Terraform is a great orchestration tool and SaltStack is great configuration management software. The first one allows you to create resources in the cloud (instances, load balancer, databases, etc) and the second is used to provision the instances. Salt works in a master-agent mode, the agents are called minions. To provision an instance you have…
I’ve just started to test an application from one my clients in CentOS 7. A Python app that runs on Python 2.7 that is the default version in the latest version of CentOS/RHEL. As usual, all the cloud providers don’t configure the swap space by default, so I have to configure Chef to create it…
Today I’ve lost the Chef validation key of one the servers that we have around. I haven’t found how to recover it in a quick Google search, so… good reason to write this short post. The validation “thing”, is a client (not an user) in Chef which has permission to register new Chef clients to…
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