always specify full path to executables in systemd Exec commands!

systemd/dmt-procmgt@.service

@@ -9,7 +9,7 @@ After=network-online.target
 # ExecStart command, which is not what we want here.  NOTE the '-'
 # before the script path that indicates that the exit status of this
 # command is to be ignored.
-ExecStartPre=-~/scripts/shm_all smkill
+ExecStartPre=-/home/dmtexec/scripts/shm_all smkill
 # add a little bit of extra time before starting, to ensure that any
 # lingering stuff after a previous stop isn't lying around.  This also
 # would be better done after stop, but we need to find the cleanest