$ ls -la 2018-01-01/
total 8
drwxr-xr-x 2 tinyos tinyos 4096 Jan  3 10:01 .
drwxr-xr-x 8 tinyos tinyos 4096 Jan  3 11:37 ..
-rw-r--r-- 1 tinyos tinyos    0 Jan  3 10:01 access.log
-rw-r--r-- 1 tinyos tinyos    0 Jan  3 10:01 sys.log