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vm_rhel9.md

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RHEL 9 Virtual Machine with Libvirt

Start by downloading the RHEL 9.1 ISO boot image for x86_64 or aarch64 architecture from the https://developers.redhat.com/products/rhel/download location.

Creating VM

Create a RHEL virtual machine with 2 cores, 4096MB of RAM and 50GB of storage.

Install the libvirt packages and reboot your system to start the virtualization environment.

sudo dnf install -y libvirt virt-manager virt-install virt-viewer libvirt-client qemu-kvm qemu-img

Move the ISO image to /var/lib/libvirt/images directory and run the following command to create a virtual machine.

VMNAME="rhel-dev"
sudo -b bash -c " \
cd /var/lib/libvirt/images/ && \
virt-install \
    --name ${VMNAME} \
    --vcpus 2 \
    --memory 4096 \
    --disk path=./${VMNAME}.qcow2,size=50 \
    --network network=default,model=virtio \
    --os-type generic \
    --events on_reboot=restart \
    --cdrom ./rhel-8.7-$(uname -i)-boot.iso \
"

In the OS installation wizard, set the following options:

  • Root password and redhat administrator user

  • Select "Installation Destination"

    • Under "Storage Configuration" sub-section, select "Custom" radial button
    • Select "Done" to open a window for configuring partitions
    • Under "New Red Hat Enterprise Linux 9.x Installation", click "Click here to create them automatically"
    • Select the root partition (/)
      • On the right side of the menu, set "Desired Capacity" to 40 GiB
      • On the right side of the menu, verify the volume group is rhel.
      • Click "Update Settings" button

      This will preserve the rest of the allocatable storage for dynamically provisioned logical volumes.

    • Click "Done" button.
    • At the "Summary of Changes" window, select "Accept Changes"

  • Connect network card and set the hostname (i.e. sigstore-dev.ez)

  • Register the system with Red Hat using your credentials (toggle off Red Hat Insights connection)

  • In the Software Selection, select Minimal Install base environment and toggle on Headless Management to enable Cockpit

Click on Begin Installation and wait until the OS installation is complete.

Configuring VM

Log into the virtual machine using SSH with the redhat user credentials.

Run the following commands to configure SUDO and upgrade the system.

echo -e 'redhat\tALL=(ALL)\tNOPASSWD: ALL' | sudo tee /etc/sudoers.d/microshift
sudo dnf clean all -y
sudo dnf update -y