OVERVIEW:-
Configuration management is a process for maintaining computer systems, servers, and software in a desired, consistent state. It’s a way to make sure that a system performs as it’s expected to as changes are made over time. And to automate this process Configuration Management Tools are used such as Ansible and Terraform.
Description:
RHCE: A Red Hat® Certified Engineer (RHCE®) is a Red Hat Certified System Administrator (RHCSA) who is ready to automate Red Hat® Enterprise Linux® tasks, integrate Red Hat emerging technologies, and apply automation for efficiency and innovation using Ansible.
Terraform: HashiCorp Terraform is an infrastructure as code tool that lets you define both cloud and on-prem resources in human-readable configuration files that you can version, reuse, and share. You can then use a consistent workflow to provision and manage all of your infrastructure throughout its lifecycle.
We will provide LAB for practice as well as Gradable Assisted practice on various topics.
Exam Included:
EX294
Prerequisite:
Must be RHCSA Certified or have equivalent Linux knowledge.
RHCE and Terraform
- Inventories
- Modules
- Variables
- Facts
- Plays
- Playbooks
- Configuration files
- Get information of specific Ansible modules and Commands
- Install required packages
- Create a static host inventory file
- Create a configuration file
- Create and use static inventories to define groups of hosts
- Manage parallelism
- Create and distribute SSH keys to managed nodes
- Configure privilege escalation on managed nodes
- Validate a working configuration using ad hoc Ansible commands
- Create simple shell scripts
- Create simple shell scripts that run ad hoc Ansible commands
- Know how to work with commonly used Ansible modules
- Use variables to retrieve the results of running a command
- Use conditionals to control play execution
- Configure error handling
- Create playbooks to configure systems to a specified state
- Software packages and repositories
- Services
- Firewall rules
- File systems
- Storage devices
- File content
- Archiving
- Scheduled tasks
- Security
- Users and groups
- Create roles
- Download roles from an Ansible Galaxy and use them
- Create and use templates to create customized configuration files
- Use Ansible Vault in playbooks to protect sensitive data
- What is terraform ?
- Why is terraform needed ?
- Difference between Puppet , Ansible and Terraform.
- Terraform Workflow
- Understand Providers , Resources , State , Variables
- Referring registry.terraform and Terraform language (HCL)
- Terraform Commands
- Understand ins and out of HCl (HashiCorp Configuration Language)
- To install Terraform and verify installation .
- Basic Commands - apply , plan , refresh .
- To Build , Change , Destroy Infrastructure on Terraform .
- Working with different providers like
- Linux
- GitHub
- AWS
- Azure
- GCP
- Variables in Terraform
- Input vars : String, number, boolean
- Special vars: Lists and maps
- Loops
- Count
- For
- For_each
- Data Sources in terraform
- Outputting data and Locals
- AWS S3 Storage
- AWS VPC, Subnets, Gateway
- AWS EBS, ELB
- GCP Vms and Devops services
- Using Vaults like AWS Secrets manager, Hashicorp vault
- GCP Resources
- terraform.tfstate and terraform.tfstate.backup file
- Resource graphs in terraform
- Generating resource graphs
- Provisioning Linux instance with User data
- Generating Resource graph on deployed instance
- Local-exec and Remote-exec
- Terraform Module
- Module testing discussion
- Deploying Kubernetes services by calling modules
- Deploying Kubernetes Services with GKE/EKS
Training Partners
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