The Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 Exam (EX294) validates your ability to automate system administration tasks using Ansible. This certification is designed for IT professionals who have already earned their Red Hat Certified System Administrator credential and want to advance their automation skills. This page outlines the exam structure, core topics, and practical preparation strategies to help you succeed on test day.
Use this topic map to guide your study for RedHat EX294 (Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 Exam) within the Red Hat Certified Engineer path.
The EX294 exam measures both theoretical knowledge and practical ability to implement Ansible automation. Questions are designed to assess your hands-on skills in configuring systems and writing working automation code.
Questions progress in difficulty and emphasize practical application over memorization, reflecting how Ansible is used in production environments.
An effective study plan breaks the exam topics into weekly goals and combines reading, hands-on practice, and timed review. Start with foundational Ansible concepts, move into playbook and role writing, then progress to advanced features and real-world scenarios.
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Playbook and role creation, along with Ansible module usage for system administration, typically represent the largest portion of the exam. Hands-on tasks emphasize these areas because they reflect real-world automation work. A solid understanding of control node setup and managed node configuration is also essential, as these form the foundation for all automation tasks.
In practice, you set up a control node with Ansible installed and SSH keys, configure managed nodes to accept connections, then write and run playbooks from the control node to automate tasks on the managed nodes. Understanding this end-to-end flow helps you see why each topic matters and how configuration decisions in one area affect the others.
Hands-on experience is critical for EX294 because the exam includes practical coding tasks. Prioritize labs that cover control node installation, SSH key setup, writing basic playbooks, creating roles, and using common modules like yum, service, user, and copy. Working through at least 10-15 complete playbook exercises before the exam significantly improves your confidence and speed.
Common errors include incorrect YAML syntax (spacing and indentation matter in playbooks), forgetting to configure SSH passwordless authentication on managed nodes, using the wrong module for a task, and not handling errors or edge cases in playbooks. Testing your playbooks in a lab before the exam catches most of these issues early.
In the final week, focus on timed practice tests to build pacing and identify remaining weak areas, then drill those specific topics with hands-on labs. Review your notes on role structure, variable scoping, and handler usage, as these are frequent sources of confusion. Avoid learning entirely new topics; instead, reinforce what you have already studied and practice troubleshooting broken playbooks.
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
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.
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.
Create a playbook called hwreport.yml that produces an output file called /root/
hwreport.txt on all managed nodes with the following information:
------------------------------------------------------------------------------------------------------
--> Inventory host name
--> Total memory in MB
--> BIOS version
--> Size of disk device vda
--> Size of disk device vdb
Each line of the output file contains a single key-value pair.
* Your playbook should:
--> Download the file hwreport.empty from the URL http://classroom.example.com/
hwreport.empty and
save it as /root/hwreport.txt
--> Modify with the correct values.
note: If a hardware item does not exist, the associated value should be set to NONE
----------------------------------------------------------------------------------------------
while practising you to create these file hear. But in exam have to download as per
questation.
hwreport.txt file consists.
my_sys=hostname
my_BIOS=biosversion
my_MEMORY=memory
my_vda=vdasize
my_vdb=vdbsize
Create a playbook called balance.yml as follows:
* The playbook contains a play that runs on hosts in balancers host group and uses
the balancer role.
--> This role configures a service to loadbalance webserver requests between hosts
in the webservers host group.curl
--> When implemented, browsing to hosts in the balancers host group (for example
http://node5.example.com) should produce the following output:
Welcome to node3.example.com on 192.168.10.z
--> Reloading the browser should return output from the alternate web server:
Welcome to node4.example.com on 192.168.10.a
* The playbook contains a play that runs on hosts in webservers host group and uses
the phphello role.
--> When implemented, browsing to hosts in the webservers host group with the URL /
hello.php should produce the following output:
Hello PHP World from FQDN
--> where FQDN is the fully qualified domain name of the host. For example,
browsing to http://node3.example.com/hello.php, should produce the following output:
Hello PHP World from node3.example.com
* Similarly, browsing to http://node4.example.com/hello.php, should produce the
following output:
Hello PHP World from node4.example.com