Mininet is network emulation software that lets you launch a virtual network — switches, hosts, and an SDN controller — all with a single command on one Linux machine. It is the fastest way to star...
Mininet is an open-source network emulator that creates a realistic virtual network — hosts, switches, routers, links — on a single Linux machine in seconds. Each host runs in a lightweight Linux n...
VyOS is an open-source network operating system built on Debian Linux. It provides the routing, firewall, VPN, and traffic-management capabilities of enterprise routers — Cisco IOS, Juniper JunOS —...
OPNsense is an open-source, FreeBSD-based firewall and routing platform forked from pfSense in 2015. It combines enterprise-grade security features — stateful packet inspection, intrusion detection...
Open vSwitch (OVS) is a production-quality, open-source multilayer virtual switch designed to enable network automation through programmatic extension while supporting standard management interface...
IPv4 served the internet for decades, but its 32-bit address space — roughly 4.3 billion addresses — ran out. IANA exhausted the last blocks in 2011. The long-term answer is IPv6, which uses 128-bi...
Every device that communicates over a network needs an address — a unique identifier that tells the network where to deliver traffic. IPv4 (Internet Protocol version 4) has been that addressing sys...
Docker changed how software is built, shipped, and run. Before containers, deploying an application meant wrestling with dependency mismatches, OS differences, and the dreaded “it works on my machi...
Git is the world’s most widely used distributed version control system. Every change you make to a file, every experimental feature you try, every collaboration with a teammate — Git tracks it all,...
Vagrant is an open-source tool by HashiCorp that lets you build and manage reproducible virtual development environments with a single configuration file. Instead of manually installing an OS, conf...