RedHat EX294 Real Exam Questions and Answers FREE
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NEW QUESTION # 12
Rekey an existing Ansible vault as follows:
-----------------------------------------------
* Download Ansible vault from http:// classroom.example.com /secret.yml to /home/
admin/ansible/
* The current vault password is curabete
* The new vault password is newvare
* The vault remains in an encrypted state with the new password
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible/
# wget http://classroom.example.com/secret.yml
# chmod 0600 newpassword.txt
# ansible-vault rekey vault.yml --new-vault-password-file=newpassword.txt
NEW QUESTION # 13
Create a file called requirements.yml in /home/sandy/ansible/roles to install two roles. The source for the first role is geerlingguy.haproxy and geerlingguy.php. Name the first haproxy-role and the second php-role. The roles should be installed in /home/sandy/ansible/roles.
- A. in /home/sandy/ansible/roles
vim requirements.yml
Run the requirements file from the roles directory:
ansible-galaxy install -r requirements.yml -p /home/sandy/ansible/roles - B. in /home/sandy/ansible/roles
vim requirements.yml
Run the requirements file from the roles directory:
ansible-galaxy install -r requirements.yml -p /home/sandy/ansible/roles
Answer: B
NEW QUESTION # 14
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.
Answer:
Explanation:
Solution as:
NEW QUESTION # 15
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 # 16
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.
- A. Solution as:
- B. Solution as:
Answer: A
NEW QUESTION # 17
Create Logical volumes with lvm.yml in all nodes according to following
requirements.
----------------------------------------------------------------------------------------
* Create a new Logical volume named as 'data'
* LV should be the member of 'research' Volume Group
* LV size should be 1500M
* It should be formatted with ext4 file-system.
--> If Volume Group does not exist then it should print the message "VG Not found"
--> If the VG can not accommodate 1500M size then it should print "LV Can not be
created with
following size", then the LV should be created with 800M of size.
--> Do not perform any mounting for this LV.
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible
# vim lvm.yml
---
- name:
hosts: all
ignore_errors: yes
tasks:
- name:
lvol:
lv: data
vg: research
size: "1500"
- debug:
msg: "VG Not found"
when: ansible_lvm.vgs.research is not defined
- debug:
msg: "LV Can not be created with following size"
when: ansible_lvm.vgs.research.size_g < "1.5"
- name:
lvol:
lv: data
vg: research
size: "800"
when: ansible_lvm.vgs.research.size_g < "1.5"
- name:
filesystem:
fstype: ext4
dev: /dev/research/data
:wq!
# ansible-playbook lvm.yml --syntax-check
# ansible-playbook lvm.yml
NEW QUESTION # 18
Create a file called packages.yml in /home/sandy/ansible to install some packages for the following hosts. On dev, prod and webservers install packages httpd, mod_ssl, and mariadb. On dev only install the development tools package. Also, on dev host update all the packages to the latest.
Answer:
Explanation:
Solution as:
** NOTE 1 a more acceptable answer is likely 'present' since it's not asking to install the latest
state: present
** NOTE 2 need to update the development node
- name: update all packages on development node
yum:
name: '*'
state: latest
NEW QUESTION # 19
Create a file called requirements.yml in /home/sandy/ansible/roles to install two roles. The source for the first role is geerlingguy.haproxy and geerlingguy.php. Name the first haproxy-role and the second php-role. The roles should be installed in /home/sandy/ansible/roles.
Answer:
Explanation:
in /home/sandy/ansible/roles
vim requirements.yml
Run the requirements file from the roles directory:
ansible-galaxy install -r requirements.yml -p /home/sandy/ansible/roles
NEW QUESTION # 20
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"
Answer:
Explanation:
Solution as:
NEW QUESTION # 21
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 # 22
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 # 23
Create a file called specs.empty in home/bob/ansible on the local machine as follows:
HOST=
MEMORY=
BIOS=
VDA_DISK_SIZE=
VDB_DISK_SIZE=
Create the playbook /home/bob/ansible/specs.yml which copies specs.empty to all remote nodes' path /root/specs.txt. Using the specs.yml playbook then edit specs.txt on the remote machines to reflect the appropriate ansible facts.
Answer:
Explanation:
Solution as:
NEW QUESTION # 24
Create a playbook /home/bob /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".
Answer:
Explanation:
/home/sandy/ansible/apache.yml
/home/sandy/ansible/roles/sample-apache/tasks/main.yml
Topic 2, LAB SETUP - 2
control.realmX.example.com _ workstation.lab.example.com
node1.realmX.example.com _ servera.lab.example.com
node2.realmX.example.com _ serverb.lab.example.com
node3.realmX.example.com _ serverc.lab.example.com
node4.realmX.example.com _ serverd.lab.example.com
node5.realmX.example.com
- username:root, password:redhat
- username:admin, password:redhat
note1. don't change 'root' or 'admin' password.
note2. no need to create ssh-keygen for access, its pre-defined
note3. SELinux is in enforcing mode and firewalld is disabled/stop on whole managed hosts.
