Linux and Unix Tutorials Archives...

Beginners guide to the UNIX / Linux operating system. I do work on Linux console terminal every day. Some of my favorite tips and tutorials which includes Shell script and Bash programming.

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 Install Docker Container on Linux? (Ubuntu and CentOS)

August 31st, 2019 by App Shah

Docker no doubt is the Best Container Management Platform for your Enterprise and/or Personal project need. Why we need Docker? Consider this simple scenario for your project. You ...
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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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What is Ansible pre_tasks? How to Update OS, Install Python and Install JRE on Remote Host [Linux]?

August 1st, 2019 by App Shah

What is pre_tasks in Ansible? pre_tasks is a task which Ansible executes before executing any tasks mentioned in .yml file. Consider this scenario. You provisioned a new instance on ...
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How to create executable .jar file using Linux commands and without Eclipse Shortcut?

March 30th, 2019 by App Shah

So far for me it it was so easy to right click in Eclipse IDE and create executable .jar file with few simple clicks. Last week I had to create executable .jar file manually on my Digital ...
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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-5dea013149eb2624867093/] 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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Ansible: How to copy File, Directory or Script from localhost to Remote host?

March 21st, 2019 by App Shah

As a part of IT management department, folks deal with lots of scripts and command line tools. I'm sure you face day to day situation in which you have copy files or scripts to thousands of ...
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How to install Ansible on Linux Ubuntu OS?

February 26th, 2019 by App Shah

Let's get started on how to install Ansible on Linux Ubuntu and macOS. What is Ansible? Ansible is an all in one IT solution. It's an IT orchestration engine which automates configuration ...
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