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RedHat EX294 is a certification exam designed for IT professionals who want to prove their expertise in managing and deploying systems using Red Hat Enterprise Linux 8. This exam is also known as the Red Hat Certified Engineer (RHCE) exam, which is a globally recognized certification for Linux system administrators.

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RedHat Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 Exam Sample Questions (Q17-Q22):

NEW QUESTION # 17
Create a playbook called issue.yml in /home/sandy/ansible which changes the file /etc/issue on all managed nodes: If host is a member of (lev then write "Development" If host is a member of test then write "Test" If host is a member of prod then write "Production"

A. Solution as:
B. Solution as:

Answer: B

NEW QUESTION # 18
Create an ansible vault password file called lock.yml with the password reallysafepw in the /home/sandy/ansible directory. In the lock.yml file define two variables. One is pw_dev and the password is 'dev' and the other is pw_mgr and the password is 'mgr' Create a regular file called secret.txt which contains the password for lock.yml.

Answer:

Explanation:
ansible-vault create lock.yml
New Vault Password: reallysafepw
Confirm: reallysafepw

NEW QUESTION # 19
Create an empty encrypted file called myvault.yml in /home/sandy/ansible and set the password to notsafepw. Rekey the password to iwejfj2221.

Answer:

Explanation:
ansible-vault create myvault.yml
Create new password: notsafepw Confirm password: notsafepw ansible-vault rekey myvault.yml
Current password: notsafepw New password: iwejfj2221 Confirm password: iwejfj2221

NEW QUESTION # 20
Create a playbook called packages.yml that:
----------------------------------------------
-- Installs the php and mariadb packages on hosts in the dev, test, and prod host
groups.
-- Installs the Development Tools package group on hosts in the dev host group.
-- Updates all packages to the latest version on hosts in the dev host group.

Answer:

Explanation:
Solution as:
# pwd
home/admin/ansible/
# vim packages.yml
---
- name: Install the packages
hosts: dev,test,prod
vars:
- php_pkg: php
- mariadb_pkg: mariadb
tasks:
- name: install the packages
yum:
name:
- "{{ php_pkg }}"
- "{{ mariadb_pkg }}"
state: latest
- name: install the devops tool packages
hosts: dev
tasks:
- name: install devepment tools
yum:
name: "@Development Tools"
state: latest
- name: upgrade all the packages
yum:
name: "*"
state: latest
exclude: kernel*
!wq
# ansible-playbook package.yml --syntax-check
# ansible-playbook package.yml

NEW QUESTION # 21
Install and configure ansible
User sandy has been created on your control node with the appropriate permissions already, do not change or modify ssh keys. Install the necessary packages to run ansible on the control node. Configure ansible.cfg to be in folder /home/sandy/ansible/ansible.cfg and configure to access remote machines via the sandy user. All roles should be in the path /home/sandy/ansible/roles. The inventory path should be in /home/sandy/ansible/invenlory.
You will have access to 5 nodes.
node1.example.com
node2.example.com
node3.example.com
node4.example.com
node5.example.com
Configure these nodes to be in an inventory file where node I is a member of group dev. nodc2 is a member of group test, node3 is a member of group proxy, nodc4 and node 5 are members of group prod. Also, prod is a member of group webservers.

Answer:

Explanation:
In/home/sandy/ansible/ansible.cfg
[defaults]
inventory=/home/sandy/ansible/inventory
roles_path=/home/sandy/ansible/roles
remote_user= sandy
host_key_checking=false
[privilegeescalation]
become=true
become_user=root
become_method=sudo
become_ask_pass=false
In /home/sandy/ansible/inventory
[dev]
node 1 .example.com
[test]
node2.example.com
[proxy]
node3 .example.com
[prod]
node4.example.com
node5 .example.com
[webservers:children]
prod

NEW QUESTION # 22
......

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