If you’ve deployed OpenShift on AWS using the IPI (Installer Provisioned Infrastructure) deployment method then you’re aware of the hardline requirement for Route 53 public/private zones, depending on the
publish method set in your OpenShift
install-config.yaml. This typically doesn’t present a problem for most customers, but select companies disallow use of Route 53 in favor of their own managed DNS (e.g. Infoblox). Unfortunately this limitation forces most customers to pursue…
If you’re running NVIDIA GPU’s & OpenShift/k8s in an unproxied or transparently proxied environment you probably haven’t encountered too many issues deploying NVIDIA’s gpu-operator (lucky you!), but your experience might not be as pleasant if using a traditional proxy with HTTPS/SSL bumping/inspection enabled.
There’s a lot of great documentation on running, administering, consuming, and troubleshooting OpenShift 4, but the installation process is still a bit vague for some admins, and even more obscure if failures are encountered. I recently stepped through general installation troubleshooting for a failed OpenShift 4.6.8 deployment which hit this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1895024 - The core issue relates to low entropy on my VMs, but this bug was repeatable and offered a…
While there is a great write-up on configuring SAML auth for Ansible Tower pubished on the Red Hat Ansible Blog, it’s pretty dated and there are better ways to work with certificate
I’ve posted about OpenShift 4 on vSphere before, but with the release of OCP 4.5.z things have gotten much, much easier. While it certainly takes more than 5 mintues to deploy all components, I’ve trimmed an asciinema capture to demonstrate just how easy installation of OpenShift 4.5 on vSphere has become.
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