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Jim Paris bc8807ae7d Use UID in systemd container name 4 years ago
files Fix hostnames for install 5 months ago
.gitignore Fix qemu options so a full install really works 4 years ago
README.md Start porting to Ubuntu 20.04.1 5 months ago
backup.sh Add scripts to backup/restore FS directory 4 years ago
buildiso.sh Start porting to Ubuntu 20.04.1 5 months ago
cleanup.sh Fix some deficiencies in enter.sh 4 years ago
config Start porting to Ubuntu 20.04.1 5 months ago
config-20.04.1 Start porting to Ubuntu 20.04.1 5 months ago
customize.sh Fix hostname resolution in systemd container 5 months ago
enter.sh Use UID in systemd container name 5 months ago
extractiso.sh Grab ISO from parent directory if it's there 4 years ago
full-rebuild.sh Fix full-rebuild.sh 4 years ago
restore.sh Add scripts to backup/restore FS directory 4 years ago
run.sh Fix qemu options for better performance 5 months ago

README.md

Nilmbuntu

Tools to customize an Ubuntu Live CD. Many parts of this will end up being version-specific. The host machine must be running systemd, since the image is executed inside a systemd-nspawn container.

Set up host machine:

sudo apt install squashfs-tools xorriso isolinux systemd-container iptables
sudo systemctl start systemd-networkd

Choose a config:

export BUILD_CONFIG=20.04.1

Download and extract the original ISO:

./extractiso.sh

Apply customizations, both to the outer ISO and the inner image. This will also run customizer-inner.sh inside a container:

./customize.sh

(Optional) Run and enter a shell in the container, for manual customization:

./enter.sh

Build the new ISO:

./buildiso.sh

Boot the ISO in QEMU with a blank HDD, to test and install:

./run.sh -c

Boot QEMU with the same HDD image as above, to test an “installed” system:

./run.sh -d

Remove everything but the ISOs:

./cleanup.sh