Wiki

• in config.php

  enable_previews -> true / false
  preview providers -> check for certain type

• storage location:

  data/appdata_instanceid/preview

• previewgenerator app

  generates previews to preview storage location
  using config settings
  occ preview:cleanup
  occ preview:pre-generate -> only new files!
  occ preview:generate-all -vvv --workers=n username
  files:scan-app-data

• pre-v33: 'oc_filecache table'

• from v33: 'oc_previews table'

# config.php : 'enable_previews' => false,
# occ preview:cleanup
# DELETE FROM oc_filecache WHERE path LIKE 'appdata_<instanceid>/preview/%';
# occ files:scan-app-data
# config.php : 'enable_previews' => false,

# disable ALL nc cron jobs
# run fix 
# log in with nc user: e.g. w_nc (don't sudo, not working)
# nc_directory # php occ preview:generate-all -vvv --workers=n username
# re-activate cron-jobs