lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
From /var/log/syslog:
Nov 9 13:06:32 bioanntu rserver[2992678]: /usr/lib/rstudio-server/bin/rserver: error while loading shared libraries: libssl.so.1.0.0: cannot open shared object file: No such file or directory
fix Rstudio Server problems with missing library files (provided by "nsight")
apt install nsight-compute
ldconfig /usr/lib/nsight-compute/host/linux-desktop-glibc_2_11_3-x64