NEW QUESTION # 25
Create a file called requirements.yml in /home/sandy/ansible/roles a file called role.yml in /home/sandy/ansible/. The haproxy-role should be used on the proxy host. And when you curl http://node3.example.com it should display "Welcome to node4.example.com" and when you curl again "Welcome to node5.example.com" The php-role should be used on the prod host.
- A. Solution as:
Check the proxy host by curl http://node3.example.com - B. Solution as:
Check the proxy host by curl http://node3.example.com
Answer: A
NEW QUESTION # 26
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
Answer:
Explanation:
- 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
NEW QUESTION # 27
Modify file content.
------------------------
Create a playbook called /home/admin/ansible/modify.yml as follows:
* The playbook runs on all inventory hosts
* The playbook replaces the contents of /etc/issue with a single line of text as
follows:
--> On hosts in the dev host group, the line reads: "Development"
--> On hosts in the test host group, the line reads: "Test"
--> On hosts in the prod host group, the line reads: "Production"
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible
# vim modify.yml
---
- name:
hosts: all
tasks:
- name:
copy:
content: "Development"
dest: /etc/issue
when: inventory_hostname in groups['dev']
- name:
copy:
content: "Test"
dest: /etc/issue
when: inventory_hostname in groups['test']
- name:
copy:
content: "Production"
dest: /etc/issue
when: inventory_hostname in groups['prod']
:wq
# ansible-playbook modify.yml --syntax-check
# ansible-playbook modify.yml
NEW QUESTION # 28
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'
- A. Solution as:
- B. Solution as:
Answer: A
NEW QUESTION # 29
Create and run an Ansible ad-hoc command.
--> As a system administrator, you will need to install software on the managed
nodes.
--> Create a shell script called yum-pack.sh that runs an Ansible ad-hoc command to
create yum-repository on each of the managed nodes as follows:
--> repository1
-----------
1. The name of the repository is EX407
2. The description is "Ex407 Description"
3. The base URL is http://content.example.com/rhel8.0/x86_64/dvd/BaseOS/
4. GPG signature checking is enabled
5. The GPG key URL is http://content.example.com/rhel8.0/x86_64/dvd/RPM-GPG-KEYredhat-
release
6. The repository is enabled
--> repository2
-----------
1. The name of the repository is EXX407
2. The description is "Exx407 Description"
3. The base URL is http://content.example.com/rhel8.0/x86_64/dvd/AppStream/
4. GPG signature checking is enabled
5. The GPG key URL is http://content.example.com/rhel8.0/x86_64/dvd/ RPM-GPG-KEYredhat-
release
6. The repository is enabled
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible
# vim yum-pack.sh
#!/bin/bash
ansible all -m yum_repository -a 'name=EX407 description="Ex407 Description"
baseurl=http://content.example.com/rhel8.0/x86_64/dvd/BaseOS/ gpgcheck=yes
gpgkey=http://content.example.com/rhel8.0/x86_64/dvd/RPM-GPG-KEY-redhat-release
enabled=yes'
ansible all -m yum_repository -a 'name=EXX407 description="Exx407 Description"
baseurl=http://content.example.com/rhel8.0/x86_64/dvd/AppStream/ gpgcheck=yes
gpgkey=http://content.example.com/rhel8.0/x86_64/dvd/RPM-GPG-KEY-redhat-release
enabled=yes'
:!wq
# chmod +x yum-pack.sh
# bash yum-pack.sh
# ansible all -m command -a 'yum repolist all'
NEW QUESTION # 30
Create an empty encrypted file called myvault.yml in /home/sandy/ansible and set the password to notsafepw. Rekey the password to iwejfj2331.
- A. ansible-vault create myvault.yml
Create new password: notsafepw Confirm password: notsafepw ansible-vault rekey myvault.yml Current password: notsafepw New password: iwejfj2331 Confirm password: iwejfj2221 - B. 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
Answer: B
NEW QUESTION # 31
......
RedHat EX294 exam is intended for experienced Linux administrators who are seeking to expand their skillset and validate their proficiency in managing complex enterprise environments. EX294 exam covers a wide range of topics, including system administration, network configuration, security, automation, and troubleshooting. Successful candidates will be able to demonstrate their ability to perform these tasks efficiently and effectively, using a variety of tools and techniques.
RedHat EX294 exam covers a broad range of topics across various domains, including system administration, networking, security, and automation. It requires candidates to have hands-on experience in managing and administering Red Hat Enterprise Linux 8 systems. EX294 exam assesses candidates' skills in configuring, managing, and troubleshooting various system components, including networking, storage, security, and virtualization.
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