What Should I know About The RHCE/ex294 Exam

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RHCE/EX294.v9 exam practice questions 1

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On drdev1.tekneed.com, install and configure Ansible as follows:

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*Install the necessary packages.

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*Create a static inventory file called /home/lisa/ansible/inventory as follows:
– host1.tekneed.com is a member of the development host group
– host2.tekneed.com is a member of the quality_assurance host group
– host3.tekneed.com and host4.tekneed.com are members of the production host group
– host5.tekneed.com is a member of the security host group
– The security group is a member of the hpc_servers host group

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*Create a configuration file called ansible.cfg as follows:

– /home/lisa/ansible/inventory/ must be defined as the host inventory file.
– /home/lisa/ansible/roles/ must be the location of the roles in the playbooks

-The escalation user, and the user that will be used to manage the remote hosts must be root.

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This question is based on installing, configuring, and creating Ansible static inventory in the RHCE/EX294 course on this website. If you have gone through this course, solving this wouldn’t be a problem.

RHCE/EX294 Course

Installing Ansible In Linux

Creating and Managing Ansible Configuration File

Setup/Build Ansible Static Inventory

Answer

1. Install Ansible

[lisa@drdev1 ~]$ sudo dnf install ansible-core ansible-navigator tree -y

Updating Subscription Management repositories.
.........
 ansible-core             x86_64     2.13.3-2.el9_1       rhel-9-for-x86_64-appstream-rpms     2.7 M
Installing dependencies:
....................

2. Create the static inventory with the name, /home/lisa/ansible/inventory

[lisa@drdev1 ~]$ mkdir -p /home/lisa/ansible/

[lisa@drdev1 ~]$ vim /home/lisa/ansible/inventory

[development]
host1.tekneed.com

[quality_assurance]
host2.tekneed.com

[production]
host3.tekneed.com
host4.tekneed.com

[security]
host5.tekneed.com

[hpc_servers:children]
security

3. create the ansible.cfg configuration file, and add the inventory and roles path.

NOTE: you can always use the Ansible global configuration file (/etc/ansible/ansible.cfg) as a reference in case you forget any key-value pair to use in the configuration file.

[lisa@drdev1 ~]$ vim /home/lisa/ansible/ansible.cfg

[defaults]
inventory=/home/lisa/ansible/inventory
roles_path=/home/lisa/ansible/roles:/etc/ansible/roles:/usr/share/ansible/roles
ask_pass=false
remote_user=root

[privilege_escalation]
become=true
become_method=sudo
become_user=root
become_ask_pass=false

NB: The roles path that will be added will be the ones defined in your questions.

4. Verify the inventory configuration

[controller@drdev1 ~]$ cd /home/lisa/ansible/

[lisa@drdev1 ansible]$ ansible --list-hosts all
  hosts (5):
    host1.tekneed.com
    host2.tekneed.com
    host3.tekneed.com
    host4.tekneed.com
    host5.tekneed.com

5. Verify the current Ansible configuration file.

[lisa@drdev1 ansible]$ ansible --version

ansible [core 2.13.3]
  config file = /home/lisa/ansible/ansible.cfg
  configured module search path = ['/home/lisa/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python3.9/site-packages/ansible
  ansible collection location = /home/lisa/.ansible/collections:/usr/share/ansible/collections
  executable location = /usr/bin/ansible
  python version = 3.9.10 (main, Feb  9 2022, 00:00:00) [GCC 11.2.1 20220127 (Red Hat 11.2.1-9)]
  jinja version = 3.1.2
  libyaml = True

6. If you wish, you can also test by pinging all the managed hosts

[lisa@drdev1 ansible]$ ansible all -m ping

Solution Summary

#dnf install ansible
#vim /home/lisa/ansible/inventory
#vim /home/lisa/ansible/.ansible.cfg
#ansible all -m ping

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