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Wiki.malinux.no: /* Repair/install GRUB on EFI from live-usb */

2025-09-02T14:30:06Z

Repair/install GRUB on EFI from live-usb

← Older revision		Revision as of 14:30, 2 September 2025
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	<pre>mount /dev/sdXY /mnt</pre>		<pre>mount /dev/sdXY /mnt</pre>

			NOTE: Note : sdX = disk \| sdXX = boot partition \| sdXY = system partition \| sdXZ = efi partition

	If you have seperatate boot-partition:		If you have seperatate boot-partition:
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	<pre>for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done </pre>		<pre>for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done </pre>

			<pre> modprobe efivarfs </pre>

	<pre>chroot /mnt</pre>		<pre>chroot /mnt</pre>

			From inside chroot:

			<pre>mount -t efivarfs efivarfs /sys/firmware/efi/efivars</pre>

	<pre>grub-install --target=x86_64-efi --efi-directory=/boot/efi		<pre>grub-install --target=x86_64-efi --efi-directory=/boot/efi
	grub-mkconfig -o /boot/grub/grub.cfg</pre>		<pre>update-grub</pre>

			On Arch Linux run:
			<pre>grub-mkconfig -o /boot/grub/grub.cfg</pre>

			check if efi bootmananger is set to boot the system

			run:

			<pre>efibootmgr</pre>

			if the system is not set to boot from efi, set it to boot with the corresponding code:

	NOTE: ~~Note : sdX = disk \| sdXX = boot partition \| sdXY =~~ system ~~partition \| sdXZ = efi partition~~		<pre>efibootmgr -o 0003</pre>
			NOTE: This sets option BOOT0003* to be bootet from. Check what the correct code is in your system


	===Troubleshooting===		===Troubleshooting===

			The system won't boot after

	EFI variables are not supported on this system.		EFI variables are not supported on this system.

2025-09-02T14:13:07Z

Repair/install GRUB on EFI from live-usb

← Older revision		Revision as of 14:13, 2 September 2025
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	<pre>chroot /mnt</pre>		<pre>chroot /mnt</pre>

	grub-install --target=x86_64-efi --efi-~~root~~=/~~dev~~/~~sdXZ~~		<pre>grub-install --target=x86_64-efi --efi-directory=/boot/efi
	grub-mkconfig -o /boot/grub/grub.cfg</pre>		grub-mkconfig -o /boot/grub/grub.cfg</pre>

2025-02-28T17:33:07Z

Create your own bluray player

← Older revision		Revision as of 17:33, 28 February 2025
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	2. An operating system installed on a computer like Debian		2. An operating system installed on a computer like Debian

	== Install makemkv ==		== Install makemkv and vlc and libraries ==

	Get the key for the apt archive		Get the key for the apt archive
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	Save the text file and run the following command to install makemkv		Save the text file and run the following command to install makemkv

	<pre>sudo apt update && sudo apt install -y makemkv-bin makemkv-oss</pre>		<pre>sudo apt update && sudo apt install -y makemkv-bin makemkv-oss vlc libbluray2 libaacs0</pre>

	makemkv is now installed.		makemkv and vlc is now installed.

	To use the full functionallity of makemkv you need to enter the beta key you can get from here:		To use the full functionallity of makemkv you need to enter the beta key you can get from here:
	https://forum.makemkv.com/forum/viewtopic.php?f=5&t=1053		https://forum.makemkv.com/forum/viewtopic.php?f=5&t=1053

2025-02-28T17:24:54Z

Install makemkv

← Older revision		Revision as of 17:24, 28 February 2025
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	<pre>sudo apt update && sudo apt install -y makemkv-bin makemkv-oss</pre>		<pre>sudo apt update && sudo apt install -y makemkv-bin makemkv-oss</pre>

	# makemkv is now installed:		makemkv is now installed.

			To use the full functionallity of makemkv you need to enter the beta key you can get from here:
			https://forum.makemkv.com/forum/viewtopic.php?f=5&t=1053

