On Fedora:
$ sudo dnf install ansible
On RHEL and CentOS:
$ sudo yum install ansible
On Ubuntu：
$ sudo apt-get update
$ sudo apt-get install software-properties-common
$ sudo apt-add-repository ppa:ansible/ansible
$ sudo apt-get update
$ sudo apt-get install ansible
Latest Releases Via Pip
Ansible can be installed via “pip”, the Python package manager. If ‘pip’ isn’t already available in your version of Python, you can get pip by:
$ sudo easy_install pip
Then install Ansible with [1]:
$ sudo pip install ansible
Or if you are looking for the latest development version:
pip install git+https://github.com/ansible/ansible.git@devel