ansible/rst/gettingstarted.rst

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Downloads & Getting Started
===========================
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How to download ansible and get started using it
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.. seealso::
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:doc:`examples`
Examples of basic commands
:doc:`playbooks`
Learning ansible's configuration management language
Requirements
````````````
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Requirements for Ansible are extremely minimal.
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If you are running python 2.6 on the **overlord** machine (the machine
that you'll be talking to the other machines from), you will need:
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* ``paramiko``
* ``PyYAML``
* ``python-jinja2`` (for playbooks)
If you are running less than Python 2.6, you will also need:
* The Python 2.4 or 2.5 backport of the ``multiprocessing`` module
- `Installation and Testing Instructions <http://code.google.com/p/python-multiprocessing/wiki/Install>`_
* ``simplejson``
On the managed nodes, to use templating, you will need:
* ``python-jinja2`` (you can install this with ansible)
Developer Requirements
``````````````````````
For developers, you may wish to have:
* ``asciidoc`` (for building manpage documentation)
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* ``python-sphinx`` (for building content for the ansible.github.com project only)
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Getting Ansible
```````````````
Tagged releases are available as tar.gz files from the Ansible github
project page:
* `Ansible/downloads <https://github.com/ansible/ansible/downloads>`_
You can also clone the git repository yourself and install Ansible in
one of two ways:
Python Distutils
++++++++++++++++
You can also install Ansible using Python Distutils::
$ git clone git://github.com/ansible/ansible.git
$ cd ./ansible
$ sudo make install
Via RPM
+++++++
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In the near future, pre-built RPMs will be available through your
distribution. Until that time you can use the ``make rpm`` command::
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$ git clone git://github.com/ansible/ansible.git
$ cd ./ansible
$ make rpm
$ sudo rpm -Uvh ~/rpmbuild/RPMS/noarch/ansible-1.0-1.noarch.rpm
Your first commands
```````````````````
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Edit /etc/ansible/hosts and put one or more remote systems in it, for
which you have your SSH key in ``authorized_keys``::
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192.168.1.50
aserver.example.org
bserver.example.org
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Set up SSH agent to avoid retyping passwords::
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ssh-agent bash
ssh-add ~/.ssh/id_rsa
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Now ping all your nodes::
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ansible all -m ping
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Now run a live command on all of your nodes::
ansible all /bin/echo hello
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Congratulations. You've just contacted your nodes with Ansible. It's
now time to read some of the more real-world examples, and explore
what you can do with different modules, as well as the Ansible
playbooks language. Ansible is not just about running commands, but
you already have a working infrastructure!
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.. seealso::
:ref:`Inventory <inventoryformat>`
Complete documentation on the inventory file format