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1. Install CentOS 7 using either the Minimal or the DVD ISO available here (available on the SLAC network or VPN):

   http://yum.slac.stanford.edu/iso/centos/7

    

2. Log into your new CentOS 7 host. 
   Become root by using sudo or /bin/su. 
   Install Chef by running this command as root:

   curl -s http://yum.slac.stanford.edu/go-chef | /bin/sh

    

3. Before you exit your root prompt, you need to modify this file:

   /etc/security/access.netgroup.conf

   Add a line that looks like this (replace 'ksa' with your username):

   + : ksa : ALL

   Make sure to add that line above the last line.  Here is an example of what the file might look like if you wanted to grant login access to SLAC users ksa and vanilla:

   + : root : LOCAL  134.79.0.0/16 172.16.0.0/12
   + : ksa : ALL
   + : vanilla : ALL
   + : @u-scs-staff : ALL
   - : ALL : ALL

    

4. And still before you exit your root prompt, create a sudoers entry for yourself inside the /etc/sudoers.d directory.
   If you do not want or need sudo access, you can skip this step.
   
   You can copy and paste the following (replace 'ksa' with your username):

      cat > /etc/sudoers.d/user-ksa << EOF
      ksa   ALL=ALL
      EOF

   Be sure to read and fill out the sudo request form.  This is required for auditing purposes:
   https://www.slac.stanford.edu/comp/unix/auth/superuser-req.shtml

    

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