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Pradipta Banerjee

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Transitioning back to an individual contributor role

As they say- Change is the only constant in life. — As they say- Change is the only constant in life. This narrative holds true not only in our personal life but even in our work sphere. We constantly strive towards change. A change that helps us evolve, get closer to our goals in life, thereby making us happy and peaceful. …

Career Advice

4 min read

Transitioning back to an individual contributor role
Transitioning back to an individual contributor role

Apr 28

Case Study in Security hardening of a Red Hat OpenShift Operator

Applying the principle of least privileges when developing Operators — Applying the principle of least privileges when developing Operators Let me start by asking you a few questions. Are you developing Operators for Kubernetes? Are you the kind of person who yearns for a safe environment to run everything as a privileged user (‘root’) during development? Is bypassing security checks…

Openshift

6 min read


Published in DevOps Learners

·Apr 14

Health Checkups for your OpenShift Cluster

If you are responsible for managing Red Hat OpenShift clusters, then there is a nifty opensource project (aptly named openshift-checks)… — If you are responsible for managing Red Hat OpenShift clusters, then there is a nifty opensource project (aptly named openshift-checks) that could be a good addition to your toolkit. The openshift-checks project is a collection of health-check scripts for an OpenShift cluster.

Openshift

3 min read

Health Checkups for your OpenShift Cluster
Health Checkups for your OpenShift Cluster

Published in DevOps Learners

·Mar 16

Different Container Runtimes and Configurations in the same Kubernetes Cluster

When transitioning workloads to Kubernetes, some of the following questions often cross our minds: — When transitioning workloads to Kubernetes, some of the following questions often cross our minds: How to satisfy conflicting workload requirements on the same Kubernetes cluster? Is it possible to lift and shift a few existing workloads to run on Kubernetes with phase-wise modernization? What kind of flexibility can be provided…

Kubernetes

3 min read

Different Container Runtimes and Configurations in the same Kubernetes Cluster
Different Container Runtimes and Configurations in the same Kubernetes Cluster

Feb 25

How to Size a memory-backed Kubernetes emptyDir Volume

A Kubernetes emptyDir volume is a directory that exists on the local node’s filesystem with no contents. These volumes are stored either on… — A Kubernetes emptyDir volume is a directory that exists on the local node’s filesystem with no contents. These volumes are stored either on the node’s backing disk storage or memory. …

Kubernetes

3 min read

How to Size a memory-backed Kubernetes emptyDir Volume
How to Size a memory-backed Kubernetes emptyDir Volume

Published in DevOps Learners

·Feb 21

Need specific kernel settings for your Kubernetes POD?

A low-risk approach for Developers and Administrators — Linux provides the sysctl mechanism to modify the kernel behavior at runtime. There are many situations where this is desired. For example, tuning the kernel to run high-performance computing apps, configuring the application core dump settings, modifying network settings, experiments, etc. Sysctl settings can be grouped into two categories Namespaced…

Kata

3 min read

Need specific kernel settings for your Kubernetes POD?
Need specific kernel settings for your Kubernetes POD?

Published in DevOps Learners

·Feb 8

Revisiting Container Image builds inside a Container

More flexibility, Improved Isolation, and handling of Noisy Neighbour — A commonly used approach to build container images as part of the DevOps pipeline is to use a builder image running in a Kubernetes cluster. The builder image leverages either docker or kaniko or buildah. The docker-based builder image is commonly referred to as docker-in-docker (DinD). There are different variations…

Kata

5 min read

Revisiting Container Image builds inside a Container
Revisiting Container Image builds inside a Container

Published in Kata Containers

·Jan 28

Confidential Containers and Encrypted Container Images

Current state and challenges — There are many use cases that necessitate the need for encrypted container images when working with confidential containers. This article summarizes what we are doing under the Confidential-Containers (CoCo) project to provide this functionality and current challenges. Before we dive into the details, let’s spend some time understanding the encryption/decryption…

Confidential Computing

3 min read

Confidential Containers and Encrypted Container Images
Confidential Containers and Encrypted Container Images

Published in Kata Containers

·Dec 2, 2021

Restricting Kata Agent API

Building block for confidential containers with Kata — Building block for confidential containers with Kata The latest release ( 2.3.0) of Kata containers runtime added support to dynamically configure the kata-agent behaviour using a configuration file. …

Kata

3 min read

Restricting Kata Agent API
Restricting Kata Agent API

Feb 22, 2021

3 Basic Tenets of Career Progression

An often-asked question that I get during discussions with team members and mentees is, what it takes to progress to the next level in… — An often-asked question that I get during discussions with team members and mentees is, what does it take to progress to the next level in their career? While this question is simple on the face, there is no prescriptive answer to it. …

Career Advice

3 min read

3 Basic Tenets of Career Progression
3 Basic Tenets of Career Progression
Pradipta Banerjee

Pradipta Banerjee

Writes about Kubernetes, containers, and related technology | Startup advisor. www.linkedin.com/in/bpradipt

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