) .
Yes, rEFind worked fine! But there was something I didn't like about it, I forgot what it was. But why not, I'll give it another go, thanks for the reminder!

About installing grub on Arch, how would I do it (never done this before)?

Cheers!

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 8:32 am
by Charlie Brown
popjah wrote: ↑Mon Mar 11, 2024 8:26 am... installing grub on Arch, how would I do it ...?
https://wiki.archlinux.org/title/GRUB

:)

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 8:34 am
by popjah
Charlie Brown wrote: ↑Mon Mar 11, 2024 8:32 am
popjah wrote: ↑Mon Mar 11, 2024 8:26 am... installing grub on Arch, how would I do it ...?
https://wiki.archlinux.org/title/GRUB

:)
Ok, will try, thanks!

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 8:38 am
by Charlie Brown
I know it may look confusing.

But if you like this may be even simpler: You can post the grub.cfg ( /boot/grub/grub.cfg ) "of Arch" then we pick the related lines and simply paste into custom.cfg ( /boot/grub/custom.cfg ) in MX. (At least no harm to try).

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 9:32 am
by popjah
Charlie Brown wrote: ↑Mon Mar 11, 2024 8:38 am I know it may look confusing.

But if you like this may be even simpler: You can post the grub.cfg ( /boot/grub/grub.cfg ) "of Arch" then we pick the related lines and simply paste into custom.cfg ( /boot/grub/custom.cfg ) in MX. (At least no harm to try).
Deal, and thanks again!

Here's Arch's grub.cfg file contents:

Code: Select all

#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
insmod part_gpt
insmod part_msdos
if [ -s $prefix/grubenv ]; then
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}

