LAN, NAT, HOST Only and Tunnel Kubernetes networks
Tutorial and full source code explaining how to create a Kubernetes cluster with Ansible and Vagrant for local development under 3 minutes.
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How to publish multiple replicas of an Application (from the Docker Registry) and create a NodePort in Kubernetes using Terraform (in 10 seconds)
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How to create a Kubernetes persistent volume for Postgres long term storage of data using a NFS Volume
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How to install the Kubernetes Dashboard and manage the cluster after installation.
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Define and apply a company-wide consistent structure for all your Ansible Playbooks that allows for easy understanding and maximum reutilization
This Ansible AWS tutorial shows how to use Ansible and its dynamic inventory to provision the software and configuration of infrastructure that has been created with Terraform.
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The 7 layers of the OSI model The OSI model is a conceptual framework that is used to describe how a network functions. It identifies seven fundamental networking layers, from the physical hardware up to high-level software applications. Each layer in the model handles a specific networking function. The standard helps administrators to visualize networks, […]
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AWS Security Groups are virtual firewalls that control inbound and outbound traffic to and from Amazon Web Services (AWS) resources, such as EC2 and RDS instances.
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Amazon Elastic Compute Cloud, is a web service offered by Amazon Web Services (AWS) that provides resizable and scalable compute capacity in the cloud. In simple terms, AWS EC2 allows you to launch and manage virtual machines, known as instances, in the AWS cloud.
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Ansible Roles Granularity We recommend building Ansible roles that are highly reusable by configuration, but we also recommend pragmatism as our highest priority. Roles for systems and applications designed to be standalone, or before the Cloud was around, are called “non-native cloud applications”, often those are stateful applications that can not be clustered without sharing […]
How to split traffic in Kubernetes with Istio based on request headers, tutorial, and examples with source code.
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Methods to divide Terraform AWS infrastructure between different teams and projects using Terraform: Using Terraform Data Sources, Accessing a Remote Terraform State-file From Other Project, ...
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AWS list of AMI
Tutorial and source code explaining how to manage AWS Route 53 DNS Service, create an register an EC2 instances and find an AMI with Terraform.
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Tutorial and source code explaining how to create and manage MariaDB (or MySQL) RDS database with Terraform in AWS.
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How to install Istio in a Kubernetes Cluster to use it as a service mesh for a microservices architecture.
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Terraform and AWS resource naming should follow a company standard. Each company has different requirements and the standard should be adjusted.
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Tutorial and source code explaining how to manage AWS EC2 Instances and Security with Terraform.
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AWS Terraform module
Techniques to prevent infrastructure destroy in Terraform by protecting selected instances and resources from being accidentally destroyed.
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AWS S3, is a highly scalable and durable object storage used for data storage, backup, content distribution, data archiving, and as a foundation for building cloud-native applications.
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Best practices for naming and using AWS Infrastructure with Terraform and Ansible.
What are the Terraform Cloud Agents? With Terraform Cloud Agents, a company can manage its private infrastructure as code and benefit from all the functionality of Terraform in a SaaS scenario.
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Allows you to generate inventory (host and group information) dynamically rather than statically defining it in a static inventory file
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Tutorial on how to use Istio on Kubernetes for releasing new versions of software to the Cloud.
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AWS AMI, or Amazon Machine Image, is a pre-configured virtual machine image used to create and launch Amazon Elastic Compute Cloud (EC2) instances
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Tutorial and source code explaining how to create and manage AWS networking with Terraform.
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AWS Terraform module
Infrastructure as Code IaC is an approach to managing and provisioning computing infrastructure through machine-readable code and automation, rather than manual processes. In IaC, infrastructure is defined, configured, and managed using code, which can be version-controlled and treated like any other software application. IaC involves: IaC provides several benefits, including improved efficiency, reduced manual errors, […]
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AWS Users
In order to run the examples presented in IT Wonder Lab you will need accounts in different cloud providers. Most of the providers offer free tiers or some demo credits to test their services, be aware that running the examples might cost you money. Visit aws.amazon.com/free to understand what is included by AWS in its […]
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Obtain your public IP address and use it in Terraform to create AWS Security Rules.
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Terraform logo
HashiCorp Configuration Language HCL is a domain-specific language developed by HashiCorp, a company known for its infrastructure automation tools such as Terraform, Vault, Consul, and Nomad. HCL is designed specifically for writing configuration files that define infrastructure components and their settings. It is used in HashiCorp’s suite of tools to create and manage infrastructure as […]
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Ansible Multiple Environment Handling multiple infrastructure environments with Ansible is easily done by targeting the environment tag that is included in the mandatory AWS Tags. See AWS Tagging Best Practices. Avoid mixing environments mistakes Have switches, configurations redundancies and different keys for each environment to reduce the possibility of applying changes to the wrong client […]
AWS Public and Private Network in a VPC
Tutorial and source code explaining how to provision and configure a VPC, Route 53, RDS MariaDB, Instances and security groups using Ansible and Terraform on AWS to run WordPress in an Ubuntu server with Nginx, PHP, and Let’s Encrypt.
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Effective infrastructure resource tagging can greatly improve management, IaC, monitoring and cost visibility in AWS.
Kubernetes tutorial explaining how to use a NodePort to publish applications in a Kubernetes cluster running in VirtualBox with Vagrant and Ansible
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AWS Create Group
How to create AWS IAM user for Terraform and Ansible demos.
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Enable Terraform debug Terraform uses the value from the environment variable TF_LOG to define the LOG level. Available values are TRACE, DEBUG, INFO, WARN or ERROR. Additionally, you can specify a destination file for the log by setting the environment variable TF_LOG_PATH to the full path of the desired destination. Set the debug variables and […]
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