when I use QuiXplorer to upload a file or create a directory it's owned by
'nobody' and then I can't remove it. Did I miss a step in the set up?
No you didn't. The files and directories are owned by the user under which the webserver process runs (usually nobody). Check your webserver setup and change the user under wich the webserver runs. Then you have to ensure that the webserver process owner has write permissions to the home directory (and the subdirectories) and the .config directory, otherwise file uploads and configuration changes do not work.
For some additional information, see here:
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