Lets understand about Helix Core in 2 mins!

Helix Core (P4D) is version control system introduced in 1995 and its based on client application and server application communicating over a TCP/IP connection. A full version of Helix Core…

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Lets know about Perforce Company and its product/Services.

Perforce, aka Perforce Software, is a Minneapolis, Minnesota-based developer of software used for Application development. The software is sold under the Helix and Hansoft brand names. In January 2018, the company…

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Understanding the Update API in Elasticsearch

The update API allows to update(also allows to delete, or ignore the operation). a document based on a script provided. The operation gets the document from the index, runs the…

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Understanding Elasticsearch Index Mapping & Schema

A schema is a description of one or more fields that describes the document type and how to handle the different fields of a document. The schema in Elasticsearch is…

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Find out elastic Search health using _cat/health

To check elasticsearch cluster health by using (CURL) and Cluster API “cat” provieded by elasticsearch The cat API print the info in JSON format, compact and aligned text which is…

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Understanding Elasticsearch Keywords and Terminology

Understanding Elasticsearch Keywords and Terminology Elasticsearch Terminology Description Cluster “A cluster is a collection of one or more nodes (servers) that together holds your entire data and provides federated indexing…

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Crash Course of Elasticsearch in 10 mins

What is Elasticsearch? Elasticsearch is fast, horizontally scalable open source search engine. It provides HTTP API for storing and indexing JSON documents and with default configuration it behaves a little…

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Elasticsearch Web References & Cheatsheet

Elasticsearch official documentation https://www.elastic.co/guide/en/elasticsearch/reference/6.x/index.html Very good Elasticsearch Guide on Github https://github.com/dzharii/awesome-elasticsearch Elasticsearch Official forum https://discuss.elastic.co/ Stackoverflow elasticsearch handlers http://stackoverflow.com/questions/tagged/elasticsearch Jolicode elasticsearch Cheatsheet http://elasticsearch-cheatsheet.jolicode.com/ Elasticsearch DevOpsSchool reference https://www.devopsschool.com/blog/category/elastic-stack/ https://www.devopsschool.com/tutorial/elastic/

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Web GUI tools for Elasticsearch cluster

elasticsearch-head is a web front end for browsing and interacting with an Elastic Search cluster. There are multiple ways of running elasticsearch-head. Running as a plugin of ElasticSearch (this is…

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Understanding REST HTTP method – GET, POST, PUT, HEAD, DELETE in Elasticsearch

REST (Representational State Transfer) was introduced and defined in 2000 by Roy Fielding in his doctoral dissertation. REST is an architectural style for designing distributed systems. It is not a…

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What are the method to interact with Elastic Search?

Elasticsearch provides official clients for several languages—Groovy, JavaScript, .NET, PHP, Perl, Python, and Ruby—and there are numerous community-provided clients and integrations, all of which can be found in There are…

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Use of runtime variables to save into another variable using register in Ansible

Another major use of variables is running a command and using the result of that command to save the result into a variable   – hosts: all tasks: – name:…

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Ansible Variable: Ansible & Ansible Tower Variable Precedence Hierarchy

Ansible & Ansible Tower Variable Precedence Hierarchy (last listed wins)

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How to use template in Ansible?

How to use template in Ansible? ##### Step 1 – Create your inventory file with ##### [code]$ vi inventory 35.154.85.120 ansible_user=root ansible_ssh_private_key_file=remote.pem 35.154.85.120 ansible_user=root ansible_ssh_private_key_file=remote.pem[/code] ##### Step 2 – Create…

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Run Ansible Adhoc commands or playbook in Local mode

If you are trying to run Ansible Adhoc commands or playbook in Local mode, these articles will help you. Ansible can’t run playbooks locally without ssh if ansible_connection=local is defined…

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Ansible Playbook Lab & Excercise – Part 4

Execution Mode – Remote Write a Ansible Playbook to create a group called “deploy” Write a Ansible Playbook to create a user called “deploy-user” which is part of group called…

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Ansible Adhoc Commands Lab & Excercise – Part 1

Program 1 – Write a Ansible Adhoc Commands to create a group called “deploy How to verify? $ more /etc/group | grep deploy Program 2 – Write a Ansible Adhoc…

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