December 2017
Intermediate to advanced
410 pages
11h 5m
English
Content preview from Enterprise Cloud Security and Governance
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Attaining the desired state with Ansible pull
We used to run Ansible pull across 500+ servers to maintain a consistent image across all servers. It happens many times that a system administrator flushes iptables if things are not working or stops OSSEC if it blocks scans.
This leads to a lot of unexpected configurations everywhere, and during an audit period, OSSEC may be disabled in a few servers from the past few weeks.
So, our entire hardening stack was based on Ansible pull that used to run at midnight on all servers. If there were any configuration changes, then Ansible would update it back to the original consistent state.
This is extremely useful and makes the auditors smile as well.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.