root@dsg-laptop:/tmp# lsb_release -d
Description: Debian GNU/Linux buster/sid
root@dsg-laptop:/tmp# dpkg -l |grep libssl
ii libssl1.1:amd64 1.1.1a-1 amd64 Secure Sockets Layer toolkit - shared libraries
root@dsg-laptop:/tmp# dpkg -i rstudio-xenial-1.1.463-amd64.deb
Selecting previously unselected package rstudio.
(Reading database ... 344662 files and directories currently installed.)
Preparing to unpack rstudio-xenial-1.1.463-amd64.deb ...
Unpacking rstudio (1.1.463) ...
dpkg: dependency problems prevent configuration of rstudio:
rstudio depends on libssl1.0.0 | libssl1.0.2; however:
Package libssl1.0.0 is not installed.
Package libssl1.0.2 is not installed.
dpkg: error processing package rstudio (--install):
dependency problems - leaving unconfigured
Processing triggers for shared-mime-info (1.10-1) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for gnome-menus (3.31.4-3) ...
Processing triggers for desktop-file-utils (0.23-4) ...
Processing triggers for mime-support (3.62) ...
Errors were encountered while processing:
rstudio
root@dsg-laptop:/tmp#