2025-02-28T17:19:58Z

← Older revision		Revision as of 17:19, 28 February 2025
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	in fstab block - mountpoint filesystem defaults,usrquota 0 0		in fstab block - mountpoint filesystem defaults,usrquota 0 0

			= Create your own bluray player =

			== Preperations ==
			1. A bluray player connect to a computer
			2. An operating system installed on a computer like Debian

			== Install makemkv ==

			Get the key for the apt archive
			<pre>sudo gpg --keyserver keyserver.ubuntu.com --recv-keys 94B56C64CA7278ECFC34E8808540356019F7E55B</pre>
			<pre>sudo gpg --export 94B56C64CA7278ECFC34E8808540356019F7E55B \| sudo tee /etc/apt/trusted.gpg.d/makemkv-beta.gpg</pre>
			Add repository APT
			<pre>sudo <editor> /etc/apt/sources.list.d/makemkv-beta.list</pre>
			In the text file add the following if you run Ubuntu 23.04 or Debian 12:

			<pre>deb https://ppa.launchpadcontent.net/heyarje/makemkv-beta/ubuntu lunar main
			deb-src https://ppa.launchpadcontent.net/heyarje/makemkv-beta/ubuntu lunar main </pre>

			Save the text file and run the following command to install makemkv

			<pre>sudo apt update && sudo apt install -y makemkv-bin makemkv-oss</pre>

			# makemkv is now installed:

2024-01-16T08:57:23Z

Boot Linux from GRUB shell

← Older revision		Revision as of 08:57, 16 January 2024
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	Next we need to choose the initramfs image		Next we need to choose the initramfs image

	<pre>~~inird~~ /boot/initramfs.img</pre>		<pre>initrd /boot/initramfs.img</pre>

	Use tab-complete to find a more specifici version to match a more specicific kernel in the previous step		Use tab-complete to find a more specifici version to match a more specicific kernel in the previous step

2023-09-26T20:13:24Z

← Older revision		Revision as of 20:13, 26 September 2023
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	=== backup with restic and file quotes ===		=== backup with restic and file quotes ===

			in debian you will need the package: quota

	make a lv or something with a filesystem on it		make a lv or something with a filesystem on it

	in fstab block - mountpoint filesystem defaults,usrquota 0 0		in fstab block - mountpoint filesystem defaults,usrquota 0 0

2023-09-26T20:06:12Z

← Older revision		Revision as of 20:06, 26 September 2023
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	== postgres ==		== postgres ==
	https://stackoverflow.com/questions/32439167/psql-could-not-connect-to-server-connection-refused-error-when-connecting-to		https://stackoverflow.com/questions/32439167/psql-could-not-connect-to-server-connection-refused-error-when-connecting-to

			=== backup with restic and file quotes ===

			make a lv or something with a filesystem on it

			in fstab block - mountpoint filesystem defaults,usrquota 0 0

2023-09-17T22:23:01Z

Boot Linux from GRUB shell

← Older revision		Revision as of 22:23, 17 September 2023
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	to find what partition it is on, do:		to find what partition it is on, do:

	<pre>ls (hd0,gpt1)/etc/issue</pre>		<pre>cat (hd0,gpt1)/etc/issue</pre>

	do this with the different disksk and partitions until you find one that outputs a line that says something about what Linux flavlour you are running.		do this with the different disksk and partitions until you find one that outputs a line that says something about what Linux flavlour you are running.

2023-07-24T11:38:08Z

vim

← Older revision		Revision as of 11:38, 24 July 2023
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	# trykk ~ for å endre fra stor til liten bokstav ;)		# trykk ~ for å endre fra stor til liten bokstav ;)

			# legg i toppen av dokumentet for å endre inrykk, etc
			vim:ts=4:sw=4:sts=4:et:ai

	=grub=		=grub=