Hands-On Experience to Generate Impact Within Your Organization

Our Blog

DevOps - Infrastructure as Code

SaltStack and Terraform: Installing Minions in ec2 instances

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…

DevOps - Infrastructure as Code

Centos7, Rackspace and kswap0

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…

Infrastructure as Code

Chef: How to regenerate the validation key

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…

Infrastructure as Code

Salt and the bash security issue

Yesterday was published a Bash security issue. Details here. So, we needed to upgrade your instance very quickly. Thanksfully, we have SaltStack managing it. The procedure was simple as described below. To update our systems with Salt, just run: salt ‘*’ pkg.install bash refresh=True And to be sure that new nodes are deployed with the…