On Thu, Sep 21, 2017 at 11:37 AM, Jeffrey Ross <jeff@bubble.org> wrote:
How can I obtain a list of all packages currently installed on the system?


Don't need dnf...

$ rpm -qa

Which will likely be a lot, you can pipe to less to scroll or dump into a file for grepping or later use:

$ rpm -qa | less
$ rpm -qa > installed.txt

Thanks,
Richard