Install Ansible on AlmaLinux 9/10

This guide provides a step-by-step installation of Ansible Automation Tool on AlmaLinux 9 and AlmaLinux 10 systems.

1. Prerequisites

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- AlmaLinux 9 or AlmaLinux 10 server
- Sudo or root privileges
- Internet connectivity
- SSH enabled
- Minimum 2 GB RAM
- SELinux enabled

2. Set Hostname

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sudo hostnamectl set-hostname ansible.example.com

3. Update System Packages

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sudo dnf update -y

sudo reboot

4. Enable EPEL Repository

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sudo dnf install -y epel-release

5. Install Required Packages

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sudo dnf install -y \
wget \
curl \
git \
vim \
python3 \
python3-pip

6. Install Ansible

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sudo dnf install -y ansible

7. Verify Ansible Installation

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ansible --version

8. Generate SSH Key

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ssh-keygen -t rsa -b 4096

9. Copy SSH Key to Remote Host

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ssh-copy-id user@remote-server

10. Create Ansible Inventory File

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sudo mkdir -p /etc/ansible

sudo vi /etc/ansible/hosts

11. Example Inventory Configuration

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[webservers]
192.168.1.101
192.168.1.102

[dbservers]
192.168.1.201

[all:vars]
ansible_user=root

12. Test Ansible Connectivity

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ansible all -m ping

13. Create Sample Playbook

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vi install_httpd.yml

14. Example Ansible Playbook

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---
- name: Install Apache Web Server
  hosts: webservers
  become: yes

  tasks:

    - name: Install Apache
      dnf:
        name: httpd
        state: present

    - name: Start Apache Service
      service:
        name: httpd
        state: started
        enabled: yes

15. Run Playbook

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ansible-playbook install_httpd.yml

16. List Managed Hosts

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ansible all --list-hosts

17. Configure Firewall (Optional)

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sudo firewall-cmd --permanent --add-service=ssh

sudo firewall-cmd --reload

18. Install Additional Ansible Tools

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sudo dnf install -y \
ansible-core \
python3-jmespath \
sshpass

19. Install Ansible Collections

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ansible-galaxy collection install community.general

20. Optional Post Installation Tasks

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- Configure Ansible Roles
- Configure Vault Encryption
- Setup AWX Dashboard
- Configure CI/CD Pipelines
- Create Reusable Playbooks