function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt
insmod ext2
set root='hd3,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt2 --hint-efi=hd3,gpt2 --hint-baremetal=ahci3,gpt2  a8f9023b-8755-4266-be81-a2b82e38d3dd
else
  search --no-floppy --fs-uuid --set=root a8f9023b-8755-4266-be81-a2b82e38d3dd
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=en_US
  insmod gettext
fi
terminal_input console
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
  set timeout_style=menu
  set timeout=10
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
	load_video
	set gfxpayload=keep
	insmod gzio
	insmod part_gpt
	insmod fat
	set root='hd3,gpt1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
	else
	  search --no-floppy --fs-uuid --set=root 5285-5A80
	fi
	echo	'Loading Linux linux-lts ...'
	linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
	echo	'Loading initial ramdisk ...'
	initrd	/amd-ucode.img /initramfs-linux-lts.img
}
submenu 'Advanced options for Arch Linux' $menuentry_id_option 'gnulinux-advanced-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
	menuentry 'Arch Linux, with Linux linux-lts' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-advanced-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
		load_video
		set gfxpayload=keep
		insmod gzio
		insmod part_gpt
		insmod fat
		set root='hd3,gpt1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
		else
		  search --no-floppy --fs-uuid --set=root 5285-5A80
		fi
		echo	'Loading Linux linux-lts ...'
		linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
		echo	'Loading initial ramdisk ...'
		initrd	/amd-ucode.img /initramfs-linux-lts.img
	}
	menuentry 'Arch Linux, with Linux linux-lts (fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-fallback-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
		load_video
		set gfxpayload=keep
		insmod gzio
		insmod part_gpt
		insmod fat
		set root='hd3,gpt1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
		else
		  search --no-floppy --fs-uuid --set=root 5285-5A80
		fi
		echo	'Loading Linux linux-lts ...'
		linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
		echo	'Loading initial ramdisk ...'
		initrd	/amd-ucode.img /initramfs-linux-lts-fallback.img
	}
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/25_bli ###
if [ "$grub_platform" = "efi" ]; then
  insmod bli
fi
### END /etc/grub.d/25_bli ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'MX 23.2 Libretto" (23.2) (on /dev/nvme0n1p2)' --class mx --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-32d05216-4889-45f8-8f81-3463d2c008aa' {
	insmod part_gpt
	insmod ext2
	search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
	linux /boot/vmlinuz-6.7.8-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash
	initrd /boot/initrd.img-6.7.8-1-liquorix-amd64
}
submenu 'Advanced options for MX 23.2 Libretto" (23.2) (on /dev/nvme0n1p2)' $menuentry_id_option 'osprober-gnulinux-advanced-32d05216-4889-45f8-8f81-3463d2c008aa' {
	menuentry 'Debian (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.7.8-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.7.8-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash
		initrd /boot/initrd.img-6.7.8-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.7.8-1-liquorix-amd64 (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.7.8-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.7.8-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash
		initrd /boot/initrd.img-6.7.8-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.7.8-1-liquorix-amd64 (systemd) (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.7.8-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.7.8-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash init=/lib/systemd/systemd
		initrd /boot/initrd.img-6.7.8-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.7.6-1-liquorix-amd64 (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.7.6-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.7.6-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash
		initrd /boot/initrd.img-6.7.6-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.7.6-1-liquorix-amd64 (systemd) (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.7.6-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.7.6-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash init=/lib/systemd/systemd
		initrd /boot/initrd.img-6.7.6-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.7.5-1-liquorix-amd64 (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.7.5-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.7.5-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash
		initrd /boot/initrd.img-6.7.5-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.7.5-1-liquorix-amd64 (systemd) (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.7.5-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.7.5-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash init=/lib/systemd/systemd
		initrd /boot/initrd.img-6.7.5-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.6.12-1-liquorix-amd64 (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.6.12-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.6.12-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash
		initrd /boot/initrd.img-6.6.12-1-liquorix-amd64
	}
	menuentry 'Debian, with Linux 6.6.12-1-liquorix-amd64 (systemd) (on /dev/nvme0n1p2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-6.6.12-1-liquorix-amd64--32d05216-4889-45f8-8f81-3463d2c008aa' {
		insmod part_gpt
		insmod ext2
		search --no-floppy --fs-uuid --set=root 32d05216-4889-45f8-8f81-3463d2c008aa
		linux /boot/vmlinuz-6.6.12-1-liquorix-amd64 root=UUID=32d05216-4889-45f8-8f81-3463d2c008aa ro quiet splash init=/lib/systemd/systemd
		initrd /boot/initrd.img-6.6.12-1-liquorix-amd64
	}
}

### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
if [ "$grub_platform" = "efi" ]; then
	fwsetup --is-supported
	if [ "$?" = 0 ]; then
		menuentry 'UEFI Firmware Settings' $menuentry_id_option 'uefi-firmware' {
			fwsetup
		}
	fi
fi
### END /etc/grub.d/30_uefi-firmware ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg
fi
### END /etc/grub.d/41_custom ###

Re: MX-Linux doesn't see Arch Linux in grub  [Solved]

Posted: Mon Mar 11, 2024 12:21 pm
by Charlie Brown

Code: Select all

menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
	load_video
	set gfxpayload=keep
	insmod gzio
	insmod part_gpt
	insmod fat
	set root='hd3,gpt1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
	else
	  search --no-floppy --fs-uuid --set=root 5285-5A80
	fi
	echo	'Loading Linux linux-lts ...'
	linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
	echo	'Loading initial ramdisk ...'
	initrd	/amd-ucode.img /initramfs-linux-lts.img
}
submenu 'Advanced options for Arch Linux' $menuentry_id_option 'gnulinux-advanced-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
	menuentry 'Arch Linux, with Linux linux-lts' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-advanced-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
		load_video
		set gfxpayload=keep
		insmod gzio
		insmod part_gpt
		insmod fat
		set root='hd3,gpt1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
		else
		  search --no-floppy --fs-uuid --set=root 5285-5A80
		fi
		echo	'Loading Linux linux-lts ...'
		linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
		echo	'Loading initial ramdisk ...'
		initrd	/amd-ucode.img /initramfs-linux-lts.img
	}
	menuentry 'Arch Linux, with Linux linux-lts (fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-fallback-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
		load_video
		set gfxpayload=keep
		insmod gzio
		insmod part_gpt
		insmod fat
		set root='hd3,gpt1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
		else
		  search --no-floppy --fs-uuid --set=root 5285-5A80
		fi
		echo	'Loading Linux linux-lts ...'
		linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
		echo	'Loading initial ramdisk ...'
		initrd	/amd-ucode.img /initramfs-linux-lts-fallback.img
	}
}
Right-click on /boot/grub/custom.cfg on MX: "Edit as root" , paste this, save, reboot.

