Linuxes

Install GNS3

Install GNS3

What is GNS3? GNS3 is used by hundreds of thousands of network engineers worldwide to emulate, configure, test and troubleshoot virtual and real networks. GNS3 allows you to run a small topology consisting of only a few devices on your laptop, to those that have many devices hosted on multiple servers or even hosted in the cloud. Architecture GNS3 consists of two software components the GNS3-all-in-one software GUI client and the server.
Using the NetworkManager’s DNSMasq plugin

Using the NetworkManager’s DNSMasq plugin

Imagine you want to test something in a demo setup with 5 machines. You create the necessary VMs in your local environment – but you cannot address them properly by name. With 5 machines you also need to write down the appropriate IP addresses – that’s hardly practical.