Free EX294 – Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 Practice Test Question

Reference / correct answer:

Solution as:

# pwd

/home/admin/ansible

# vim hwreport.yml

- name:

hosts: all

ignore_errors: yes

tasks:

- name: download file

get_url:

url: http://classroom.example.com/content/ex407/hwreport.empty

dest: /root/hwreport.txt

- name: vdasize

replace:

regexp: "vdasize"

replace: "{{ ansible_facts.devices.vda.size }}"

dest: /root/hwreport.txt

register: op1

- debug:

var: op1

- name: none

replace:

regexp: "vdasize"

replace: NONE

dest: /root/hwreport.txt

when:

op1.failed == true

- name: vdbsize

replace:

regexp: "vdbsize"

replace: "{{ ansible_facts.devices.vdb.size }}"

dest: /root/hwreport.txt

register: op2

- debug:

var: op2

- name: none

replace:

regexp: "vdbsize"

replace: NONE

dest: /root/hwreport.txt

when:

op2.failed == true

- name: sysinfo

replace:

regexp: "{{item.src}}"

replace: "{{item.dest}}"

dest: /root/hwreport.txt

loop:

- src: "hostname"

dest: "{{ ansible_facts.fqdn }}"

- src: "biosversion"

dest: "{{ ansible_facts.bios_version }}"

- src: "memory"

dest: "{{ ansible_facts.memtotal_mb }}"

:wq!

# ansible-playbook hwreport.yml -–syntax-check

# ansible-playbook hwreport.yml

Reference / correct answer:

Solution as:

# pwd

/home/admin/ansible

# wget http://classroom.example.com/user_list.yml

# cat user_list.yml

# vim create_user.yml

---

- name:

hosts: all

vars_files:

- ./user_list.yml

- ./vault.yml

tasks:

- name: creating groups

group:

name: "{{ item }}"

state: present

loop:

- devops

- opsmgr

- name: creating user

user:

name: "{{ item.name }}"

state: present

groups: devops

password: "{{ dev_pass|password_hash ('sha512') }}"

loop: "{{ user }}"

when: (inventory_hostname in groups['dev'] or inventory_hostname in

groups['test']) and item.job == "developer"

- name: creating user

user:

name: "{{ item.name }}"

state: present

groups: opsmgr

password: "{{ mgr_pass|password_hash ('sha512') }}"

loop: "{{ user }}"

when: inventory_hostname in groups['prod'] and item.job == "manager"

:wq!

# ansible-playbook create_user.yml -–vault-password-file=password.txt -–syntax-check

# ansible-playbook create_user.yml -–vault-password-file=password.txt

Reference / correct answer:

Solution as:

# pwd

/home/admin/ansible

# vim hwreport.yml

- name:

hosts: all

ignore_errors: yes

tasks:

- name: download file

get_url:

url: http://classroom.example.com/content/ex407/hwreport.empty

dest: /root/hwreport.txt

- name: vdasize

replace:

regexp: "vdasize"

replace: "{{ ansible_facts.devices.vda.size }}"

dest: /root/hwreport.txt

register: op1

- debug:

var: op1

- name: none

replace:

regexp: "vdasize"

replace: NONE

dest: /root/hwreport.txt

when:

op1.failed == true

- name: vdbsize

replace:

regexp: "vdbsize"

replace: "{{ ansible_facts.devices.vdb.size }}"

dest: /root/hwreport.txt

register: op2

- debug:

var: op2

- name: none

replace:

regexp: "vdbsize"

replace: NONE

dest: /root/hwreport.txt

when:

op2.failed == true

- name: sysinfo

replace:

regexp: "{{item.src}}"

replace: "{{item.dest}}"

dest: /root/hwreport.txt

loop:

- src: "hostname"

dest: "{{ ansible_facts.fqdn }}"

- src: "biosversion"

dest: "{{ ansible_facts.bios_version }}"

- src: "memory"

dest: "{{ ansible_facts.memtotal_mb }}"

:wq!

# ansible-playbook hwreport.yml -–syntax-check

# ansible-playbook hwreport.yml

Reference / correct answer:

Solution as:

Check the proxy host by curl http://node3.example.com

Reference / correct answer:

Solution as:

# pwd

home/admin/ansible/

# sudo yum install rhel-system-roles.noarch -y

# cd roles/

# ansible-galaxy list

# cp -r /usr/share/ansible/roles/rhelsystem-roles.timesync .

# vim timesync.yml

---

- name: timesynchronization

hosts: all

vars:

timesync_ntp_provider: chrony

timesync_ntp_servers:

- hostname: classroom.example.com _ in exam its ip-address

iburst: yes

timezone: Asia/Kolkata

roles:

- rhel-system-roles.timesync

tasks:

- name: set timezone

timezone:

name: "{{ timezone }}"

:wq!

timedatectl list-timezones | grep india

# ansible-playbook timesync.yml --syntax-check

# ansible-playbook timesync.yml

# ansible all -m shell -a 'chronyc sources -v'

# ansible all -m shell -a 'timedatectl'

# ansible all -m shell -a 'systemctl is-enabled chronyd'