Free online utilities for network engineers and developers.
Generate configurations for VyOS, Cisco IOS/XE, Juniper, Mikrotik, and Huawei. Supports interfaces, routing, NAT, ACLs, OSPF, and BGP.
Calculate IPv4 and IPv6 subnet information including network address, broadcast, usable hosts, and CIDR notation.
Calculate bandwidth requirements, throughput, and transfer times for network planning.
Calculate VXLAN VNIs, EVPN route targets, and overlay network parameters.
Generate cryptographically secure random passwords with customizable length and character options.
Generate MD5, SHA-1, SHA-256, SHA-512 hashes and verify file integrity checksums.
Generate firewall rules for iptables, nftables, and pf (BSD) with an easy-to-use interface.
Generate production-ready K8s manifests for Deployments, Services, ConfigMaps, Secrets, and more.
Generate ArgoCD Application manifests for GitOps deployments with sync policies and health checks.
Generate optimized Dockerfiles for various languages and frameworks with best practices.
Generate Terraform configurations for AWS, GCP, Azure resources with modules and best practices.
Build and validate cron expressions with visual schedule preview and natural language descriptions.
Generate Nginx configurations for reverse proxy, load balancing, SSL/TLS, and static file serving.
Generate systemd service, timer, and socket unit files with proper dependencies and security options.
Explore the 7 layers of the OSI networking model with protocols, examples, and troubleshooting tips.
Essential kubectl commands for managing clusters, pods, deployments, and services.
Docker and Docker Compose commands for container management and orchestration.
Essential Linux commands for system administration, file management, and processes.
Git commands for version control, branching, merging, and collaboration workflows.
Network ports, subnetting, diagnostic commands, and troubleshooting reference.
VyOS router configuration commands for interfaces, routing, firewall, and VPNs.
Playbooks, ad-hoc commands, vault secrets management, and Galaxy roles.
Infrastructure as Code workflows, state management, and workspaces.
Kubernetes package manager for releases, charts, and repositories.
Complete reference for HTTP response codes with descriptions and use cases.