Remove obsolete instructions regarding kernel overrides
Signed-off-by: Jonathon Anderson <janderson@ciq.com>
This commit is contained in:
Jonathon Anderson
@@ -147,7 +147,7 @@ may be overridden using ``warewulf.conf:paths``.
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* ``wwchrootdir``: The source for Warewulf images.
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* ``wwprovisiondir``: Where to store built overlays, built images, and imported kernels.
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* ``wwprovisiondir``: Where to store built overlays and images.
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* ``wwclientdir``: Where the Warewulf client looks for its configuration on a provisioned node.
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@@ -19,8 +19,7 @@ Controller
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Kernel
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In addition to an image, Warewulf also requires a kernel (typically a Linux kernel) in order to provision a node.
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Kernels may be imported independently into Warewulf, either from the controller or from an image;
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however, recent versions of Warewulf (after v4.3.0) support automatically provisioning with a kernel detected and extracted from the image itself.
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Warewulf (after v4.3.0) automatically provisions a kernel detected and extracted from the image itself.
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In most cases, kernels may be installed in the image using normal system packages, and no special consideration is necessary.
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Node
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@@ -109,7 +109,6 @@ Node View
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n001 discoverable -- --
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n001 init -- (/sbin/init)
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n001 asset -- --
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n001 kerneloverride -- tw
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n001 kernelargs -- (quiet crashkernel=no net.ifnames=1)
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n001 ipmiaddr -- --
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n001 ipminetmask -- --
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@@ -93,7 +93,6 @@ You can also see the node's full attribute list by specifying the
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n001 discoverable -- --
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n001 init -- (/sbin/init)
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n001 asset -- --
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n001 kerneloverride -- --
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n001 kernelargs -- (quiet crashkernel=no net.ifnames=1)
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n001 ipmiaddr -- --
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n001 ipminetmask -- --
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@@ -124,12 +123,6 @@ You can also see the node's full attribute list by specifying the
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Setting Node Attributes
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=======================
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In the above output we can see that there is no kernel or image
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defined for this node. To provision a node, the minimum requirements
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are a kernel and image, and for that node to be useful, we will
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also need to configure the network so the nodes are reachable after
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they boot.
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Node configurations are set using the ``wwctl node set`` command. To
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see a list of all configuration attributes, use the command ``wwctl
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node set --help``.
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@@ -161,7 +154,7 @@ provide the network information as follows:
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Are you sure you want to modify 1 nodes(s): y
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You can now see that the node contains configuration attributes for
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image, kernel, and network:
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image and network:
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.. code-block:: console
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@@ -178,7 +171,6 @@ image, kernel, and network:
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n001 discoverable -- --
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n001 init -- (/sbin/init)
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n001 asset -- --
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n001 kerneloverride -- tw
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n001 kernelargs -- (quiet crashkernel=no net.ifnames=1)
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n001 ipmiaddr -- --
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n001 ipminetmask -- --
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@@ -56,7 +56,7 @@ occur:
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#. The Warewulf server will generate the iPXE configuration which
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will include directions of what else is necessary to download
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and how to boot.
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#. The kernel, image, kernel modules, and overlays
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#. The kernel, image, and overlays
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are all downloaded over REST HTTP from the Warewulf Server
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#. iPXE executes the kernel and processes the overlays to provide
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a unified root file system
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@@ -84,7 +84,7 @@ through the following command :
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c001 RUNTIME_OVERLAY __RUNTIME__.img.gz 16
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For each node, there is 4 different stages :
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For each node, there are 4 different stages :
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* **IPXE**
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* **KERNEL**
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@@ -7,8 +7,7 @@ Warewulf's command-line interface is based primarily around the
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component of Warewulf's functionality.
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* ``configure`` configures system services that Warewulf depends on
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* ``image`` configures images (node images)
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* ``kernel`` configures override kernels
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* ``image`` configures (node) images
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* ``node`` manages nodes in the cluster
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* ``profiles`` defines configuration which can be applied to multiple
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nodes
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@@ -101,9 +101,8 @@ Build and install Warewulf on wwdev
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sudo wwctl configure nfs # Configure NFS exports
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sudo wwctl configure ssh # Build the basic ssh keys to be included by the ssh overlays
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# Pull and build the image and kernel
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# Pull and build the image
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sudo wwctl image import docker://ghcr.io/warewulf/warewulf-centos:7 centos-7 --setdefault
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sudo wwctl kernel import build $(uname -r) --setdefault
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# Set up the default node profile
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sudo wwctl profile set default -K $(uname -r) -C centos-7
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@@ -116,9 +116,8 @@ I have VirtualBox running on my desktop.
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sudo wwctl configure nfs --persist # Configure the NFS exports
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sudo wwctl configure ssh --persist # Build the basic ssh keys to be included by the SSH overlay
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# Pull and build the image and kernel
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# Pull and build the image
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sudo wwctl image import docker://ghcr.io/warewulf/warewulf-centos:7 centos-7 --setdefault
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sudo wwctl kernel import build $(uname -r) --setdefault
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# Set up the default node profile
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sudo wwctl profile set default -K $(uname -r) -C centos-7
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@@ -126,17 +126,16 @@ instructions.
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to run ``$ sudo restorecon -Rv /var/lib/tftpboot/`` if there are
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errors with TFTP still.
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Pull and build the image (including the kernel)
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===============================================
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Pull and build the image
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========================
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This will pull a basic image from Docker Hub and import the
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default running kernel from the controller node and set both in the
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"default" node profile.
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This will pull a basic image from Docker Hub
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and set it for the "default" node profile.
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.. code-block:: bash
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wwctl image import docker://ghcr.io/warewulf/warewulf-debian:12.0 debian-12.0
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wwctl profile set default --image=debian-12.0
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Set up the default node profile
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===============================
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@@ -146,9 +146,8 @@ configure --all``.
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Add a base node image
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=====================
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This will pull a basic node image from Docker Hub and import the
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default running kernel from the controller node and set both in the
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"default" node profile.
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This will pull a basic node image from Docker Hub
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and set it for the "default" node profile.
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.. code-block:: bash
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@@ -109,16 +109,16 @@ instructions.
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sudo wwctl configure --all
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Pull and build the image and kernel
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===================================
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Pull and build the image
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========================
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This will pull a basic image from Docker Hub and import the
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default running kernel from the controller node and set both in the
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"default" node profile.
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This will pull a basic image from Docker Hub
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and set it in the "default" node profile.
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.. code-block:: bash
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$ sudo wwctl image import docker://registry.opensuse.org/science/warewulf/leap-15.4/images/kernel:latest leap15.4 --setdefault
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$ sudo wwctl image import docker://registry.opensuse.org/science/warewulf/leap-15.4/containers/kernel:latest leap15.4
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$ sudo wwctl profile set default --image leap15.4
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Set up the default node profile
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===============================
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