Using Finder, you just give the hostname or IP address. IF it connects, you may at first access be prompted for username and password. But I'm not getting that far. It's not seeing the ClearOS machine as a samba share resource at all. As in window, if there isn't anything shared, you can't connect, but the plexmedia folder is shared on the server, and the Plex client can now see it and work with it.

Just that Finder can't find it, to allow easy upload of any new media files.

As an aside, is there any way I can set this forum to remember to sort my posts with oldest first? Otherwise, it's hard to find and read the posts in sequence. With Latest first, the original post is on the top, but the rest are in reverse order of posting.