01-Prerequisites.md

Prerequesites

• A management machine with a recent ansible installation:

  • This can be your workstation:

    • Mac: https://brew.sh and brew install ansible
    • Linux:
      • Red Hat-based: sudo dnf install ansible
      • Other: See the official docs
    • Windows: Not supported; use WSL

  • Or your first node in the cluster (doubling as management node):

    # enter management node
    ssh root@managementnode.my.net
    # install the epel repo and disable it
    dnf install -y epel-release
    dnf config-manager --set-disabled epel
    # install ansible and git (for cloning the repos)
    # RHEL 10, Alma 10, Rocky 10:
    dnf install -y ansible-core  ansible-collection-ansible-posix ansible-collection-community-general--enablerepo=epel
    # RHEL 9 , Alma 9 , Rocky 9:
    dnf install -y ansible --enablerepo=epel
    dnf install -y git

• 1 or 3+ cluster machines. The first machine can also double as management node.
  Set them up like described in Installation.