How to remove a worker node from Red Hat OpenShift Container Platform 4 UPI?

  • 28 Jan, 2025

When you delete a node using the CLI, the node object is deleted in Kubernetes, but the pods that exist on the node are not deleted. Any bare pods not backed by a replication controller become inacces

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Isolating Infrastructure Nodes

  • 24 Jan, 2025

Applying a specific node selector to all infrastructure components will guarantee that they will be scheduled on nodes with that label. See more details on node selectors in placing pods on specific n

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Infrastructure Nodes in OpenShift 4

  • 23 Jan, 2025

Infrastructure nodes allow customers to isolate infrastructure workloads for two primary purposes: 1. to prevent incurring billing costs against subscription counts and 1. to separate maintenance and

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Is it possible to change the domain name of OpenShift 4 cluster post installation?

  • 14 Jan, 2025

It is not possible to change the domain for the API, internal or external. Starting with OpenShift 4.8, it is possible to change the domain of the console and downloads routes after cluster installat

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rsync is faster than scp to copy files between machines

  • 31 Dec, 2024

rsync is generally faster than scp for copying files, especially when transferring a large amount of data or syncing directories. Here's why: 1. Incremental Transfers - rsync: Only transfers the p

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OpenMediaVault error when try to mount a shared folder

  • 30 Dec, 2024

I follow the instructions to create and share a folder on OMV but i can't access the shared folder using my MAC or Linux Manchines. On the Mac i got the error : The operation can't be completed becau

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oc command fails due to missing glibc library

  • 13 Dec, 2024

Yesterday i was helping a customer to deploy his OpenShift 4.16.x cluster. The first step was the bastion host preparation. This includes the setup of the OCP CLI. We do the default instalation of th

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CPU Throttling in Kubernetes

  • 28 Nov, 2024

In the context of a Kubernetes cluster, CPU throttling still refers to the process of limiting the amount of CPU time a container or pod can use, but it's slightly different than throttling within an

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Using MAC TimeMachine with OpenMediaVault

  • 17 Mar, 2024

I am using TimeMachine to do my Mac backup since 2013 and every time i need to restore a file i have a success.
Last month i setup a Raspberry PI 3 with OpenMediaVault to create a NAS on my network.

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Firewall changes for container image pulls

  • 05 May, 2023

Since June 2022 the Red Hat OpenShift operator index images (redhat/redhat/operator-index) have been served from registry.redhat.io using Quay.io as the backend. OpenShift itself already needs access

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Error when login using CP4Data CLI command line

  • 06 Mar, 2023

Today i got the following error when i try to run the command :
./cpd-cli manage login-entitled-registry ${IBMENTITLEMENTKEY} Run command: podman run -d --name olm-utils-play --env CMD\PREFIX=manag

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Error: podman-machine-default: VM already exists

  • 05 Mar, 2023

This error appears today on my MAC using macOS 12.6 Monterey. I don't know the cause and . It was woking last time i used podman on this MAC. To solve the problem: podman machine rm podman-machine-d

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