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Cloud and DevOps 2.0 X Docker Community Meetup

Join us for an exciting in-person meetup at Bengaluru as we bring everyone together to participate, collaborate, and share...
Ajeet Raina
Nov 24, 2023 1 min read

Top 5 Storage Provider Tools for Kubernetes

As Kubernetes keeps progressing, the need for storage management becomes crucial. The chosen storage provider tools in this article...
Abraham Dahunsi
Nov 23, 2023 8 min read

Docker Desktop 4.25.0: What’s New in Containerd

This is a series of blog posts that discusses containerd feature support in all Docker Desktop releases. Containerd is...
Ajeet Raina
Nov 23, 2023 3 min read

Docker Scout for Your Kubernetes Cluster

Docker Scout is a collection of secure software supply chain capabilities that provide insights into the composition and security...
Ajeet Raina
Nov 23, 2023 3 min read

Navigating the Future: Emerging Trends in Cloud Technologies for Developing Cloud Applications

The latest advancements in technology have come a long way and have transformed business and its traditional ways. A...
Karan Singh
Nov 23, 2023 2 min read

Understanding LLM Hallucination: Implications and Solutions for Large Language Models

In the ever-evolving landscape of artificial intelligence, the advent of large language models (LLMs) has ushered in a new...
Avinash Bendigeri
Nov 23, 2023 8 min read

Translate a Docker Compose File to Kubernetes Resources using Kompose

Docker Compose is a tool for defining and running multi-container Docker applications. It is a popular choice for developing...
Ajeet Raina
Nov 23, 2023 3 min read

DevOps in Gambling: A Quick Case Study

Welcome to the high-stakes world of DevOps, where speed, collaboration, and innovation intersect to transform industries. In this quick...
Karan Singh
Nov 23, 2023 3 min read

All Stories

How to enable Docker behind the firewall?

Are you working in restricted corporate environment? Are you looking for how to run Docker behind the firewall.You can always specify...
Ajeet Raina
Apr 10, 2015 19 sec read

Restrict maximum simultaneous logins on Linux

Want to restrict simultaneous number of logins attempt on Linux machine? Here is the quick way of doing it. 1. Edit...
Ajeet Raina
Apr 3, 2015 1 min read

PowerCLI Cookbook Published !!

I am very thrilled and excited about Packtpub publisher’s recently published “PowerCLI Cookbook”. I have been part of a reveiwer team...
Ajeet Raina
Mar 31, 2015 19 sec read

VMware vSphere Internals Q/A

Welcome Readers !! This is a second series of VMware vSphere Q/A which is emphasized on ESXi internals and related feature...
Ajeet Raina
Mar 31, 2015 3 min read

Understanding Docker Container Architecture

What is Docker? Docker is a lightweight containerization technology that has gained widespread popularity in recent years. What does Docker uses?...
Ajeet Raina
Mar 21, 2015 2 min read

Introduction to Docker Containers

Docker is a new open source tool based on Linux container technology (LXC). LXC is an OS level virtualization method for...
Ajeet Raina
Mar 10, 2015 4 min read

VMware vSphere High Availability Q/A

Looking for VMware vSphere High Availability based Interview questions? I have attempted to gather important interview questions which you might find...
Ajeet Raina
Mar 8, 2015 15 min read

How to setup Salt Halite on CentOS 6.5

Setting up Salt Halite is not straightforward process. Its a WebUI for Salt master where you can easily run commands and...
Ajeet Raina
Feb 7, 2015 48 sec read

SaltStack on CentOS 6.5

SaltStack is an extremely fast and scalable systems and configuration management software for predictive orchestration, cloud and data center automation, server...
Ajeet Raina
Feb 5, 2015 9 min read

100 Hadoop Interview Questions

Are you preparing for Hadoop Interview? Have you spent last several hours to get the collection of Hadoop MapReduce questions? Are...
Ajeet Raina
Jan 19, 2015 24 min read

Learn Puppet With Me – Day 4

In today’s session, we are going to quickstart writing a basic puppet module. A Very simple example could be creating a...
Ajeet Raina
Jan 19, 2015 38 sec read

Learn Puppet with Me – Day 3

Puppet is an open source framework and toolset for managing the configuration of computer systems. Puppet can be used to manage...
Ajeet Raina
Dec 20, 2014 9 min read

How to install Nagios on Linux?

Last week I thought of setting up Nagios on my Linux Box.I installed a fresh piece of RHEL on my Virtualbox...
Ajeet Raina
Dec 20, 2014 6 min read

How to configure Directory Indexing in Apache?

While attending RHCE examination, I faced a lot of question related to Apache. While installation and configuration of Apache was the...
Ajeet Raina
Dec 20, 2014 21 sec read

Installing Open-Xchange on Ubuntu 12.04

I thought of starting my day today with Open-Xchange. I had Vmware Workstation installed on one of Windows 7 Enterprise machine....
Ajeet Raina
Dec 20, 2014 4 min read

Learn Puppet with Me – Day 2

Today we are going to learn about Puppet Modules. What is Puppet Modules? Puppetlabs defines it as “Modules are self-contained bundles...
Ajeet Raina
Dec 19, 2014 49 sec read

Learn Puppet With Me – Day 1

Today is the day 1 of Learn Puppet with Me. I am starting this thread for those who want to learn...
Ajeet Raina
Dec 19, 2014 52 sec read

How to setup RAID 1 on Ubuntu Linux?

