Cloud Native DevOps with Kubernetes has been out for a while, and though much has changed in the Kubernetes landscape, a lot is also the same.
Building a Golang Docker image
Let's build a Docker container with Golang! It sounds complicated, but it really isn't. All you need are a few tools, a couple of simple commands, and ideally some cake. (The cake isn't strictly necessary, but coding is hungry work.)
The dawn of DevOps
The authors of Cloud Native DevOps with Kubernetes, John Arundel and Justin Domingus, explain the past, present, and future of the DevOps movement.
Got game? Secrets of great incident management
When his phone wakes him at two in the morning, operations engineer Andy Pearson knows it’s bad news. The next sixteen minutes are going to get intense.
“Just a big ol' cloud of compute”
How enterprises can use Kubernetes as a platform to power improved DevOps, and make cloud migration more process-oriented and straightforward.
What “uptime” even means anymore
If you’re focused on traditional uptime numbers, you’re missing the point: “nines” don't matter if users aren't happy.
“Cloud Native DevOps with Kubernetes” is out now
In this friendly, pragmatic book, Kubernetes consultant John Arundel and cloud expert Justin Domingus show you what Kubernetes can do—and what you can do with it.
Does your company have the DevOps nature?
“When you’re working in a DevOps environment, every day is exciting and challenging.” ActiveState’s Phil Whelan takes a deep dive into DevOps with industry expert John Arundel.
The elusiveness of DevOps
DevOps is more than inter-departmental hugging, feedback loops, and automated testing. ActiveState asks John Arundel why it’s so hard to get people to agree on what DevOps means.
Go training with John Arundel of Bitfield Consulting
Get friendly, professional, one-to-one remote mentoring in Go with experienced trainer John Arundel. Absolute beginner? No problem. John will get you up and running. Some Go background, but looking to level up your skills? Don’t worry, we’ve got this!
Are you looking for trouble?
A good sysadmin is a good detective. You should make time as part of your job to pick on a machine every so often and examine it forensically, like a crime scene. What’s here that shouldn’t be?
Spliffs and submarines: the two cultures and the state of DevOps
The short history of computing has seen the rise of two very different cultures: the people who program the machines, and the people who keep the machines running sweetly.
Agile sysadmin: the art of infrastructure automation
I recently gave a Devops-flavoured talk at the London Ruby Users Group on agile sysadmin practices, agile web ops, configuration languages and infrastructure automation. See the slides and listen to the audio here.
Dependency graphs in Puppet
Yes, Virginia, you can get Puppet to draw a graph of your resource dependencies. Here’s how.
Notational Velocity
Notational Velocity (NV) was a “modeless, mouseless Mac OS X note-taking application” noted for being elegant, attractive, and powerful. Now, nvUltra is coming.
Puppet dry run
Puppet's dry-run feature is a powerful tool that's often overlooked by busy sysadmins—it’s a great way to avoid unforeseen side effects of your config changes.
Scaling Puppet with Git
Scaling Puppet is most commonly done using client/server mode. However, is there a better way? We present an alternative to the traditional Puppetmaster solution using Git. Guest post by Stephen Nelson-Smith.
What's wrong with this image? Config management vs the “golden image”
Managing server config with “golden images” seems attractive, but ends up being hard to manage. Automation is more flexible, but also more costly to set up. Let’s examine the trade-offs.
Deciding which Docker tag to use
How does versioning work in container images? What are the different strategies for using Docker version tags? We explain how Docker versions work, and how to use them in your own Dockerfiles.
Securing modern applications in the cloud
The Threat Stack podcast interviews John and Justin about Kubernetes, container security, and much more.