Here is how to display the default gateway on Ubuntu from the command line.
Ubuntu 20.04 + (without net tools)
ip route showUbuntu 18.04 – (with net-tools)
routeUbuntu: show default gateway
Romain Drouche
System Architect | MCSE: Core Infrastructure
IT infrastructure expert with over 15 years of field experience. Currently a Systems and Networks Project Manager and Information Systems Security (ISS) expert, I use my expertise to ensure the reliability and security of technological environments.