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NEW QUESTION 20
Install and configure Ansible on the control-node control.realmX.example.com as
follows:
——————————————————————————————-
–> Install the required packages
–> Create a static inventory file called /home/admin/ansible/inventory as follows:
node1.realmX.example.com is a member of the dev host group
node2.realmX.example.com is a member of the test host group
node3.realmX.example.com & node4.realmX.example.com are members of the prod
host group
node5.realmX.example.com is a member of the balancers host group.
prod group is a member of the webservers host group
–> Create a configuration file called ansible.cfg as follows:
–> The host inventory file /home/admin/ansible/inventory is defined
–> The location of roles used in playbooks is defined as /home/admin/ansible/ roles
Answer:
Explanation:
Solution as:
Through physical host, login to workstation.lab.example.com with user root.
# ssh root@workstation.lab.example.com
# hostname
workstation.lab.example.com
# yum install platform-python*
# su – admin
# pwd
/home/admin/
# vim .vimrc
# mkdir -p ansible/roles
# cd ansible
# vim inventory
[dev]
servera.lab.example.com
[test]
serverb.example.com
[prod]
serverc.example.com
serverd.example.com
[balancer]
serverd.lab.example.com
[webservers:children]
prod
:!wq
# vim ansible.cfg
[defaults]
inventory = ./inventory
role_path = ./roles
remote_user = admin
ask_pass = false
[privilege_escalation]
become = true
become_method = sudo
become_user = root
become_ask_pass = false
:!wq
# ansible all –list-hosts
NEW QUESTION 21
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 22
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 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”
- A. Solution as:
- B. Solution as:
Answer: B
NEW QUESTION 24
……