RAID 1 creates a mirror on the second drive. .You will need to create RAID aware partitions on your drives before...
Ajeet Raina
Dec 7, 2014 2 min read

How to setup RAID 0 on Ubuntu Linux?

RAID 0 will create striping to increase read/write speeds as the data can be read and written on separate disks at...
Ajeet Raina
Dec 7, 2014 1 min read

How do I bind NIC interrupts to selected CPU?

I read this interesting mailing thread few weeks back. I won’t be late to share this with open source enthusiast like you....
Ajeet Raina
Dec 7, 2014 52 sec read

Puppet Module for JBOSS

Recently one of my colleague called me up with a problem statement where he was finding difficulty configuring JBOSS through puppet....
Ajeet Raina
Dec 7, 2014 3 min read

Automated shutdown of ESXi and VMs through Powershell

My friend was running a cybercafe center. He has dozens of ESXi running 100 of VMs. He was using Dell Multi-UPS...
Ajeet Raina
Dec 7, 2014 1 min read

Installing Java Development Toolkit (JDK) on Linux

Installing Java Development toolkit on Linux is always matter of difficulty since Oracle provides both RPM and tarballs in their official...
Ajeet Raina
Dec 7, 2014 2 min read

How to setup Domain Name Server (DNS) on Linux?

It has been long I was thinking of writing something about DNS(Domain Name Server). DNS is a database of the IP...
Ajeet Raina
Dec 7, 2014 2 min read

How to test Multicast Packet Filtering?

Today morning I started my day testing with Multicast Packet Filtering. I had buntu 12.04.1 and CentOS 6.5 in my VM...
Ajeet Raina
Dec 7, 2014 57 sec read

Understanding /proc/cpuinfo

A hyperthreaded processor has the same number of function units as an older, non-hyperthreaded processor. It just has two execution contexts,...
Ajeet Raina
Dec 7, 2014 3 min read

How to setup vsFTP server on Linux?

FTP refers to File Transfer Protocol. By default, Red Hat supports vsftp. If you do minimal RHEL installation, you mightn’t have...
Ajeet Raina
Dec 7, 2014 39 sec read

How to increae Swap space under Linux

“Can Linux be installed without swap space?”. This question was asked to me on one of Linux System admin interview. It...
Ajeet Raina
Dec 7, 2014 56 sec read

How to setup Centralized Logging System on Linux?

I was just hanging around blogs until I cam across one nice piece of setting up centralized Logging setup.I thought to...
Ajeet Raina
Dec 7, 2014 1 min read

How to create password-less SSH for Linux

Sometimes you might need setting up Password-less SSH for running script or for application where you dont want to use password...
Ajeet Raina
Dec 7, 2014 31 sec read

Installing SMARTFOX Server Pro on Debian

SmartFoxServer is a massive multiplayer platform for building games, MMO communities, virtual worlds, realtime multiplayer games. To setup SFS, in short...
Ajeet Raina
Dec 7, 2014 35 sec read

Setting up a Simple Samba Share – Part II

In the previous article we saw the practical implication of setting up a samba share.In this article we will explore more...
Ajeet Raina
Dec 7, 2014 1 min read

Setting up a Simple Samba Share – Part I

Samba is an important component to seamlessly integrate Linux/Unix Servers and Desktops into Active Directory environments using the winbind daemon.In simple...
Ajeet Raina
Dec 7, 2014 1 min read

Fog – An Open Source Cloning Solution

If you are a system admin who is still sticking to Clonezilla, you must probably look out to try FOG –...
Ajeet Raina
Dec 6, 2014 6 min read

Introduction to Puppet..

Puppet is an IT automation tool which has already gained popularity among the system admins, developers and Cloud architects. Whether its...
Ajeet Raina
Nov 15, 2014 10 sec read

Getting Started with Ansible

Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous...
Ajeet Raina
Nov 15, 2014 2 min read

It was an Openstack Day…OSI 2014

Yesterday I attended Open Source India 2014 event which happened in NIMHANS Convention Center, Bengaluru. If you are new to OSI,...
Ajeet Raina
Nov 8, 2014 3 min read

Installing Skype on CentOS 6.5

Getting skype working on CentOS 6.5 has been a daunting job for lot of system administrators. Usually I found system administrators...
Ajeet Raina
Nov 5, 2014 49 sec read

Automating Oracle Weblogic Server installation through shell script

Automation always saves your considerable time. Especially when you have to follow the similar step for hundreds of machine, automated scripts...
Ajeet Raina
Nov 4, 2014 2 min read

How to integrate Redmine with Git?

Redmine built through Ruby on Rails has been impressive free and open source web-based project management. I have been Trac quite...
Ajeet Raina
Nov 2, 2014 2 min read

Running Hadoop on Ubuntu 14.04 ( Multi-Node Cluster)

This is an introductory post on Hadoop for new begineers who want step by step instruction for deploying Hadoop on the...
Ajeet Raina
Nov 1, 2014 7 min read
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