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RedHat Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 Exam Sample Questions (Q25-Q30):
NEW QUESTION # 25
Generate a hosts file:
* Download an initial template file hosts.j2 from http://classroom.example.com/
hosts.j2 to
/home/admin/ansible/ Complete the template so that it can be used to generate a file with a line for each inventory host in the same format as /etc/hosts:
172.25.250.9 workstation.lab.example.com workstation
* Create a playbook called gen_hosts.yml that uses this template to generate the file /etc/myhosts on hosts in the dev host group.
* When completed, the file /etc/myhosts on hosts in the dev host group should have a line for each managed host:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
172.25.250.10 serevra.lab.example.com servera
172.25.250.11 serevrb.lab.example.com serverb
172.25.250.12 serevrc.lab.example.com serverc
172.25.250.13 serevrd.lab.example.com serverd
—————————————————————–
while practising you to create these file hear. But in exam have to download as per questation.
hosts.j2 file consists.
localhost localhost.localdomain localhost4 localhost4.localdomain4
::1
localhost localhost.localdomain localhost6 localhost6.localdomain6
——————————————————————-
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible
# wget http://classroom.example.com/hosts.j2
# vim hosts.j2
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1
localhost localhost.localdomain localhost6 localhost6.localdomain6
{% for host in groups[‘all’] %}
{{ hostvars[host][‘ansible_facts’][‘default_ipv4’][‘address’] }} {{ hostvars[host]
[‘ansible_facts’][‘fqdn’] }} {{ hostvars[host][‘ansible_facts’][‘hostname’] }}
{% endfor %}
:wq!
# vim gen_hosts.yml
—
– name: collecting all host information
hosts: all
tasks:
– name:
template:
src: hosts.j2
dest: /etc/myhosts
when: inventory_hostname in groups[‘dev’]
:wq
# ansible-playbook gen_hosts.yml –syntax-check
# ansible-playbook gen_hosts.yml
NEW QUESTION # 26
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.
- A. Solution as:
- B. Solution as:
Answer: B
NEW QUESTION # 27
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 # 28
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 # 29
Create an ansible vault password file called lock.yml with the password reallysafepw in the /home/sandy/ansible directory. In the lock.yml file define two variables. One is pw_dev and the password is ‘dev’ and the other is pw_mgr and the password is ‘mgr’ Create a regular file called secret.txt which contains the password for lock.yml.
- A. ansible-vault create lock.yml
New Vault Password: reallysafepw
Confirm: reallysafepw - B. ansible-vault create lock.yml
New Vault Password: reallysafepw
Answer: A
NEW QUESTION # 30
……
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