Author Archives: Sushil Verma

Cluster Level Logging in Kubernetes

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Published on: | Last updated on: | | Author: Sushil Verma (Linkedin, Twitter, Git)

Cluster Level Logging in Kubernetes

Using a node logging agent

Application and system logs can help you understand what is happening inside your cluster. The logs are useful for debugging problems and monitoring application and cluster activities.

The easiest and most embraced logging method for containerized applications is to write to the standard output and standard error streams.

However, the default functionality provided by a container engine or runtime is usually not enough for a complete logging solution. For example, if a container crashes Read more

Jenkins installation

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Published on: | Last updated on: | | Author: Sushil Verma (Linkedin, Twitter, Git)

Jenkins installation

In this article, I will guide you through the installation process of Jenkins CI tool. The guide and steps on this page are for new installations of Jenkins on a single/local machine.

Jenkins Installation

Jenkins is typically run as a standalone application in its own process with the built-in Java servlet container/application server (Jetty).

Jenkins can be installed on different platforms like Linux, Windows, and Mac through manual or using Docker images. Read more

Using IBM Bluemix CLI

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Published on: | Last updated on: | Author: Sushil Verma  (Linkedin, Twitter, Git)

Using IBM Bluemix CLI

Bitcoin

What is IBM Bluemix CLI?

IBM Bluemix is a cloud-based platform for building, managinf, and running all types of apps, such as web, mobile, big data, and smart devices.

Bluemix platform provides Command Line Interface (CLI) to interact with your apps, virtual servers, and containers. You can navigate to Bluemix Region, Organization, Spaces etc using CLI and work on specific app or service.. Read more

What is Test Driven Development (TDD)?

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What is Test Driven Development (TDD)?

Test Driven Development

Test-driven development (TDD) is a software development process that relies on the repetition of a very short development cycle: requirements are turned into very specific test cases, then the software is improved to pass the new tests, only.

In Test Driven Development (TDD) test codes are written, before writing the bare minimum source code required for the test to be fulfilled... Read more

What is Bitcoin?

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Published on: | Last updated on: | | Author: Sushil Verma  (Linkedin, Twitter, Git)

What is Bitcoin?

Bitcoin

Bitcoin is a form of digital currency, created and held electronically. No one controls it. Bitcoins aren’t printed, like dollars or euros – they’re produced by people, and increasingly businesses, running computers all around the world, using software that solves mathematical problems.

It’s the first example of a growing category of money known as cryptocurrency.

Bitcoin can be used to buy things electronically. In that sense, it’s like conventional dollars, euros, or yen, which are also traded digitally. Read more

IBM Cloud Bluemix – Platform as a Service (PaaS) for beginners!

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Published on: | Last updated on: | Author: Sushil Verma  (Linkedin, Twitter, Git)

IBM Bluemix - Platform as a Service (PaaS) for beginners!

IBM Bluemix

IBM Bluemix ™

In this blog, I will take you through the basics of Platforma as a Service (PaaS), and explain some key features of IBM Bluemix which is a Platform as a Service offering from IBM.

This blog can be considered as ‘Bluemix for beginners’. The idea is to explain basic of Bluemix to beginners or layman.

Before entering into Bluemix, I would like to distinguish what is the difference between Infrastructure as a Service (IaaS) and PaaS. Read more

How To Use Linux Bash History Commands

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Published on: | Last updated on: | Author: Sushil Verma  (Linkedin, Twitter, Git)

How To Use Linux Bash History Commands

While working on Linux, you spend most of the time on command line terminal. Mostly you use bash shell, which is default in most of the Linux distribution.

Also while working on terminal, you repeate most of the commands. Typing command on terminal is a good practice for the beginners..Read more..

Ceilometer an efficient metering/billing for OpenStack

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Published on: | Last updated on: | Author: Sushil Verma  (Linkedin, Twitter, Git)

Ceilometer an efficient metering/billing for OpenStack!

Pyramid_in_Java

OpenStack has several shared services that includes Compute, Storage and Networking, makes easier to implement and operate your cloud.

First we need to understand, what is the need of metering or billing application in any application especially in Cloud Computing? Read more..

Amazon EC2 – Connecting to Linux instances from Windows using PuTTY

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Published on: | Last updated on: | | Author: Sushil Verma  (Linkedin, Twitter, Git)

Amazon EC2 - Connecting to Linux/UNIX instances from Windows using PuTTY

After you launch your Linux/Unix instance on Amazon EC2, you want to connect to the newly launched machine/instance on AWS. You can connect to it and use it the way you use a computer sitting in front of you.

If you get any error while connecting to your Linux/Unix instance, see AWS EC2 – Troubleshooting Connecting to your Instance.

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