Tag: Site Reliability Engineering

Deploying a Private Cloud at Home — Part 3

Today’s blog post is part three of seven in a series dedicated to Deploying Private Cloud at Home, where I will demonstrate how to configure OpenStack Identity service on the controller node. We have already configured the required repo in part two…

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Deploying a Private Cloud at Home — Part 2

Today’s blog post is part two of seven in a series dedicated to Deploying Private Cloud at Home, where I will demonstrate how to do basic configuration setup to get started with OpenStack. In my first blog post, I explained why I…

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Deploying a Private Cloud at Home — Part 1

Today’s blog post is part one of seven in a series dedicated to Deploying a Private Cloud at Home. In my day-to-day activities, I come across various scenarios where I’m required to do sandbox testing before proceeding further on the…

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Using the ILOM for troubleshooting on ODA

I worked on root cause analysis for a strange node reboot on client’s Oracle Database Appliance yesterday. The case was quite interesting from the perspective that none of the logs contained any information related to the cause of the reboot….

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Loose coupling and discovery of services with Consul — Part 2

Creating a Consul Client Docker Image In my previous post, I demonstrated how to create a cluster of Consul servers using a pre-built Docker image. I was able to do this because our use case was simple: run Consul. In…

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Loose coupling and discovery of services with Consul — Part 1

Today I would like to demonstrate the use of Consul to help achieve loose coupling and discovery of services, two important principles of service-oriented architecture (SOA) present in modern, elastic infrastructures. If you have ever designed an architecture to be…

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Managing files with SaltStack

Before we begin, take a look at my previous two blog posts, SaltStack for Remote Parallel Execution of Commands and Using SaltStack for Configuration Management. We manage files using configurations management much for the same reasons that we manage packages…

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Some observations on Puppetrun with foreman

After joining Pythian I was introduced to several configuration management systems and Puppet was one of them. Foreman is a system management tool which can be integrated with Puppet to manage puppet modules and to initiate puppet runs on hosts…

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Happy system administrator appreciation day

Today is our day. July 25, 2014 marks the 15th annual System Administrator Appreciation Day. On this day we pause and take a moment to forget the impossible tasks, nonexistent budgets, and often unrealistic timelines to say thank you to those…

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Using SaltStack for Configuration Management

In my last blog post I mentioned that SaltStack is a fully featured configuration management solution, but we never looked into using the tool in that way. Today we will begin to explore some basic examples of configuration management with…

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