Összehasonlítás

A kiválasztott és az jelenlegi változat között az alábbi különbségek fordulnak elő:

--- nextcloud [2026/02/26 09:28] – daevidt
+++ nextcloud [2026/03/01 17:38] (aktuális) – daevidt
@@ Sor 2: / Sor 2: @@
   * 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
+<code bash>
-    using config settings
+    # generates previews to preview storage location
+    # using config settings
     occ preview:cleanup
-    occ preview:pre-generate -> only new files!
+    occ preview:pre-generate # -> only new files!
-    occ preview:generate-all -vvv --workers=n username
+    occ preview:generate-all -vvv --workers=n username  # use a worker count of ~ 2*cpu cores
-    files:scan-app-data
+    occ files:scan-app-data
+</code>
 == Metadata storage: ==
-  * pre-v33:
+  * pre-v33: ''oc_filecache'' table
-    oc_filecache table
-  * from v33:
+  * from v33: ''oc_previews'' table
-    oc_previews table
 === Fix: ===
-  # config.php : 'enable_previews' => false,
+  - config.php : 'enable_previews' => false,
-  # occ preview:cleanup
+  - ''occ preview:cleanup''
-  # DELETE FROM oc_filecache WHERE path LIKE 'appdata_<instanceid>/preview/%';
+  - ''DELETE FROM oc_filecache WHERE path LIKE 'appdata_<instanceid>/preview/%';''
-  # occ files:scan-app-data
+  - ''occ files:scan-app-data''
-  # config.php : 'enable_previews' => false,
+  - config.php : 'enable_previews' => true,
 === Regenerate previews if lost or broken: ===
-  # disable ALL nc cron jobs
+  - disable ALL nc cron jobs
-  # run fix
+  - stop cachefilesd (faster and not writing a lot of disk in vain)
-  # log in with nc user: e.g. w_nc (don't sudo, not working)
+  - run fix
-  # nc_directory # php occ preview:generate-all -vvv --workers=n username
+  - log in with nc user: e.g. w_nc (don't sudo, not working)
-  # re-activate cron-jobs
+  - ''nc_directory # php occ preview:generate-all -vvv --workers=n username''
+  - re-activate cron-jobs
+  - start cachefilesd