Ace EX294 Certification with 35 Actual Questions
PASS RedHat EX294 EXAM WITH UPDATED DUMPS
NEW QUESTION # 14
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 # 15
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 # 16
Create a role called apache in "/home/admin/ansible/roles" with the following
requirements:
--> The httpd package is installed, enabled on boot, and started.
--> The firewall is enabled and running with a rule to allow access to the web server.
--> template file index.html.j2 is used to create the file /var/www/html/index.html
with the output:
Welcome to HOSTNAME on IPADDRESS
--> Where HOSTNAME is the fqdn of the managed node and IPADDRESS is the IP-Address of
the managed node.
note: you have to create index.html.j2 file.
--> Create a playbook called httpd.yml that uses this role and the playbook runs on
hosts in the webservers host group.
Answer:
Explanation:
Solution as:
----------
# pwd
/home/admin/ansible/roles/
# ansible-galaxy init apache
# vim apache/vars/main.yml
---
# vars file for apache
http_pkg: httpd
firewall_pkg: firewalld
http_srv: httpd
firewall_srv: firewalld
rule: http
webpage: /var/www/html/index.html
template: index.html.j2
:wq!
# vim apache/tasks/package.yml
---
- name: Installing packages
yum:
name:
- "{{http_pkg}}"
- "{{firewall_pkg}}"
state: latest
:wq!
# vim apache/tasks/service.yml
---
- name: start and enable http service
service:
name: "{{http_srv}}"
enabled: true
state: started
- name: start and enable firewall service
service:
name: "{{firewall_srv}}"
enabled: true
state: started
:wq!
# vim apache/tasks/firewall.yml
---
- name: Adding http service to firewall
firewalld:
service: "{{rule}}"
state: enabled
permanent: true
immediate: true
:wq!
# vim apache/tasks/webpage.yml
---
- name: creating template file
template:
src: "{{template}}"
dest: "{{webpage}}"
notify: restart_httpd
!wq
# vim apache/tasks/main.yml
# tasks file for apache
- import_tasks: package.yml
- import_tasks: service.yml
- import_tasks: firewall.yml
- import_tasks: webpage.yml
:wq!
# vim apache/templates/index.html.j2
Welcome to {{ ansible_facts.fqdn }} on {{ ansible_facts.default_ipv4.address }}
# vim apache/handlers/main.yml
---
# handlers file for apache
- name: restart_httpd
service:
name: httpd
state: restarted
:wq!
# cd ..
# pwd
/home/admin/ansible/
# vim httpd.yml
---
- name: Including apache role
hosts: webservers
pre_tasks:
- name: pretask message
debug:
msg: 'Ensure webserver configuration'
roles:
- ./roles/apache
post_tasks:
- name: Check webserver
uri:
url: "http://{{ ansible_facts.default_ipv4.address }}"
return_content: yes
status_code: 200
:wq!
# ansible-playbook httpd.yml --syntax-check
# ansible-playbook httpd.yml
# curl http://serverx
NEW QUESTION # 17
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 # 18
Create the users in the file usersjist.yml file provided. Do this in a playbook called users.yml located at /home/sandy/ansible. The passwords for these users should be set using the lock.yml file from TASK7. When running the playbook, the lock.yml file should be unlocked with secret.txt file from TASK 7.
All users with the job of 'developer' should be created on the dev hosts, add them to the group devops, their password should be set using the pw_dev variable. Likewise create users with the job of 'manager' on the proxy host and add the users to the group 'managers', their password should be set using the pw_mgr variable.
- A. ansible-playbook users.yml -vault-password-file=secret.txt
- B. ansible-playbook users.yml -vault-password-file=secret.txt
Answer: A
NEW QUESTION # 19
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 # 20
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
/home/sandy/ansible/roles/sample-apache/tasks/main.yml
/home/sandy/ansible/roles/sample-apache/templates/index.html.j2
In /home/sandy/ansible/roles/sample-apache/handlers/main.yml
- B. Option
/home/sandy/ansible/roles/sample-apache/tasks/main.yml
/home/sandy/ansible/roles/sample-apache/templates/index.html.j2
In /home/sandy/ansible/roles/sample-apache/handlers/main.yml
Answer: B
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 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
Answer:
Explanation:
Solution as:
NEW QUESTION # 23
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 # 24
Create a playbook called web.yml as follows:
* The playbook runs on managed nodes in the "dev" host group
* Create the directory /webdev with the following requirements:
--> membership in the apache group
--> regular permissions: owner=r+w+execute, group=r+w+execute, other=r+execute
s.p=set group-id
* Symbolically link /var/www/html/webdev to /webdev
* Create the file /webdev/index.html with a single line of text that reads:
"Development"
--> it should be available on http://servera.lab.example.com/webdev/index.html
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible/
# vim web.yml
---
- name:
hosts: dev
tasks:
- name: create group
yum:
name: httpd
state: latest
- name: create group
group:
name: apache
state: present
- name: creating directiory
file:
path: /webdev
state: directory
mode: '2775'
group: apache
- sefcontext:
target: '/webdev/index.html'
setype: httpd_sys_content_t
state: present
- name: Apply new SELinux file context to filesystem
command: restorecon -irv
- name: creating symbolic link
file:
src: /webdev
dest: /var/www/html/webdev
state: link
force: yes
- name: creating file
file:
path: /webdev/index.html
sate: touch
- name: Adding content to index.html file
copy:
dest: /webdev/index.html
content: "Development"
- name: add service to the firewall
firewalld:
service: http
permanent: yes
state: enabled
immediate: yes
- name: active http service
service:
name: httpd
state: restarted
enabled: yes
:wq
# ansible-playbook web.yml --syntax-check
# ansible-playbook web.yml
NEW QUESTION # 25
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 # 26
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 # 27
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 # 28
Create a jinja template in /home/sandy/ansible/ and name it hosts.j2. Edit this file so it looks like the one below. The order of the nodes doesn't matter. Then create a playbook in /home/sandy/ansible called hosts.yml and install the template on dev node at /root/myhosts
- A. Solution as:
- B. Solution as:
Answer: B
NEW QUESTION # 29
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.
- A. Solution as:
- B. Solution as:
Answer: B
NEW QUESTION # 30
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
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 - 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
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: A
NEW QUESTION # 31
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 # 32
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
Answer:
Explanation:
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
NEW QUESTION # 33
Create an Ansible vault to store user passwords as follows:
* The name of the vault is valut.yml
* The vault contains two variables as follows:
- dev_pass with value wakennym
- mgr_pass with value rocky
* The password to encrypt and decrypt the vault is atenorth
* The password is stored in the file /home/admin/ansible/password.txt
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible
# echo "atenorth" >password.txt
# chmod 0600 password.txt
# ansible-vault create vault.yml --vault-password-file=password.txt
---
- dev_pass: wakennym
- mgr_pass: rocky
:wq
# cat vault.yml
$ANSIBLE_VAULT;1.1;AES256
36383862376164316436353665343765643331393433373564613762666531313034336438353662
3464346331346461306337633632393563643531376139610a343531326130663266613533633562
38623439316631306463623761343939373263333134353264333834353264343934373765643737
3535303630626666370a643663366634383863393338616661666632353139306436316430616334
65386134393363643133363738656130636532346431376265613066326162643437643064313863
6633333537303334333437646163343666666132316639376531
# ansible-vault view vault.yml
password:******
---
- dev_pass: wakennym
- mgr_pass: rocky
NEW QUESTION # 34
......
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