I was getting this odd error: AnsibleUndefinedVariable: Unable to look up a name or access an attribute in template string ({% if ansible_fqdn in groups['compute_nodes'] %} Turns out compute_nodes wasn't in my host inventory file.. oops! Easy fix, not so easy to diagnose

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If we have to deal with this thing, lets do it in an intelligent way I'm using Ansible across my infrastructure to manage most stuff so I cut a playbook to detect Spectre and Meltdown fixes in Centos7 using the articles from CyberCiti.biz …

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