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Original file line number | Diff line number | Diff line change |
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===================================== | ||
Debian 12 Quickstart | ||
===================================== | ||
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Install the basic services | ||
========================== | ||
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.. code-block:: bash | ||
sudo apt install firewalld nfs-kernel-server tftpd-hpa isc-dhcp-server | ||
.. note:: | ||
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If you get an error message concerning *isc-dhcp-server.service* you | ||
probably need to configure the network intarface that isc-dhcp-server | ||
will listen to. Run ``sudo dpkg-reconfigure isc-dhcp-server`` and enter | ||
the name of your cluster's private network interface (e.g. enp2s0). After that, you might also need to run ``sudo systemctl enable isc-dhcp-server``. | ||
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Install Warewulf and dependencies | ||
================================= | ||
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.. code-block:: bash | ||
sudo apt install build-essential curl unzip | ||
sudo apt install git golang libnfs-utils libgpgme-dev libassuan-dev | ||
mkdir ~/git | ||
cd ~/git | ||
git clone https://github.com/hpcng/warewulf.git | ||
cd warewulf | ||
git checkout main # or switch to a tag like 'v4.4.0' | ||
make all && sudo make install | ||
Configure firewalld | ||
=================== | ||
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Restart firewalld to register the added service file, add the service | ||
to the default zone, and reload. | ||
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.. code-block:: bash | ||
sudo systemctl restart firewalld | ||
sudo firewall-cmd --permanent --add-service warewulf | ||
sudo firewall-cmd --permanent --add-service nfs | ||
sudo firewall-cmd --permanent --add-service tftp | ||
sudo firewall-cmd --reload | ||
Configure the controller | ||
======================== | ||
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Edit the file ``/etc/warewulf/warewulf.conf`` and ensure that you've | ||
set the appropriate configuration parameters. Here are some of the | ||
defaults for reference assuming that ``192.168.200.1`` is the IP | ||
address of your cluster's private network interface: | ||
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.. code-block:: yaml | ||
WW_INTERNAL: 43 | ||
ipaddr: 192.168.200.1 | ||
netmask: 255.255.255.0 | ||
network: 192.168.200.0 | ||
warewulf: | ||
port: 9873 | ||
secure: false | ||
update interval: 60 | ||
autobuild overlays: true | ||
host overlay: true | ||
syslog: false | ||
dhcp: | ||
enabled: true | ||
range start: 192.168.200.50 | ||
range end: 192.168.200.99 | ||
systemd name: isc-dhcp-server | ||
tftp: | ||
enabled: true | ||
systemd name: tftpd-hpa | ||
nfs: | ||
enabled: true | ||
export paths: | ||
- path: /home | ||
export options: rw,sync | ||
mount options: defaults | ||
mount: true | ||
- path: /opt | ||
export options: ro,sync,no_root_squash | ||
mount options: defaults | ||
mount: false | ||
systemd name: nfs-server | ||
.. note:: | ||
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The DHCP range ends at ``192.168.200.99`` and as you will see | ||
below, the first node static IP address (post boot) is configured | ||
to ``192.168.200.100``. | ||
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Start and enable the Warewulf service | ||
===================================== | ||
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.. code-block:: bash | ||
# Start and enable the warewulfd service | ||
sudo systemctl enable --now warewulfd | ||
Configure system services automatically | ||
======================================= | ||
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There are a number of services and configurations that Warewulf relies | ||
on to operate. If you wish to configure all services, you can do so | ||
individually (omitting the ``--all``) will print a help and usage | ||
instructions. | ||
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.. code-block:: bash | ||
sudo wwctl configure --all | ||
.. note:: | ||
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If you just installed the system fresh and have SELinux enforcing, | ||
you may need to reboot the system at this stage to properly set the | ||
contexts of the TFTP contents. After rebooting, you might also need | ||
to run ``$ sudo restorecon -Rv /var/lib/tftpboot/`` if there are | ||
errors with TFTP still. | ||
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Pull and build the VNFS container (including the kernel) | ||
======================================================== | ||
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This will pull a basic VNFS container from Docker Hub and import the | ||
default running kernel from the controller node and set both in the | ||
"default" node profile. | ||
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.. code-block:: bash | ||
wwctl container import docker://ghcr.io/hpcng/warewulf-debian:12.0 debian-12.0 | ||
Set up the default node profile | ||
=============================== | ||
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Node configurations can be set via node profiles. Each node by default | ||
is configured to be part of the ``default`` node profile, so any | ||
changes you make to that profile will affect all nodes. | ||
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The following command will set the container we just imported above to | ||
the ``default`` node profile: | ||
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.. code-block:: bash | ||
sudo wwctl profile set --yes --container debian-12.0 "default" | ||
Next we set some default networking configurations for the first | ||
ethernet device. On modern Linux distributions, the name of the device | ||
is not critical, as it will be setup according to the HW | ||
address. Because all nodes will share the netmask and gateway | ||
configuration, we can set them in the default profile as follows: | ||
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.. code-block:: bash | ||
sudo wwctl profile set --yes --netdev eth0 --netmask 255.255.255.0 --gateway 192.168.200.1 "default" | ||
Once those configurations have been set, you can view the changes by | ||
listing the profiles as follows: | ||
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.. code-block:: bash | ||
sudo wwctl profile list -a | ||
Add a node | ||
========== | ||
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Adding nodes can be done while setting configurations in one | ||
command. Here we are setting the IP address of ``eth0`` and setting | ||
this node to be discoverable, which will then automatically have the | ||
HW address added to the configuration as the node boots. | ||
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Node names must be unique. If you have node groups and/or multiple | ||
clusters, designate them using dot notation. | ||
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Note that the full node configuration comes from both cascading | ||
profiles and node configurations which always supersede profile | ||
configurations. | ||
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.. code-block:: bash | ||
sudo wwctl node add n0000.cluster --ipaddr 192.168.200.100 --discoverable true | ||
At this point you can view the basic configuration of this node by | ||
typing the following: | ||
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.. code-block:: bash | ||
sudo wwctl node list -a n0000.cluster | ||
To make node changes effective, it is a good practice to update warewulf | ||
overlays with the following command: | ||
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.. code-block:: bash | ||
sudo wwctl overlay build | ||
Now, turn on your compute node and watch it boot! |
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