[Gopal Dhapa]

Hello Team,

How to see centos server host name using ansible.

Please suggest

Thanks in advance.

Thank you

Gopal Dhapa

[Gopal Dhapa]

How to set host name of centos using ansible.

Thanks in advance.

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[Jonathan Lozada De La Matta]

https://docs.ansible.com/ansible/latest/modules/hostname_module.html

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Jonathan Cha'gara Lozada De La Matta

He / Him / His

Automation Practice

Senior Automation Consultant & Automation CoP Manager

Red Hat

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[d...@linder.org]

To see the hostname or use it in your playbook, you use the ansible_hostname or ansible_fqdn variables.

As Jonathan Cha'gara Lozada De La Matta mentioned, the hostname module can set it, but many applications still (incorrectly) rely on it also being in the /etc/hosts file.  Here's what I've done in my playbooks:

  - name: Setup hostname on system as {{ network_hostname }}.{{ network_dnsdomain }}
    hostname:
      name: "{{ network_hostname }}.{{ network_dnsdomain }}"


  - name: Add hostname to local /etc/hosts file
    lineinfile:
      dest: /etc/hosts
      state: present
      regexp: "^{{ network_ipaddr }}"
      line: "{{ network_ipaddr }}   {{ network_hostname }}.{{ network_dnsdomain }} {{ network_hostname }}"

In this case, I set network_* variables before calling this - my systems occasionally confuse Ansible and the ansible_hostname/ansible_fqdn are incorrect.

[Gopal Dhapa]

Thank you it's working now.

Thank you

Gopal Dhapa

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