`Home <index.html>`__ OpenStack Ansible Installation Guide

Configuring the operating system
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Install additional software packages and configure NTP.

#. Install additional software packages if not already installed during
   operating system installation:

   .. code-block:: bash

       # apt-get install aptitude build-essential git ntp ntpdate \
         openssh-server python-dev sudo
               

#. Configure NTP to synchronize with a suitable time source.

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