Hard-link /home/myuser to its new location?

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http://askubuntu.com – I moved my home directory to a subdirectory of a second (mounted) drive using usermod -d ... -m. Now, most programs work fine, but a few (Dropbox, etc.) do not. I believe this is because there is no /home/myuser directory any more, so programs that are hard-coded to look there fail. Can I just create a hard link using ln -d? It seems like hard links are problematic, and I'm not even sure if I can create them across disks anyhow. But I'd like to get this sorted out soon. (HowTos)