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How to Install and Configure Prometheus on Linux? (Ubuntu and CentOS)

August 25th, 2019 by App Shah

What is Prometheus? Prometheus is world class Monitoring System comes with Time Series Database as default. It's an open-source systems originally built in year 2012. World's top 500 ...
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How to Create, Start and Configure Amazon EC2 instance using simple Ansible Script? (spawn VM remotely)

August 28th, 2019 by App Shah

Amazon AWS is no doubt the best public cloud out there. As we discussed in previous tutorials, Ansible is a very handy tool for sysops to maintain their company infrastructure. In this ...
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How to Install, Setup and Execute 1st Amazon AWS CLI (Command Line Interface) on Linux/Mac?

August 1st, 2019 by App Shah

There is no doubt Amazon AWS is the biggest public cloud provider out there. I personally started playing with Amazon AWS for few of Crunchify's clients and I must say AWS is so ...
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Ansible – How to Grep (ps -few) and Kill any linux process running on Remote Host?

May 10th, 2019 by App Shah

Ansible is pretty amazing system admin tool. We have published number of articles on Ansible in last few weeks on how to copy files on remote host, How to Execute Commands on remote Hosts, ...
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Java MailAPI Example – Send an Email via GMail SMTP (TLS Authentication)

May 11th, 2019 by App Shah 80

In this Java Tutorial we will see how to send an email using GMail SMTP protocol in Java. I'm using JavaMail API v1.6.2. It is very robust solution available in the market. The JavaMail ...
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How to fix “java.lang.RuntimeException: can not run elasticsearch as root” Exception?

March 30th, 2019 by App Shah

Are you getting below exception while running ElasticSearch? [crayon-5f2bde65bf5fa029369225/] Why is it ElasticSearch is not allowed to run as root? Elasticsearch is a process, which I ...
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Ansible: How to Execute Commands on remote Hosts and get command result (log) back?

March 21st, 2019 by App Shah

On Crunchify, we have published quite a few Ansible articles before which includes, installation of Ansible, Copying file from one host to remote host and more. In this tutorial we will ...
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How to set GitHub user.name and user.email per Repository? Different .config file for different Repository

March 3rd, 2019 by App Shah 4

Do you have Personal GitHub and Work related GitHub account? I'm sure you do. Most of the fortune 500 companies are now using GitHub as their official code repository. By default ...
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Best Google Chrome extensions for Web Developers and Designers [2020 Edition]

February 8th, 2020 by App Shah 7

Extensions is the best way to add features to Google Chrome. I am going to share Top 3 useful Google Chrome extensions here that will help you if you are a web developer and ...
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