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https://github.com/kgoksal/vagrant-file-for-vm


https://github.com/kgoksal/vagrant-file-for-vm

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README 

        
# Vagrant Configuration Summary



## Overview



Vagrant is primarily used for creating and managing virtualized development environments, which can be either on-premises or in the cloud. Here's how it fits into different scenarios:



### On-Premises Use



1. **Local Development**:

   - **Development Machines**: Vagrant is often used on developers' local machines to create consistent, isolated environments that mirror production or staging setups.

   - **Testing**: Developers can test applications in various configurations and operating systems without needing physical machines.



2. **Internal Testing and QA**:

   - **Consistency**: Provides a consistent environment for internal testing and quality assurance, ensuring that tests are run in the same conditions as development.



3. **Training and Sandbox Environments**:

   - **Training**: Create and manage training environments that replicate real-world setups without affecting production systems.

   - **Sandboxing**: Allow experimentation and prototyping in isolated environments that can be easily destroyed and recreated.



4. **Infrastructure as Code (IaC)**:

   - **Configuration Management**: Integrate with tools like Ansible, Puppet, or Chef for managing configurations and automating infrastructure setup on-premises.



### Cloud Integration



1. **Cloud Provisioning**:

   - **Cloud Providers**: Vagrant can provision virtual machines on cloud platforms such as AWS, Azure, or Google Cloud, allowing for hybrid setups where local development environments are used alongside cloud-based resources.



2. **Hybrid Environments**:

   - **Development and Staging**: Use Vagrant to set up environments that interact with cloud resources, enabling development and testing against cloud-based infrastructure.



3. **Multi-Environment Consistency**:

   - **Unified Workflow**: Maintain consistency between local development and cloud environments, ensuring that configurations and dependencies are aligned.



While Vagrant is frequently used for on-premises purposes, such as local development and internal testing, it is also highly effective for integrating with cloud-based infrastructure. It provides flexibility for both on-premises and cloud environments, making it a versatile tool for managing virtualized setups regardless of where they are hosted.



## VM Configurations

This Vagrant configuration script sets up multiple virtual machines using VirtualBox. It utilizes the Hostmanager plugin to manage `/etc/hosts` entries for the VMs.



- **DB VM (db01)**

  - **Box**: CentOS Stream 9

  - **Hostname**: db01

  - **IP**: 192.168.56.55

  - **Memory**: 600 MB



- **Memcache VM (mc01)**

  - **Box**: CentOS Stream 9

  - **Hostname**: mc01

  - **IP**: 192.168.56.54

  - **Memory**: 600 MB



- **RabbitMQ VM (rmq01)**

  - **Box**: CentOS Stream 9

  - **Hostname**: rmq01

  - **IP**: 192.168.56.53

  - **Memory**: 600 MB



- **Tomcat VM (app01)**

  - **Box**: CentOS Stream 9

  - **Hostname**: app01

  - **IP**: 192.168.56.52

  - **Memory**: 800 MB



- **Nginx VM (web01)**

  - **Box**: Ubuntu Jammy64

  - **Hostname**: web01

  - **IP**: 192.168.56.51

  - **Memory**: 800 MB

  - **GUI Mode**: Enabled



## Purpose



The configuration ensures that each VM has specific settings for hostname, IP address, base box image, and memory allocation. Private network configuration allows VM communication, and VirtualBox settings customize the VM environment.