OpenShift on Baremetal

Prerequisites

  • Follow the GitHub Repository
    ocp4-metal-install

  • Create a RHEL 8 or 9 Virtual Machine on VMware Workstation

    • Ensure the VM has two network interfaces (NICs) configured as Bridge:
      • NIC 1: Connected to the public network (Internet access)
      • NIC 2: Used for internal network communication
        • Assign a static IP (e.g., 192.168.22.1/24)
        • Learn how to generate and manage MAC addresses

  • Understand Firewalld Configuration

    • Learn about:
      • public and private zones
      • How to open ports and allow services

  • Install and Configure a DHCP Server

    • Learn how to assign static IPs using MAC addresses
    • Test by confirming DHCP leases to other VMs

  • Set Up DNS (BIND/named) on RHEL 8

    • Make necessary DNS configuration changes
    • Verify DNS resolution from other VMs

  • Learn HAProxy

    • Understand its role in API load balancing and routing

  • Set Up an HTTP Server with a Custom Port

    • Host sample content
    • Access the hosted content from other VMs

  • Configure NFS for Storage Class Usage

  • Set System Timezone to UTC

    timedatectl
sudo timedatectl set-timezone UTC

  • Check Network Devices

    nmcli device status
nmcli connection show

  • Activate a Network Connection

    nmcli connection up <connection-name>

  • Add a New Network Profile (If IP is not assigned)

    nmcli con add type ethernet ifname ens160 con-name ens160

  • Bring the Connection Up

    nmcli con up ens160

Configure Local YUM Repository Using ISO

  1. Mount the ISO Image

    mount /dev/sr0 /mnt/

  2. Create a Local YUM Repository File

    cat << EOF > /etc/yum.repos.d/rhel8-local.repo
[BaseOS]
name=RHEL8 BaseOS
baseurl=file:///mnt/BaseOS
enabled=1
gpgcheck=0

[AppStream]
name=RHEL8 AppStream
baseurl=file:///mnt/AppStream
enabled=1
gpgcheck=0
EOF