Linux Tutorials: How to troubleshoot Linux Server?

If a linux-build-server suddenly starts getting slow, I would divide my approach / troubleshooting into 3 section as follows; System Level troubleshooting Application Level troubleshooting Dependent Services troubleshooting Understand Logs Level…

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Java Installation Guide in Linux & Windows

DOWNLOAD OPEN JDK & JRE JAVA PACKAGE FROM – Download and Install JDK/JRE 7 in Centos & RHEL Download and Install JDK/JRE 8 in Centos & RHEL Download and…

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Docker Tutorials: How to Install Docker in Ubuntu?

Install Docker Engine in Ubuntu NOTE – All commands you must run as root user or add a current user into a linux group name called “docker” How to beocme…

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Chef Tutorials: Chef roles Tutorials and Example

What is Role? A role is a way to define certain patterns and processes that exist across nodes in an organization as belonging to a single job function. Each role…

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Chef Tutorials: Configure Workstation with knife

Install Chef Workstation Configure Chef Workstation with Chef Infra Server using Knife

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Linux Performance Monitoring Guide

CPU Memory Network Storage Device and Input I/O Storage Capacity Storage Controller CPU Memory and I/O Interconnect

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GitLab Tutorials: How to setup Gitlab in local machine ?

Port Specification System Requirements Centos 7 Docker

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GitLab Tutorials: Access gitlab Password Less in Windows

Step 1- Generate a public/private key using puttygen Download a puttygen from  and generate a public key and private key by following below image. Click on Conversions à Export OpenSSH…

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Complete guide on TypeScript certification courses, tutorials & training

What is TypeScript For application-scale development, TypeScript is JavaScript. Strongly typed, object-oriented, and compiled describe TypeScript. Anders Hejlsberg, the man behind C# at Microsoft, created it. A language and toolkit…

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Complete guide on Scala certification courses, tutorials & training

What is Scala Scalable Language is what Scala is called. It is a programming language with multiple paradigms. Functional and object-oriented programming features are included in the Scala programming language….

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What is CouchDB?

CouchDB is a document-oriented database and within each document fields are stored as key-value maps. Fields can be either a simple key/value pair, list, or map. It is an open-source…

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Complete JavaScript with AngularJS and NodeJS Certification Guide & tutorials

What is JavaScript with AngularJS and NodeJS? JavaScript was introduced as LiveScript, but Netscape converted its name to JavaScript. JavaScript is a dynamic computer programming language. It is lightweight and…

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Complete PHP with Laravel Certification Guide & tutorials

What is PHP with Laravel? PHP was visioned eventually in the fall of 1994 by Rasmus Lerdorf. PHP means Hypertext Preprocessor. It’s a extensively- used, open source scripting language and…

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Complete Digital Marketing Certification Guide & tutorials

What is Digital Marketing? This is the most trending, hot and job related topic. After the coronavirus pendamic we have all seen how a situation can top you going outside…

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Complete Android App Developer Certification Guide & tutorials

What is Android App Developer? Since few decades market is being dominated by android company. That’s why the demand of android developers are still on top. let’s know who is…

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Complete Servicenow Certification Guide & tutorials

What is Servicenow? ServiceNow was initiated as Glidesoft, Inc. in 2003 by Fred Luddy, and later included in California in 2004. ServiceNow is a cloud-based software platform which is used…

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Vagrant Installation & Configuration

Step 1 – Download Vagrant URL – Step 2 – Install Vagarnt in Windows Step 3 – Verify Vagrant Step 4 – Basic Workflow in Vagrant

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Linux Tutorials: Commands for Linux User

File Commands List files in the directory: List all files: Show directory you are currently working in: Create a new directory: Remove a file: Remove a directory recursively: Recursively remove a directory without requiring…

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Complete Salesforce Certification Guide & tutorials

What is Salesforce? Salesforce, Inc. is a well-known American cloud-based software company that provides CRM services. Salesforce is a famous CRM tool for support, sales, and marketing groups worldwide. Salesforce…

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Complete AIOps Certification Guide & tutorials

What is AIOps? The term AIOps was initially authored by Gartner in 2017. Traditional IT management techniques were were seen as unfit to adapt to advanced business change. artner anticipated…

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