darktable-generate-cache -V (return code: 1)
Unable to init server: Could not connect: Connection refused
this is darktable-generate-cache
copyright (c) 2014 johannes hanika; 2015 LebedevRI
darktable-generate-cache -HELP (return code: 1)
Unable to init server: Could not connect: Connection refused
usage: darktable-generate-cache [-h, --help; --version]
[--min-mip <0-7> (default = 0)] [-m, --max-mip <0-7> (default = 2)]
[--min-imgid <N>] [--max-imgid <N>]
[--core <darktable options>]
When multiple mipmap sizes are requested, the biggest one is computed
while the rest are quickly downsampled.
The --min-imgid and --max-imgid specify the range of internal image ID
numbers to work on.