as already mentioned, Firejail https://firejail.wordpress.com/ https://firejail.wordpress.com/ is easy to use and was made at first to run Firefox in a sandbox.

as already mentioned, Firejail https://firejail.wordpress.com/ https://firejail.wordpress.com/ is easy to use and was made at first to run Firefox in a sandbox. It has pretty neat options and can isolate the FS, make use of a temporary home etc.