You can install on a Debian installation as well.
To do so, on x86 simply install the system using the Debian netinst images. After that apply the commands below. Please do not install a graphical environment, use a minimal server installation only. For a step by step install guide have a look into the Debian minimal install guide.
On ARM devices check if there's an appropriate Armbian Stretch (OMV4) or Buster (OMV5) image available. After installing Armbian then use the armbian-config tool to install OMV in a single step with all performance and reliability tweaks included. If there's no Armbian for your device simply follow the steps outlined below.
Add the package repositories:
cat <<EOF >> /etc/apt/sources.list.d/openmediavault.list
deb http://packages.openmediavault.org/public erasmus main
# deb http://downloads.sourceforge.net/project/openmediavault/packages erasmus main
## Uncomment the following line to add software from the proposed repository.
# deb http://packages.openmediavault.org/public erasmus-proposed main
# deb http://downloads.sourceforge.net/project/openmediavault/packages erasmus-proposed main
## This software is not part of OpenMediaVault, but is offered by third-party
## developers as a service to OpenMediaVault users.
# deb http://packages.openmediavault.org/public erasmus partner
# deb http://downloads.sourceforge.net/project/openmediavault/packages erasmus partner
EOF
Install the 3 (Erasmus) package:
export LANG=C
export DEBIAN_FRONTEND=noninteractive
export APT_LISTCHANGES_FRONTEND=none
apt-get update
apt-get --allow-unauthenticated install openmediavault-keyring
apt-get update
apt-get --yes --force-yes --auto-remove --show-upgraded \
--no-install-recommends \
--option Dpkg::Options::="--force-confdef" \
--option DPkg::Options::="--force-confold" \
install postfix openmediavault
# Initialize the system and database.
omv-initsystem
Install HTTPS transport for APT to prevent MITM attack while downloading keyring:
apt-get update
apt-get install --yes apt-transport-https
Add the package repositories:
cat <<EOF >> /etc/apt/sources.list.d/openmediavault.list
deb https://packages.openmediavault.org/public arrakis main
# deb https://downloads.sourceforge.net/project/openmediavault/packages arrakis main
## Uncomment the following line to add software from the proposed repository.
# deb https://packages.openmediavault.org/public arrakis-proposed main
# deb https://downloads.sourceforge.net/project/openmediavault/packages arrakis-proposed main
## This software is not part of OpenMediaVault, but is offered by third-party
## developers as a service to OpenMediaVault users.
# deb https://packages.openmediavault.org/public arrakis partner
# deb https://downloads.sourceforge.net/project/openmediavault/packages arrakis partner
EOF
Install the 4 (Arrakis) package:
export LANG=C
export DEBIAN_FRONTEND=noninteractive
export APT_LISTCHANGES_FRONTEND=none
wget -O "/etc/apt/trusted.gpg.d/openmediavault-archive-keyring.asc" https://packages.openmediavault.org/public/archive.key
apt-key add "/etc/apt/trusted.gpg.d/openmediavault-archive-keyring.asc"
apt-get update
apt-get --allow-unauthenticated install openmediavault-keyring
apt-get update
apt-get --yes --auto-remove --show-upgraded \
--allow-downgrades --allow-change-held-packages \
--no-install-recommends \
--option Dpkg::Options::="--force-confdef" \
--option DPkg::Options::="--force-confold" \
install postfix openmediavault
# Initialize the system and database.
omv-initsystem