When serial port redirection is active, tl-mount-localdrives will print a warning such as: ERROR: ld.so: object 'libcyclades-ser-cli.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object 'libcyclades-ser-cli.so' from LD_PRELOAD cannot be preloaded: ignored. This is of course because tl-mount-personal etc are setuid. I think tl-mount-localdrives should clear LD_PRELOAD or at least remove libcyclades-ser-cli.so from LD_PRELOAD, to avoid this warning.