infra | cloud | opensource
Introduction Enforcing strong and modern cipher is critical to ensure our deployment are well protected from old and weak cipher. Enforcing only strong and modern cipher will significantly reduced or not too bold to...
Labeling an object in OpenShift or Kubernetes is an awesome method to organize, group, or select API objects. Labels can be used to group arbitrarily-related objects; for example, all of the object like pods,...
There might be situations where you have already deleted pods (or already removed dc aka deployment configuration) but pods are stuck in Terminating state. There are few suggestions if you google around (Red Hat...
Join this Red Hat webinar to see how to use Jenkins pipelines to deploy simple applications using Ansible Tower. Here see the quick overview of agenda. Configure and create a new Ansible Tower project....
Google Cloud is arranging Global Digital Conference on 24th January 2019. Agenda has two tracks : Serverless – Build and ship applications faster – Which will cover serverless concepts and machine learning. CI/CD –...
This is simple and straight forward. Below snippets are from a Cisco 3120X Blade Switch. Check the interface details on port Gi1/0/1. ams-101-sw1>enams-101-sw1#sh run | begin interface GigabitEthernet1/0/1 interface GigabitEthernet1/0/1 switchport access vlan 401...
There are several cases a PV (PhysicalVolume) appear as Failed in OpenShift or Kubernetes cluster. Once of the reason is wrong ClaimRef by which PV will mark as claimed but actually not in use....
As we know OpenShift clusters are bundled with multiple compute nodes, master nodes, infra nodes etc, it’s not a big deal to manage node maintenance for OS patching kind of activities. But we need...
Since OCP 3.11 is available now, you may refer below documents for OpenShift Container Platform 3.11 Installation on different infrastructure or platforms. Those are very quick documents but already included all details including installation...
Usually application owner or project owner will specify the quota settings (Memory and CPU) during project creation. But sometimes, they realize that the requested resource is not enough to run their applications. Usually we...
There might be situations like you forgot or lost your iDRAC login credentials and you don’t have an option to access iDRAC since the server is in a remote location. Using local RACADm tool...
