RedHat ex294 practice test
Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 Exam Exam
Question 1
Create a file in /home/sandy/ansible/ called report.yml. Using this playbook, get a file called
report.txt (make it look exactly as below). Copy this file over to all remote hosts at /root/report.txt.
Then edit the lines in the file to provide the real information of the hosts. If a disk does not exist then
write NONE.
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Question 2
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.exa
mple.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.
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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
Question 3
Create a playbook /home/sandy/ansible/motd.yml that runs on all inventory hosts and docs the
following: The playbook should replaee any existing content of/etc/motd in the following text. Use
ansible facts to display the FQDN of each host
On hosts in the dev host group the line should be "Welcome to Dev Server FQDN".
On hosts in the webserver host group the line should be "Welcome to Apache Server FQDN".
On hosts in the database host group the line should be "Welcome to MySQL Server FQDN".
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/home/sandy/ansible/apache.yml
/home/sandy/ansible/roles/sample-apache/tasks/main.yml
Question 4
Create a playbook that changes the default target on all nodes to multi-user tarqet. Do this in
playbook file called target.yml in /home/sandy/ansible
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- name: change default target
hosts: all
tasks:
- name: change target
file:
src: /usr/lib/systemd/system/multi-user.target dest: /etc/systemd/system/default.target state: link
Question 5
Create an empty encrypted file called myvault.yml in /home/sandy/ansible and set the password to
notsafepw. Rekey the password to iwejfj2221.
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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
Question 6
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"
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Question 7
Create a playbook called regulartasks.yml which has the system that append the date to
/root/datefile every day at noon. Name is job 'datejob'
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Question 8
Create a playbook called timesvnc.yml in /home/sandy/ansible using rhel system role timesync. Set
the time to use currently configured nip with the server 0.uk.
pool.ntp.org
. Enable burst. Do this on
all hosts.
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Question 9
Create a playbook called webdev.yml in 'home/sandy/ansible. The playbook will create a directory
Avcbdev on dev host. The permission of the directory are 2755 and owner is webdev. Create a
symbolic link from /Webdev to /var/www/html/webdev. Serve a file from Avebdev7index.html
which displays the text "Development" Curl
http://node1.example.com/webdev/index.html
to test
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Question 10
In /home/sandy/ansible/ create a playbook called logvol.yml. In the play create a logical volume
called Iv0 and make it of size 1500MiB on volume group vgO If there is not enough space in the
volume group print a message "Not enough space for logical volume" and then make a 800MiB Iv0
instead. If the volume group still doesn't exist, create a message "Volume group doesn't exist" Create
an xfs filesystem on all Iv0 logical volumes. Don't mount the logical volume.
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