Collabnix – Page 5 – Docker | Kubernetes

Introducing Collabnix Community: A New Meetup Group for DevOps Enthusiasts

DevOps is a rapidly growing field that brings together the worlds of development and operations. It is a culture...

Ajeet Raina
Mar 19, 2023 1 min read

Dagger: The Programmable CI/CD Engine That Runs Pipelines in Containers

Continuous Integration and Continuous Delivery/Deployment (CI/CD) are critical to the success of modern software development. They help to ensure...

Ajeet Raina
Mar 18, 2023 5 min read

How to Copy files from Docker container to the Host machine?

By utilizing DockerLabs, you can acquire knowledge on Docker and gain entry to over 300 tutorials on Docker designed...

Avinash Bendigeri
Mar 16, 2023 2 min read

Error: Docker Failed to Start – Docker Desktop for Windows

If you encounter an error while starting Docker Desktop for Windows, there are a few steps you can take...

Ajeet Raina
Mar 15, 2023 4 min read

12 Best Practices for Effective Monitoring and Observability

In today’s digital age, monitoring and observability are critical components of any software or application development process. Effective monitoring...

Karan Singh
Mar 20, 2023 5 min read

The Future of DevOps: What Artificial Intelligence and Machine Learning Bring to the Table

DevOps is the perfect environment to make use of AI and Machine Learning, as it focuses on automation and...

Avinash Bendigeri
Mar 20, 2023 4 min read

Layer5: Simplifying Microservices with Open-Source Service Mesh Solutions

Layer5 is a company that provides service mesh solutions for microservices architecture. The company’s goal is to simplify the...

Karan Singh
Mar 19, 2023 2 min read

10 Microservices Design Principles and Best Practices for Developers

Microservices architecture has gained popularity in recent years, and for a good reason. It offers scalability, fault tolerance, and...

Avinash Bendigeri
Mar 19, 2023 1 min read

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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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Unlocking High Performance with VirtioFS in Docker Desktop Docker Desktop is a popular tool used by developers to build and run containerized applications on their local machines. With the release of Docker Desktop, version 3.0, a new feature called VirtioFS was introduced.... Read More

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