From 05f253433d6d8814c139aff089b92d4be1fe4469 Mon Sep 17 00:00:00 2001 From: Silvio Rhatto Date: Sun, 3 Jul 2016 10:46:46 -0300 Subject: Adds LICENSE and remaining docs --- barebones.mdwn | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 barebones.mdwn (limited to 'barebones.mdwn') diff --git a/barebones.mdwn b/barebones.mdwn new file mode 100644 index 0000000..b66cbcb --- /dev/null +++ b/barebones.mdwn @@ -0,0 +1,54 @@ +[[!meta title="Bootless: barebones approach"]] + +This tutorial helps you to build a Grub USB stick to boot your operating systems. + +Create basic folder structure +----------------------------- + + mkdir -p /tmp/bootless/{grub,custom} + wget https://git.fluxo.info/bootless/plain/templates/grub.cfg -O /tmp/bootless/grub/grub.cfg + wget https://git.fluxo.info/bootless/plain/templates/custom.cfg -O /tmp/bootless/grub/custom.cfg + +Edit the config files +--------------------- + +Please check and customized the downloaded configuration above. The defaults allows you to load into Grub +and boot your OS using the grub shell. + +Example: Full Disk Encryption +----------------------------- + +Here is an example of a Full Disk Encryption with an entry loaded into `custom.cfg`: + + menuentry darkstar { + # Loads luks and lvm modules so you can access kernel + # and initrd from inside your encrypted OS! + insmod luks + insmod lvm + + # This opens the encrypted volume /dev/mapper/darkstar-root + # and sets it as the root in the grub shell. + cryptomount lvm/darkstar-root + set root=(crypto0) + + # This loads the kernel and initramfs + echo "Loading ${volume}..." + linux /boot/vmlinuz-3.16.0-4-amd64 root=/dev/mapper/root cryptopts=target=root,source=/dev/mapper/darkstar-root ro quiet + echo 'Loading initial ramdisk ...' + initrd /boot/initrd.img-3.16.0-4-amd64 + } + +Example: boot with images loaded into the USB stick +--------------------------------------------------- + +You may also place custom images into the USB stick -- with the drawback to have to keep them up-to-date: + + cp -r /boot /tmp/bootless/custom/debian + + menuentry darkstar { + # This loads the kernel and initramfs using images preloaded into the USB stick. + echo "Loading ${volume}..." + linux /boot/custom/debian/vmlinuz-3.16.0-4-amd64 root=/dev/mapper/root cryptopts=target=root,source=/dev/mapper/darkstar-root ro quiet + echo 'Loading initial ramdisk ...' + initrd /boot/custom/debian/initrd.img-3.16.0-4-amd64 + } -- cgit v1.2.3