How Terraform Authenticate to Azure?

How Terraform Authenticate to Azure? Authenticating to Azure using the Azure CLI Authenticating to Azure using Managed Service Identity Authenticating to Azure using a Service Principal and a Client Certificate…

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Azure Tutorials – How to create IAM user and assign Service Principal Access?

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Ansible Module Sample Code using Linux Bash script Example 5

Ansible Tutorial | How to write Ansible Playbooks | Ansible Crash Course Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share…

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Terraform Example Code for AWS Windows Server with IP-Username-Password

aws_instance.example.*.password_data is a list of the password_data results from each of the EC2 instances. Each one must be decrypted separately with rsadecrypt. In Terraform v0.11 requires using null_resource as a…

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Ansible Variable: How to declare Variables in Ansible Inventory or hosts file?

Example Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock…

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How to loop and iteration executations in Ansible Playbook with Example?

Example Playbook Code Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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How to set condition module executations in Ansible Playbook with Example?

Example – 1 For CENTOS / RHEL Example – 1 For Ubuntu Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share…

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Complete Tutorial on big O (big oh) notation

In this Tutorial I am going to cover Complete Tutorial on big O (big oh) notation. If you know something about Asymptotic Notations The big-O Notation is a part of…

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Terraform: Create Azure Linux/Windows VM with file, remote-exec & local-exec provisioner

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Terraform Example Program to Create Azure Linux VM

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Terraform Assignment: Azure Creating Linux VM with a Image using Data Sources

Output all the UBUNTU VM Image from Azure from one region but Use one of these image in Creating VM. Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and…

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Comparison Between Terraform, AWS CloudFormation & Azure ARM

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Example Terraform code to Create Github Repository

Generate GITHUB ACCESS Token Write Providers.tf Write Resources-github.tf Run Following Commands Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech…

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What is JMX and Why do we need it?

Java Management Extensions (JMX) was introduced in J2SE 5.0 release. It is a set of specifications used for network and application management. It specifies a method for developers to integrate…

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Zabbix Host groups, Templates, Macros, Triggers simplified

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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An Introduction of Bosh

BOSH is an open source tool that enables deployment and lifecycle management of distributed systems. It is the primary method used to deploy Cloud Foundry and is contributed to by…

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Lets understand a evolution of VMware Tanzu?

Product Timeline: The original Essential PKS arrived from a rebranding of the Heptio Kubernetes Service (HKS) that came with the VMware acquisition of Heptio at the end of 2018. Enterprise…

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How to monitor mysql using NewRelic with integration in Linux?

What MySQL integration collects and sends? NewRelic MySQL integration collects and sends inventory and metrics from your MySQL database to our platform, where you can see the health of your…

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How kubectl communicate with API server?

Workstation– kubectlread a file from 2 Location~/.kube/config && KUBECONFIG (env var) What is content of this “config” file?– ITS YAMLContains Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and…

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How to upload and download NPM Package using Sonatype Nexus?

Step 1 – Create a npm nexus repo Step 2 – Step 2 – Install Node in your server Step 3 – Create a Sample Project using NPM Step 4…

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Newrelic Complete Reference Guide and Tutorials

General Newrelic Essnetials Tutorials 2019 NewRelic Complete Troubleshooting Guide Newrelic Infrastructure Apache2 Integration and Monitoring in Linux CentOS with Newrelic Monitor Windows 2019 server using Newrelic Infrastructure Monitor Docker and…

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How to install and configure Sonatype Nexus?

Note: This steps are applicable for Linux Only. Prerequisite or System Requirements for Sonatype Nexus Java 8 Runtime Environment (JRE) Minimum CPUs: 4 Minimum RAM – 4 GB OS –…

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What is Bearer token and How it works?

Bearer tokens are a much simpler way of making API requests, since they don’t require cryptographic signing of each request. The tradeoff is that all API requests must be made…

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Maven by Example Ebooks

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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The Maven Complete Reference Ebooks

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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The Maven Cookbook Ebooks

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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AWS Certified SysOps Administrator – Chapter – 6

Review Questions Your company user Chef for its automation. What AWS service can run Chef recipes? AWS Elastic Beanstalk AWS OpsWorks AWS CodeDeploy AWS CodeCommit Your company is migrating to…

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AWS Certified SysOps Administrator – Chapter – 5

Review Questions How are charges calculated for data transferred between Amazon Relational Database Service (Amazon RDS) and Amazon Elastic Computer Cloud (Amazon EC2) instance in the Availability Zone? GB out…

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AWS Certified SysOps Administrator – Chapter – 4

Review Questions You are running a website that keeps historical photos from previous elections. Users Need to be able to search for and display images from the last 100 years….

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AWS Certified SysOps Administrator – Chapter – 3

Review Questions You have implement a Classic Load Balancer. You now need to collect some Information, specifically what is the IP address of the client making the request on the…

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