Index: nextcloud/config/config.sample.php
--- nextcloud/config/config.sample.php.orig	2021-02-19 09:49:36.000000000 +0100
+++ nextcloud/config/config.sample.php	2021-02-25 23:36:09.785882000 +0100
@@ -83,7 +83,7 @@
  *
  * Default to ``data/`` in the Nextcloud directory.
  */
-'datadirectory' => '/var/www/nextcloud/data',
+'datadirectory' => '@l_prefix@/var/nextcloud/data',
 
 /**
  * The current version number of your Nextcloud installation. This is set up
@@ -968,7 +968,7 @@
  */
 'apps_paths' => [
 	[
-		'path'=> '/var/www/nextcloud/apps',
+		'path'=> '@l_prefix@/lib/nextcloud/apps',
 		'url' => '/apps',
 		'writable' => true,
 	],
@@ -1259,18 +1259,18 @@
 /**
  * Server details for one or more memcached servers to use for memory caching.
  */
-'memcached_servers' => [
+/* 'memcached_servers' => [
 	// hostname, port and optional weight. Also see:
 	// https://www.php.net/manual/en/memcached.addservers.php
 	// https://www.php.net/manual/en/memcached.addserver.php
 	['localhost', 11211],
 	//array('other.host.local', 11211),
-],
+], */
 
 /**
  * Connection options for memcached
  */
-'memcached_options' => [
+/* 'memcached_options' => [
 	// Set timeouts to 50ms
 	\Memcached::OPT_CONNECT_TIMEOUT => 50,
 	\Memcached::OPT_RETRY_TIMEOUT =>   50,
@@ -1289,7 +1289,7 @@
 
 	// Binary serializer vill be enabled if the igbinary PECL module is available
 	//\Memcached::OPT_SERIALIZER => \Memcached::SERIALIZER_IGBINARY,
-],
+], */
 
 
 /**
@@ -1469,7 +1469,7 @@
  * encryption in MySQL or specify a custom wait timeout on a cheap hoster.
  */
 'dbdriveroptions' => [
-	PDO::MYSQL_ATTR_SSL_CA => '/file/path/to/ca_cert.pem',
+    /* PDO::MYSQL_ATTR_SSL_CA => '/file/path/to/ca_cert.pem', */
 	PDO::MYSQL_ATTR_INIT_COMMAND => 'SET wait_timeout = 28800'
 ],