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Ansible: How to automatically monitor newly created Amazon EC2 instances using Prometheus?

August 31st, 2019 by App Shah

Do you have any of below questions? Use file-based service discovery to discover scrape targets How to Automatically discover the use of multiple IPs? Automatically monitoring EC2 ...
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Ansible: How to Refresh Host Inventory at Runtime and Add a Pause while Executing Playbook?

August 29th, 2019 by App Shah

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 ...
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Ansible: How to Delete/ReCreate a File while running Ansible Playbook?

August 28th, 2019 by App Shah

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 ...
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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-5dea10bcafdf2074198567/] Why is it ElasticSearch is not allowed to run as root? Elasticsearch is a process, which I ...
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