On Crunchify, we have published so number of tutorials on Ansible and this one is going to focus on How to Refresh Host Inventory at Runtime and Add a Pause while Executing Tasks. Let's consider this …
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Ansible: How to Delete/ReCreate a File while running Ansible Playbook?
Ansible no doubt the best Infrastructure Automation tool out there which is used by top fortune 500 companies world wide. On Crunchify, we have published a wide verity of tutorials on Ansible. …
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How to Install and Configure Prometheus on Linux? (Ubuntu and CentOS)
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 companies …
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How to Create, Start and Configure Amazon EC2 instance using simple Ansible Script? (spawn VM remotely)
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 tutorial we …
How to Install, Setup and Execute 1st Amazon AWS CLI (Command Line Interface) on Linux/Mac?
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 flexible. I use my …
Java MailAPI Example – Send an Email via GMail SMTP (TLS Authentication)
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 API …
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How to fix “java.lang.RuntimeException: can not run elasticsearch as root” Exception?
Are you getting below exception while running ElasticSearch? [crayon-5f94e9905b6de708993532/] Why is it ElasticSearch is not allowed to run as root? Elasticsearch is a process, which I believe …
Ansible: How to Execute Commands on remote Hosts and get command result (log) back?
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 go over …
How to set GitHub user.name and user.email per Repository? Different .config file for different Repository
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 …