19 curated resources
Everything you need, all in one place.
Cheat sheets, guides, tools, books and docs — hand-picked by engineers, for engineers.
19 resources
- BookFree
The Linux Command Line
William Shotts's definitive guide to bash, shell scripting and the Linux filesystem. Free to read online.
Systems Engineerbashscriptingfilesystem
- Cheat sheetFree
Vim Cheat Sheet
Every Vim command you'll need — modes, navigation, search and replace, window splits.
Systems Engineervimeditorterminal
- GuideFree
Linux Journey
Interactive, beginner-friendly course from your first commands to sysadmin-level Linux.
Systems Engineerbeginnerinteractivesysadmin
- ToolFree
Explainshell
Paste any shell command and get an instant explanation of every flag and argument.
Systems Engineerbashlearningreference
- Cheat sheetFree
Docker CLI Cheat Sheet
Docker's official one-page reference for images, containers, volumes and networks.
DevOps Engineerdockercontainerscli
- DocsFree
Kubernetes Documentation
The official Kubernetes docs — concepts, tasks, tutorials and API reference.
DevOps Engineerkubernetesk8sorchestration
- GuideFree
GitHub Actions Guide
Build CI/CD workflows with GitHub Actions — triggers, jobs, steps, secrets and reusable actions.
DevOps EngineerCI/CDautomationgithub
- BookPaid
Terraform: Up & Running
Yevgeniy Brikman's practical guide to writing Terraform for real-world infrastructure.
DevOps EngineerterraformIaCAWS
- GuideFree
DevOps Roadmap
A community-driven roadmap of skills, tools and concepts for DevOps engineers.
DevOps Engineerroadmapcareer
- DocsFree
Prometheus: First Steps
Install Prometheus, scrape your first targets and write your first PromQL queries.
DevOps Engineermonitoringprometheusgrafana
- DocsFree
AWS Well-Architected Framework
The pillars of building reliable, secure, efficient and cost-effective cloud systems.
Cloud Engineerarchitecturebest practicesAWS
- GuideFree
Cloud Design Patterns
Microsoft's catalog of design patterns for cloud applications — availability, data, messaging.
Cloud EngineerpatternsarchitectureAzure
- ToolFree
AWS Pricing Calculator
Estimate the cost of your AWS infrastructure before you build it.
Cloud EngineerAWScostplanning
- GuideFree
AWS Roadmap
A structured learning path for cloud engineers, from fundamentals to architecture.
Cloud EngineerroadmapAWS
- Cheat sheetNetDevSpaces
Subnetting — interactive lesson
Our subnetting lesson with a live calculator and a /25–/30 quick reference.
Network EngineersubnettingCIDRIPv4
- DocsFree
Wireshark User Guide
The official guide to capturing and analysing packets — filters, protocols and display tips.
Network EngineerWiresharkpacket analysisTCP
- ToolFree
Subnet Calculator
Network address, broadcast, usable hosts and wildcard masks for any CIDR block.
Network EngineersubnettingCIDRIPv4
- BookPaid
Computer Networking: A Top-Down Approach
Kurose and Ross — the go-to textbook for networking from the application layer down.
Network EngineertextbookTCP/IPprotocols
- ToolFree
DNS Lookup Tool
Query A, AAAA, MX, TXT and CNAME records in real time. Great for debugging.
Network EngineerDNSdebugging