Exam Scenario 3

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Use the repo below to create VMs for this practice exam:

GitHub - victorbrca/rhce8-practice-env: RHCE v8 lab enviroment with practice exams.

• Register for a free Red Hat Developer subscription and register the control node. Set it to the 8.4 release.

Alternatively, run the following playbook from the control node:

Answers can also be found in the answers folder. I would advise to only use it as last resort.

• Create the following file structure under the vagrant user's home on the control node

• Configure the following options in ansible.cfg:
  • Default ssh user is vagrant
  • Privilege escalation
    • Enabled by default
    • User set to root
    • Method to use is 'sudo'
    • Do not ask for password
  • Roles path is set to ./roles
  • Inventory is set to ./inventories/lab_inventory.ini
  • Prompt for connection password
• Configure the inventory file with the following:
  • 'control' is part of the 'control' group and is set to use local connection
  • 'repo' is part of the 'repo' group
  • 'dv' group contains 'node1' and 'node3'
  • 'qa' group contains 'node2' and 'node4'
  • 'webserver' group contains 'node1', 'node2' and 'node3'. Use only one line to list the nodes under this group
  • 'sqlserver' group contains 'node4'

• Setup the control node so that the RHEL systems roles are available
• Add the RHEL systems roles to ansible.cfg
• Create the playbook playbooks/configure-ssh-config.yml using RHEL systems roles that sets the following configuration for the 'vagrant' user in the control node:
  • Disables strict host checking

• Using RHEL system roles, create the playbook playbooks/kernel-parameters.yml that configures the following kernel parameters on the 'dv' group:
  • fs.file-max = 400000
  • kernel.threads-max = 65536