MTR has long been one of the first little tools that I install on workstations.
sudo apt install mtr-tiny
I also have a hotkey to pop it up in a window, pinging to some host that'll always be somewhere on the other side of any ISP from me. Whenever I suddenly suspect a networking problem from my laptop, I hit the hotkey as the first troubleshooting step. MTR starts to narrow down a few different problems very quickly.
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MTR has long been one of the first little tools that I install on workstations.
I also have a hotkey to pop it up in a window, pinging to some host that'll always be somewhere on the other side of any ISP from me. Whenever I suddenly suspect a networking problem from my laptop, I hit the hotkey as the first troubleshooting step. MTR starts to narrow down a few different problems very quickly.