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Building custom Docker image using Dockerfile

Posted on February 24, 2018February 24, 2018 by thirumalai

We can build the docker images using Dockerfile Dockerfile is a text file containing command-line instructions. syntax for ‘docker build’:

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Docker
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Monitoring Docker Containers using built-in commands

Posted on February 21, 2018 by thirumalai

Monitoring plays vital role in Infrastructure management, now we will see the some of built-in commands which are available in

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Docker
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Setting up single node Kubernetes cluster using Minikube

Posted on February 18, 2018March 13, 2018 by thirumalai

Single Node Cluster with Minikube: To run the Kubernetes locally, we can use command line tool called Minikube. For development

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Kubernetes
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Use cases of Ansible Vault

Posted on February 13, 2018 by thirumalai

We all know, in general ‘vault’ means a compartment or room for safekeeping of valuables. Like that in ansible we

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Ansible
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Custom Systemd service – To run the script automatically during server boot up in CentOS7

Posted on February 11, 2018 by thirumalai

Below are the steps to create custom systemd service 1) Create a file “hello.service” under directory either “/etc/systemd/system/” or “/usr/lib/systemd/system/”

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Linux
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JSON and YAML file formats

Posted on January 29, 2018February 4, 2018 by thirumalai

JSON stands for JavaScript Object Notation; it is a lightweight data interchange format. {} -> curly braces denote the Objects

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JSON, YAML
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Ad Hoc Commands execution in Ansible

Posted on January 29, 2018 by thirumalai

By using below command syntax, we can execute OS commands on the managed machines from controller machine.     ansible host-pattern

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Ansible
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Installation and configuration of Ansible

Posted on January 26, 2018January 29, 2018 by thirumalai

We can install the Ansible in Controller machine by using one of the below method Using YUM repository Using Python

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Ansible
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Introduction to Ansible

Posted on January 25, 2018January 25, 2018 by thirumalai

Many configuration management tools are available in the market. Mainly following config tools plays major role in IT industry 1) 

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Ansible
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