The concept of Cloud System Administration, Volume 2 is an excellent summary of the greater-level technical skills and components that each DevOps engineer (or accidental system architect) ought to know.
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It is a great introduction regarding how to consider DevOps, Infrastructure, and Systems Architecture. It is also ideal for sysadmins and DevOps engineers who wish to move one stage further within their thinking and career.
If you are thinking about focusing on (or designing) large distributed systems, this can be a MUST-READ.
### Other Things ###
Take a look at my Free Linux Sysadmin Course Playlist: https://world wide web.youtube.com/playlist?list=PLtK75qxsQaMLZSo7KL-PmiRarU7hrpnwK
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