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NEW QUESTION 27
Install the RHEL system roles package and create a playbook called timesync.yml that:
--> Runs over all managed hosts.
--> Uses the timesync role.
--> Configures the role to use the time server 192.168.10.254 ( Hear in redhat lab
use "classroom.example.com" )
--> Configures the role to set the iburst parameter as enabled.

Answer:

Explanation:
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'

 

NEW QUESTION 28
Install and configure ansible
User bob has been created on your control node. Give him the appropriate permissions on the control node. Install the necessary packages to run ansible on the control node.
Create a configuration file /home/bob/ansible/ansible.cfg to meet the following requirements:
* The roles path should include /home/bob/ansible/roles, as well as any other path that may be required for the course of the sample exam.
* The inventory file path is /home/bob/ansible/inventory.
* Ansible should be able to manage 10 hosts at a single time.
* Ansible should connect to all managed nodes using the bob user.
Create an inventory file for the following five nodes:
nodel.example.com
node2.example.com
node3.example.com
node4.example.com
node5.example.com
Configure these nodes to be in an inventory file where node1 is a member of group dev. nodc2 is a member of group test, nodc3 is a member of group proxy, nodc4 and node 5 are members of group prod. Also, prod is a member of group webservers.

  • A. 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
    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
  • B. 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

Answer: B

 

NEW QUESTION 29
Create a role called sample-apache in /home/sandy/ansible/roles that enables and starts httpd, enables and starts the firewall and allows the webserver service. Create a template called index.html.j2 which creates and serves a message from /var/www/html/index.html Whenever the content of the file changes, restart the webserver service.
Welcome to [FQDN] on [IP]
Replace the FQDN with the fully qualified domain name and IP with the ip address of the node using ansible facts. Lastly, create a playbook in /home/sandy/ansible/ called apache.yml and use the role to serve the index file on webserver hosts.

  • A. Option
    EX294-a1e173861e181e89cfa863adc3caee50.jpg
    /home/sandy/ansible/roles/sample-apache/tasks/main.yml
    EX294-10a8a3ce0b4a0f5e28c488697bb3a116.jpg
    /home/sandy/ansible/roles/sample-apache/templates/index.html.j2
    In /home/sandy/ansible/roles/sample-apache/handlers/main.yml
    EX294-2c80d128b63fcf7f7ece9fedc98d500f.jpg
  • B. Option
    EX294-a1e173861e181e89cfa863adc3caee50.jpg
    /home/sandy/ansible/roles/sample-apache/tasks/main.yml
    EX294-10a8a3ce0b4a0f5e28c488697bb3a116.jpg
    /home/sandy/ansible/roles/sample-apache/templates/index.html.j2
    EX294-b9d460ab7c19f1358478133755e3fa0a.jpg
    In /home/sandy/ansible/roles/sample-apache/handlers/main.yml
    EX294-2c80d128b63fcf7f7ece9fedc98d500f.jpg

Answer: B

 

NEW QUESTION 30
Generate a hosts file:
* Download an initial template file hosts.j2 from http://classroom.example.com/
hosts.j2 to
/home/admin/ansible/ Complete the template so that it can be used to generate a file with a line for each inventory host in the same format as /etc/hosts:
172.25.250.9 workstation.lab.example.com workstation
* Create a playbook called gen_hosts.yml that uses this template to generate the file /etc/myhosts on hosts in the dev host group.
* When completed, the file /etc/myhosts on hosts in the dev host group should have a line for each managed host:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
172.25.250.10 serevra.lab.example.com servera
172.25.250.11 serevrb.lab.example.com serverb
172.25.250.12 serevrc.lab.example.com serverc
172.25.250.13 serevrd.lab.example.com serverd
-----------------------------------------------------------------
while practising you to create these file hear. But in exam have to download as per questation.
hosts.j2 file consists.
localhost localhost.localdomain localhost4 localhost4.localdomain4
::1
localhost localhost.localdomain localhost6 localhost6.localdomain6
-------------------------------------------------------------------

Answer:

Explanation:
Solution as:
# pwd
/home/admin/ansible
# wget http://classroom.example.com/hosts.j2
# vim hosts.j2
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1
localhost localhost.localdomain localhost6 localhost6.localdomain6
{% for host in groups['all'] %}
{{ hostvars[host]['ansible_facts']['default_ipv4']['address'] }} {{ hostvars[host]
['ansible_facts']['fqdn'] }} {{ hostvars[host]['ansible_facts']['hostname'] }}
{% endfor %}
:wq!
# vim gen_hosts.yml
---
- name: collecting all host information
hosts: all
tasks:
- name:
template:
src: hosts.j2
dest: /etc/myhosts
when: inventory_hostname in groups['dev']
:wq
# ansible-playbook gen_hosts.yml --syntax-check
# ansible-playbook gen_hosts.yml

 

NEW QUESTION 31
......

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