During the installation the ebuild creates the symlinks : dosym /opt/VirtualBox/wrapper.sh /usr/bin/virtualbox dosym /opt/VirtualBox/wrapper.sh /usr/bin/vboxmanage dosym /opt/VirtualBox/wrapper.sh /usr/bin/vboxsdl but the wrapper.sh check the corrct Spelling of calling with: case "$APP" in VirtualBox) exec "$INSTALL_DIR/VirtualBox" "$@" ;; VBoxManage) exec "$INSTALL_DIR/VBoxManage" "$@" ;; VBoxSDL) exec "$INSTALL_DIR/VBoxSDL" "$@" ;; *) echo "Unknown application - $APP" ;; esac So I've got allways the message Unknown application - virtualbox Reproducible: Always Steps to Reproduce: 1. master markus # groups root bin daemon sys adm disk wheel floppy dialout tape video lpadmin plugdev vboxusers 2. master markus # virtualbox Unknown application - virtualbox 3. master markus # vboxmanage Unknown application - vboxmanage 4. master markus # vboxsdl Unknown application - vboxsdl After recreate the symlink with corrct upper/lowercase all works as aspected.
Reopen if you have problems w/ 1.5.2