GitHub - grey1001/ansible-course: Code for the Course

Ansible server first setup after Ansible installation. This guide will detail connecting to a remote server on ubuntu virtual machines and connecting. It will also detail how to run a playbook. The steps will ultimately show how to setup dynamic inventory and run a playbook on a remote server(AWS) using ansible. First, we need to install ansible on the server.

sudo apt update
sudo apt install ansible

Next, we need to create a user on the remote server.

sudo adduser ansible
sudo usermod -aG sudo ansible

Next, we need to create a password for the user.

sudo passwd ansible

We have to add the user to the sudoers file.

sudo visudo

Add the following line to the file.

ansible ALL=(ALL) NOPASSWD: ALL

Next, we need to generate an ssh key on the ansible server.

ssh-keygen

Next, we need to copy the ssh key to the remote server.

ssh-copy-id ansible@remote_server_ip

Next,we will create the inventory file in the project directory.

nano inventory

Add the following to the inventory file.

[remote]
remote_server_ip

Next, we will test the connection to the remote server.

ansible -i inventory remote_name -m ping

In case the connection fails, we can use the following command to troubleshoot.

ansible -i inventory remote_name -m ping -vvv

Take these steps to fix the connection issue.

sudo nano /etc/ssh/sshd_config

Add the following to the file.

PasswordAuthentication yes
AuthorizedKeysFile .ssh/authorized_keys

Next, we will restart the ssh service.

sudo systemctl restart ssh

In your inventory file, add the following.

[remote]
remote_server_ip ansible_user=ansible

Next, we will create a playbook file in the project directory.

nano playbook.yml

Add the following to the playbook file.

---
- hosts: remote
  tasks:
    - name: Update apt cache
      apt:
        update_cache: yes
    - name: Install nginx
      apt:
        name: nginx
        state: present
    - name: Start nginx
      service:
        name: nginx
        state: started

Next, we will run the playbook.

ansible-playbook -i inventory playbook.yml

Next, we will look at steps to setup dynamic inventory for AWS.

pip install boto
pip install boto3
pip install botocore

Next, we will create a file called aws_ec2.yml in the project directory.

nano aws_ec2.yml

Add the following to the aws_ec2.yml file.

---
plugin: aws_ec2
regions:
  - us-east-1
keyed_groups:
    - key: tags
        prefix: tag
    ``` 
### Next, we will run the following command to create the dynamic inventory.
```bash
ansible-inventory -i aws_ec2.yml --graph

Next, we will run the playbook using the dynamic inventory.

ansible-playbook -i aws_ec2.yml playbook.yml

This guide has shown how to setup an ansible server, connect to a remote server, and run a playbook. It has also shown how to setup dynamic inventory and run a playbook on a remote server(AWS) using ansible.

Name		Name	Last commit message	Last commit date
Latest commit History 5 Commits
.vscode		.vscode
YAML Challenge		YAML Challenge
challenge1		challenge1
challenge2		challenge2
challenge3		challenge3
extra_files		extra_files
hosts		hosts
otel_project		otel_project
playbooks		playbooks
roles		roles
terraform		terraform
variables		variables
.gitignore		.gitignore
ansible.cfg		ansible.cfg
readme.md		readme.md

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Next, we need to create a user on the remote server.

Next, we need to create a password for the user.

We have to add the user to the sudoers file.

Add the following line to the file.

Next, we need to generate an ssh key on the ansible server.

Next, we need to copy the ssh key to the remote server.

Next,we will create the inventory file in the project directory.

Add the following to the inventory file.

Next, we will test the connection to the remote server.

In case the connection fails, we can use the following command to troubleshoot.

Take these steps to fix the connection issue.

Add the following to the file.

Next, we will restart the ssh service.

In your inventory file, add the following.

Next, we will create a playbook file in the project directory.

Add the following to the playbook file.

Next, we will run the playbook.

Next, we will look at steps to setup dynamic inventory for AWS.

Next, we will create a file called aws_ec2.yml in the project directory.

Add the following to the aws_ec2.yml file.

Next, we will run the playbook using the dynamic inventory.

This guide has shown how to setup an ansible server, connect to a remote server, and run a playbook. It has also shown how to setup dynamic inventory and run a playbook on a remote server(AWS) using ansible.

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Next, we need to create a user on the remote server.

Next, we need to create a password for the user.

We have to add the user to the sudoers file.

Add the following line to the file.

Next, we need to generate an ssh key on the ansible server.

Next, we need to copy the ssh key to the remote server.

Next,we will create the inventory file in the project directory.

Add the following to the inventory file.

Next, we will test the connection to the remote server.

In case the connection fails, we can use the following command to troubleshoot.

Take these steps to fix the connection issue.

Add the following to the file.

Next, we will restart the ssh service.

In your inventory file, add the following.

Next, we will create a playbook file in the project directory.

Add the following to the playbook file.

Next, we will run the playbook.

Next, we will look at steps to setup dynamic inventory for AWS.

Next, we will create a file called aws_ec2.yml in the project directory.

Add the following to the aws_ec2.yml file.

Next, we will run the playbook using the dynamic inventory.

This guide has shown how to setup an ansible server, connect to a remote server, and run a playbook. It has also shown how to setup dynamic inventory and run a playbook on a remote server(AWS) using ansible.

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