Not really a default, but under Ubuntu I always setup the system load indicator, sits in the top bar, nice little colored charts of CPU/Mem/Network/IO. After a

Not really a default, but under Ubuntu I always setup the system load indicator, sits in the top bar, nice little colored charts of CPU/Mem/Network/IO. After a while you notice when something unusual happens. I used nethogs to check which processes use the network but I'd like to see such a nice gui to track network usage.