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 1:15 pm
by popjah
Charlie Brown wrote: ↑Mon Mar 11, 2024 12:21 pm

Code: Select all

menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
	load_video
	set gfxpayload=keep
	insmod gzio
	insmod part_gpt
	insmod fat
	set root='hd3,gpt1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
	else
	  search --no-floppy --fs-uuid --set=root 5285-5A80
	fi
	echo	'Loading Linux linux-lts ...'
	linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
	echo	'Loading initial ramdisk ...'
	initrd	/amd-ucode.img /initramfs-linux-lts.img
}
submenu 'Advanced options for Arch Linux' $menuentry_id_option 'gnulinux-advanced-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
	menuentry 'Arch Linux, with Linux linux-lts' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-advanced-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
		load_video
		set gfxpayload=keep
		insmod gzio
		insmod part_gpt
		insmod fat
		set root='hd3,gpt1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
		else
		  search --no-floppy --fs-uuid --set=root 5285-5A80
		fi
		echo	'Loading Linux linux-lts ...'
		linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
		echo	'Loading initial ramdisk ...'
		initrd	/amd-ucode.img /initramfs-linux-lts.img
	}
	menuentry 'Arch Linux, with Linux linux-lts (fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-fallback-a8f9023b-8755-4266-be81-a2b82e38d3dd' {
		load_video
		set gfxpayload=keep
		insmod gzio
		insmod part_gpt
		insmod fat
		set root='hd3,gpt1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,gpt1 --hint-efi=hd3,gpt1 --hint-baremetal=ahci3,gpt1  5285-5A80
		else
		  search --no-floppy --fs-uuid --set=root 5285-5A80
		fi
		echo	'Loading Linux linux-lts ...'
		linux	/vmlinuz-linux-lts root=UUID=a8f9023b-8755-4266-be81-a2b82e38d3dd rw zswap.enabled=0 rootfstype=ext4 loglevel=3 quiet
		echo	'Loading initial ramdisk ...'
		initrd	/amd-ucode.img /initramfs-linux-lts-fallback.img
	}
}
Right-click on /boot/grub/custom.cfg on MX: "Edit as root" , paste this, save, reboot.
Hurray! Worked perfectly, together with an Arch logo in the boot menu!

A final question: do I have to worry about anything if Arch updates the kernel, etc.? Will I have to change a specific line in the created /boot/grub/custom.cfg file (I had to create the file because it didn't exist)?

Many thanks for solving this, Charlie Brown! :number1:

Re: MX-Linux doesn't see Arch Linux in grub

Posted: Mon Mar 11, 2024 1:34 pm
by Charlie Brown
:number1:

I was just going to write that. If you change kernel etc. you need to do (kind of "update") it again.

However unlike MX / Debian no kernel versions stated:

Code: Select all

linux	/vmlinuz-linux-lts
initrd	/amd-ucode.img /initramfs-linux-lts.img
So, first compare the new grub.cfg and do it if necessary. You can simply take this part (between these two)

Code: Select all

### BEGIN /etc/grub.d/10_linux ###
...
...
### END /etc/grub.d/10_linux ###
On MX just saving the file is enough, no need to update-grub :)
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