Microshift installation on RHEL 9.2

MicroShift 4.13 installation on RedHat Enterprise Linux 9.2

by

Prerequisite

Red Hat Enterprise Linux 9.2.

Please refer Installation of Red Hat Enterprise Linux 9.2 using developer account for installation of RHEL 9.2.

Enable the Red Hat build of MicroShift repositories by running the following command

sudo subscription-manager repos \
    --enable rhocp-4.13-for-rhel-9-$(uname -m)-rpms \
    --enable fast-datapath-for-rhel-9-$(uname -m)-rpms

Install Red Hat build of MicroShift and openshift clients by running the following command.

sudo dnf install -y microshift openshift-clients

Configure firewall rules

sudo firewall-cmd --permanent --zone=trusted --add-source=10.42.0.0/16
sudo firewall-cmd --permanent --zone=trusted --add-source=169.254.169.1
sudo firewall-cmd --reload

Download pull secret for Red Hat registry authentication

Open https://console.redhat.com/openshift/install/pull-secret and click on ‘Download pull secret’. Pull secret file is downloaded as ‘pull-secret.txt’ file.

OCP Pull Secret Download

Conifgure pull-secret.json

  • Upload pull secret file to target machine and rename file to pull-secret.json.
  • Copy the pull secret to the /etc/crio folder.
sudo cp pull-secret.json /etc/crio/openshift-pull-secret
  • Make the root user the owner of the /etc/crio/openshift-pull-secret file by running the following command.
sudo chown root:root /etc/crio/openshift-pull-secret
  • Make the /etc/crio/openshift-pull-secret file readable and writeable by the root user only by running the following command.
sudo chmod 600 /etc/crio/openshift-pull-secret

Start the MicroShift service

sudo systemctl start microshift

To start MicroShift when machine starts, enter the following command

sudo systemctl enable microshift

Check the service logs by running below command

journalctl -u microshift.service -f

Create kubeconfig file in home directory

mkdir ~/.kube
sudo cat /var/lib/microshift/resources/kubeadmin/kubeconfig > ~/.kube/config

Check the status of pods by running below command. The installation might take several minutes to complete.

[ability@localhost ~]$ oc get po -A
NAMESPACE                  NAME                                 READY   STATUS              RESTARTS   AGE
openshift-dns              node-resolver-mcdxd                  0/1     ContainerCreating   0          2m3s
openshift-ingress          router-default-65864549b5-fbrkl      0/1     Pending             0          2m3s
openshift-ovn-kubernetes   ovnkube-master-q729v                 0/4     ContainerCreating   0          2m3s
openshift-ovn-kubernetes   ovnkube-node-spbf4                   0/1     ContainerCreating   0          2m3s
openshift-service-ca       service-ca-764bd7f7b7-c82g5          0/1     Pending             0          2m4s
openshift-storage          topolvm-controller-f58fcd7cb-m9ng4   0/4     Pending             0          2m3s