Infrastructre & Hardware

Configure or Change Interface (access mode) VLAN on Cisco IOS

This is simple and straight forward. Below snippets are from a Cisco 3120X Blade Switch. Check the interface details on port Gi1/0/1. …

OpenShift Cluster – How to Drain or Evacuate a Node for Maintenance

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 …

OpenShift Container Platform 3.11 Installation Documents

Since OCP 3.11 is available now, you may refer below documents for OpenShift Container Platform 3.11 Installation on different infrastructure or …

How to Create, Increase or Decrease Project Quota in OpenShift

Usually application owner or project owner will specify the quota settings (Memory and CPU) during project creation. But sometimes, they realize that …

How To Create A New User In iDRAC Via Local RACADM From Linux

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...

How to install racadm for iDRAC on RHEL / Linux

Dell has a beautiful tool for remote server management called iDRAC which is almost same like HPE iLO, but with different features. You can access...

Infrastructre & hardware

Enable LVM flag on partition using parted in Linux

Recently we have noticed some issue with one of our filesystem having issue and realized wrong flags on partition which was used as a Physical...

Automation

How to find the pod details from container in OpenShift

When we have issue with container and we are not sure which pod the container belongs to; we can find the pods details as below....

Enable newly installed vFlash card in Dell iDRAC

I have explained how to to use vFlash card as an easy boot method here. If you are not able to see a vFlash card...

ComVault Simpana Installation (cv11) on Linux (RHEL7)- Step by Step

This is a very basic article to share the cv11 installation. If any corrections/mistakes, please feel free to feedback as I am not an expert...

How to create a partition greater than 2TB in Linux

Due to limitation of fdisk utility, you will not be able to create partition greater than 2TB in linux with fdisk. This is a quick...

Running Ansible Ad-Hoc commands

We have already run few ad-hoc command to list down the hosts in earlier sections. See all parts of Automation with Ansible Guides here Let’s...