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RedHat Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 Exam Sample Questions (Q16-Q21):

NEW QUESTION # 16
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 # 17**
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: A
NEW QUESTION # 18
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.
mysys=hostname
myBIOS=biosversion
myMEMORY=memory
myvda=vdasize
myvdb=vdbsize *Answer: * Explanation:
Solution as:
# pwd
/home/admin/ansible
# vim hwreport.yml
- name:
hosts: all
ignoreerrors: yes
tasks:
- name: download file
geturl:
url: http://classroom.example.com/content/ex407/hwreport.empty
dest: /root/hwreport.txt
- name: vdasize
replace:
regexp: "vdasize"
replace: "{{ ansiblefacts.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: "{{ ansiblefacts.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: "{{ ansiblefacts.fqdn }}"
- src: "biosversion"
dest: "{{ ansiblefacts.biosversion }}"
- src: "memory"
dest: "{{ ansiblefacts.memtotalmb }}"
:wq!
# ansible-playbook hwreport.yml --syntax-check
# ansible-playbook hwreport.yml
NEW QUESTION # 19
Use Ansible Galaxy with a requirements file called /home/admin/ansible/roles/
install.yml to download and install roles to /home/admin/ansible/roles from the
following URLs:
http:// classroom.example.com /role1.tar.gz The name of this role should be balancer
http:// classroom.example.com /role2.tar.gz The name of this role should be phphello Answer: ** Explanation:
Solution as:
# pwd
/home/admin/ansible/roles
# vim install.yml
---
- src: http://classroom.example.com/role1.tar.gz
name: balancer
- src: http://classroom.example.com/role2.tar.gz
name: phphello
:wq!
# pwd
/home/admin/ansible
# ansible-galaxy install -r roles/install.yml -p roles
NEW QUESTION # 20**
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 # 21
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