Problems with juno

I installed JuliaPro on a system running Ubuntu 16.04 LTS.
When I typed at the terminal prompt

the Juno interface opened, and if I pressed “Enter” in the correct window, Julia would start.

I recently did a clean install of Ubuntu 20.04 LTS.
JuliaPro had bin installed in$HOME/bin,
so I didn’t have to reinstall it.

Now when I type

julia starts in the terminal, rather than from Juno.

I installed atom on my system, and installed the julia package.
When I press “Enter” in the appropriate window, I get the error
Julia could not be detected.
I changed the setting for the location of the Julia binary to

and when I press “Enter”, nothing happens.

is the absolute path to the binary file.