Instal Nsight

libtinfo5 is a prerequisite for Nsight1

$ apt-get install -y libtinfo5

You have to login to download the Nsight package, for example, for Ubuntu, I downloaded the NsightSystems-linux-public-2021.2.1.58-642947b.deb package and installed it with

$ dpkg -i NsightSystems-linux-public-2021.2.1.58-642947b.deb