Engineering the World
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A few weeks of notes
I’ve been working hard on multiarch enablement for various OpenShift features. Here are a few notes from the last few weeks: It’s a really helpful and interesting solution to deploying your cluster. This issue was tough to debug, and I hope it helps you. The above will help when scp hangs. Blog: Using the oc-compliance…
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Weekly Notes
Here are my weekly learnings and notes: Podman Desktop updates v1.0.1 Podman Desktop is an open source graphical tool enabling you to seamlessly work with containers and Kubernetes from your local environment. In a cool update, the Podman Desktop team added support for OpenShift Local in v1.0.1 and Kind clusters are already there. We can do…
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Weekly Notes
In this update, I found a subnet cidr cheat sheet that helps greatly.
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Weekly Notes
I found these things very helpful this week Tip: Creating a Manifest List Image for Acme Airlines Tip: Sock Shop Demo Provides a solid microservices demo. GitHub https://microservices-demo.github.io/ Tip: NUMA Background There are some issues with NUMA control that make it so much harder to manage. There are some issues with NUMA nodes and container…
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Weekly Notes
There are so many interesting things to share: crane is a tool for interacting with remote images and registries. You can extract a binary my-util for a given architecture using: You can extract a binary from a manifest-listed image using: a. IBM/powervs-tang-server-automation: v1.0.4 b. IBM/powervm-tang-server-automation: v1.0.0
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Development Notes
Here are some things I found interesting this week: Day-0 Day-1 Day-2 Definitions day-0: customized installationday-1: customization performed only once after installing a cluster, day-2: tasks performed multiple times during the life of a cluster Thanks to a Red Hat colleague for this wonderful definition. sfdisk tips I used sfdisk in a PowerVM project. I…
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Weekly Notes
Here are my weekly notes for the week of 10 April 2023 It’s a very cool project, and I’ll be following it.
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Weekly Tips and Notes
The tips and notes for the week are included, I hope they help you. TIP: Check the System Admins on OpenShift A quick one to find the cluster-admins… Ref: https://serverfault.com/questions/862728/how-to-list-users-with-role-cluster-admin-in-openshift Tip: Can I act as kube-admin? I needed to double check if I could act as kube:admin. Ref: https://docs.openshift.com/container-platform/4.12/cli_reference/openshift_cli/developer-cli-commands.html#oc-auth-can-i Blog Post: Advanced debugging techniques for OpenShift Container…
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Weekly Notes
For the week, I ran across a few things and wrote one blog for the IBM Power Developer Exchange. a. get the coreos container b. create the qemu vm As you define, build, and run your OpenShift Container Platform cluster, you should be aware of the rich security features available. Here is a curated list…
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Handy Dandy Tricks for the Week
As I work with Linux and the OpenShift Container Platform, I run into some handy tips, tricks and patterns that make my job easier, and I wanted to share with you all (and so I can find these details in the future): 1. Verifying etcd data is encrypted The etcd depends on the Kube-APIServer and…