bootstrap/README.md

bootstrap

The script in this repo bootstraps Debian bookworm. The script may run in a grml live environment. Design decisions and usage instructions are outlined in the beginning of the script.

Basic usage

git clone https://git.in-ulm.de/ulpeters/bootstrap.git
cd bootstrap
cp config.sh.template config.sh
vi config.sh
./bootstrap-bookworm.sh install
# reboot
# run as root
/installer/bootstrap-bookworm.sh postinstall

Run in grml live environment

1. Boot grml amd64
2. Press e to setup network if neccessary
3. Press ⏎ to run a shell
4. Run Start ssh, with a capital S to start the ssh server
5. Run passwd to change the root password
6. ./config-get-netconf-eth0.sh to copy running grml in config.sh
7. Login via ssh and proceed with Basic usage

Qemu disk as installation target

To prepare a qemu disk as installation target run following commands and set disk=/dev/nbd0 in config.sh:

img="/var/lib/libvirt/images/ts-linux-testing.qcow2"
qemu-img create -f qcow2 -o size=20G $img  # create image
qemu-nbd -c /dev/nbd0 $img  # create device from image
qemu-nbd -d /dev/nbd0       # release device

Partition schema

• partition=mbr-single, recommended for small VMs, will prepare
  • a mbr partition table
  • a single partition formated as ext4 partition
  • install grub-pc
• partition=efi-single, recommended for small physical servers, will prepare
  • a gpt partion table
  • a 310 MB partition for efi
  • a 50 GB partition for the operation system
  • a partition with the remaining disk space for a luks container