teejee2008

# <target name> <source device> <key file> <options>

xps_system /dev/disk/by-partlabel/xps_system none luks,discard

teejee2008

gedit /etc/crypttab

teejee2008

# <file system> <mount point> <type> <options> <dump> <pass>

/dev/mapper/xps_system			/		btrfs	defaults,subvol=@xenial,noatime		0	1
/dev/mapper/xps_system			/home		btrfs	defaults,subvol=@xenial_home,noatime	0	2
/dev/disk/by-partlabel/xps_boot_xenial	/boot		ext4	defaults,noatime			0	2
/dev/disk/by-partlabel/xps_efi		/boot/efi	vfat	defaults				0	2

teejee2008

gedit /etc/fstab

teejee2008

"Boot with standard options"  "root=/dev/mapper/xps_system ro rootflags=subvol=@xenial cryptopts=target=xps_system,source=/dev/disk/by-partlabel/xps_system rootflags=subvol=@xenial quiet splash vt.handoff=7"
"Boot to single-user mode"    "root=/dev/mapper/xps_system ro rootflags=subvol=@xenial cryptopts=target=xps_system,source=/dev/disk/by-partlabel/xps_system rootflags=subvol=@xenial quiet splash vt.handoff=7 single"
"Boot with minimal options"   "ro root=/dev/mapper/xps_system"

teejee2008

cd /boot && \
sudo grub-mkimage -o core.efi --format=x86_64-efi '--prefix=(hd0,gpt2)/grub' ext2 part_gpt

teejee2008

sudo apt-add-repository ppa:rodsmith/refind && \
sudo apt-get update && \
sudo apt-get install refind

teejee2008

update-initramfs -u -k all && \
update-grub && \
grub-install --target=x86_64-efi --efi-directory=/boot/efi /dev/sda

teejee2008

GRUB_CMDLINE_LINUX="cryptopts=target=xps_system,source=/dev/disk/by-partlabel/xps_system rootflags=subvol=@xenial"

teejee2008

gedit /etc/default/grub