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Steps to install Ansible
- For example, take three servers (1-Ansiblemaster, 2-Nodes)
- Ansible as a means of managing our various servers, we need to install the Ansible software on at least one machine.
Ansible Installation on a CentOS/RedHat Server
Updating the machine.
After updating the server with the above command, install the required packages
# rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
Installing Ansible on CentOS.
#yum install -y ansible
Verify Ansible Installation.
# ansible --version
Ansible Installation on Ubuntu Server
After updating the server with the above command, install the required packages.
# apt install -y software-properties-common
Create a repository.
#sudo apt-add-repository ppa:ansible/ansible
Install Ansible on Ubuntu Server.
#apt install -y ansible
Verify Ansible installation.
# ansible --version
Ansible Configuration and Host Inventory
Configuration file default location:
#vi /etc/ansible/ansible.cfg #cp /etc/ansible/ansible.cfg ~/ #vi ansible.cfg
After this need to enable some configurations in “#vi ansible.cfg”.
inventory =/root/hosts/ library =/usr/share/my_modules/ module_utils =/usr/share/my_module_utils/ remote_tmp =~/.ansible/tmp local tmp = ~/.ansible/tmp plugin_filters_cfg =/etc/ansible/plugin_filters.yml forks =5 poll_interval =15 sudo_user =root transport =smart remote_port = 22 module_lang =C module_set_locale=False deprecation_warnings=False
Host file default location:
#vi /etc/ansible/hosts #cp /etc/ansible/hosts ~/
After changing the path of the Host and ansible.cfg files, first add the remote server IPs in the host inventory file and save the file.
To check the connection is held or not in master. We can check with this command.
#ansible all –list-hosts à to see all connected nodes lists
Get all node details.
#ansible all –m ping #ansible all –m setup
See if the selected node is connected.
#ansible ubnt –m ping
Venkata Narayana Yarava is an experienced Cloud DevOps Engineer with exposure to various technologies, he has a experience in DevOps Training and with different IT environments. He has a huge passion for automation technologies, specifically DevOps Tools, OpenStack, AWS, Linux, open source software.
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