Step1 : Linux Fundamentals
- CLI (BASH)
- Process & Permissions : ps, kill, chmod
- package management : apt, yum
- Text editors : vim
Step2 : Networking & Security concepts
- OSI, TCP/IP models
- Different protocols : http, https, ssh etc.
- IP addresses, subnetting, DNS
- Network issues
- firewalls, proxy servers
Going forward : load balancers & caching servers.
Step3 : Scripting (Programming language)
popular options : Python, Ruby, Golang
- Syntax & fundamentals
- Useful libraries
- File handling
- Writing automation scripts
Step4 : Version Control (git)
- imp. Git commands : init, clone, add, commit, push, pull, merge, rebase etc.
- concept of branching
- merging & merge conflict resolution
- working with remote repositories
Step5 : Cloud
popular options : AWS, Azure, GCP
- configure & manage servers & data (EC2, S3, RDS)
- manage users, groups & roles (IAM)
- setup & manage isolated networks (VPC)
Devops Guide 2025
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