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-=====================
- Preflight Checklist
-=====================
-
-.. versionadded:: 0.60
-
-This **Preflight Checklist** will help you prepare an admin node for use with
-``ceph-deploy``,  and server nodes for use with passwordless ``ssh`` and
-``sudo``.
-
-Before you can deploy Ceph using ``ceph-deploy``, you need to ensure that you
-have a few things set up first on your admin node and on nodes running Ceph
-daemons.
- 
-
-Install an Operating System
-===========================
-
-Install a recent release of Debian or Ubuntu (e.g., 12.04 LTS, 14.04 LTS) on
-your nodes. For additional details on operating systems or to use other
-operating systems other than Debian or Ubuntu, see `OS Recommendations`_.
-
-
-Install an SSH Server
-=====================
-
-The ``ceph-deploy`` utility requires ``ssh``, so your server node(s) require an
-SSH server. ::
-
-	sudo apt-get install openssh-server
-
-
-Create a User
-=============
-
-Create a user on nodes running Ceph daemons. 
-
-.. tip:: We recommend a username that brute force attackers won't
-   guess easily (e.g., something other than ``root``, ``ceph``, etc).
-
-::
-
-	ssh user@ceph-server
-	sudo useradd -d /home/ceph -m ceph
-	sudo passwd ceph
-
-
-``ceph-deploy`` installs packages onto your nodes. This means that
-the user you create requires passwordless ``sudo`` privileges. 
-
-.. note:: We **DO NOT** recommend enabling the ``root`` password 
-   for security reasons. 
-
-To provide full privileges to the user, add the following to 
-``/etc/sudoers.d/ceph``. ::
-
-	echo "ceph ALL = (root) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/ceph
-	sudo chmod 0440 /etc/sudoers.d/ceph
-
-
-Configure SSH
-=============
-
-Configure your admin machine with password-less SSH access to each node
-running Ceph daemons (leave the passphrase empty). ::
-
-	ssh-keygen
-	Generating public/private key pair.
-	Enter file in which to save the key (/ceph-client/.ssh/id_rsa):
-	Enter passphrase (empty for no passphrase):
-	Enter same passphrase again:
-	Your identification has been saved in /ceph-client/.ssh/id_rsa.
-	Your public key has been saved in /ceph-client/.ssh/id_rsa.pub.
-
-Copy the key to each node running Ceph daemons:: 
-
-	ssh-copy-id ceph@ceph-server
-
-Modify your ~/.ssh/config file of your admin node so that it defaults 
-to logging in as the user you created when no username is specified. ::
-
-	Host ceph-server
-		Hostname ceph-server.fqdn-or-ip-address.com
-		User ceph
-
-
-Install ceph-deploy
-===================
-
-To install ``ceph-deploy``, execute the following:: 
-
-	wget -q -O- 'https://download.ceph.com/keys/release.asc' | sudo apt-key add -
-	echo deb http://ceph.com/debian-dumpling/ $(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list
-	sudo apt-get update	
-	sudo apt-get install ceph-deploy
-
-
-Ensure Connectivity
-===================
-
-Ensure that your Admin node has connectivity to the network and to your Server
-node (e.g., ensure ``iptables``, ``ufw`` or other tools that may prevent
-connections, traffic forwarding, etc. to allow what you need).
-
-
-Once you have completed this pre-flight checklist, you are ready to begin using
-``ceph-deploy``.
-
-.. _OS Recommendations: ../../../start/os-recommendations