diff --git a/README.cleanup_bruteforce_attempts b/README.cleanup_bruteforce_attempts
new file mode 100644
index 0000000..4f99692
--- /dev/null
+++ b/README.cleanup_bruteforce_attempts
@@ -0,0 +1,11 @@
+# -----
+# Cleanup table bruteforce_attempts
+# -----
+
+DATABASE_NAME='cloud_01'
+MYSQL_CREDENTIAL_ARGS="--defaults-file=/usr/local/mysql/sys-maint.cnf"
+
+# Delete entries older than 60 minutes
+#
+mysql $MYSQL_CREDENTIAL_ARGS $DATABASE_NAME -N -s \
+   -e "DELETE FROM bruteforce_attempts WHERE occurred < UNIX_TIMESTAMP( DATE_SUB( NOW(), INTERVAL 60 MINUTE));"
diff --git a/README.set-group-quota b/README.set-group-quota
new file mode 100644
index 0000000..d39c918
--- /dev/null
+++ b/README.set-group-quota
@@ -0,0 +1,21 @@
+# -----
+# Group Quota
+# -----
+
+HTTP_USER=www-data
+WEB_BASE_DIR="/var/www/cloud-01.oopen.de"
+NEXTCLOUD_GROUP=BG
+
+# Set Group Quota
+#
+su -c "/usr/local/php/bin/php ${WEB_BASE_DIR}/htdocs/occ groupquota:set $NEXTCLOUD_GROUP 60G" -s /bin/bash $HTTP_USER
+
+
+# Get Group Quota
+#
+su -c "/usr/local/php/bin/php ${WEB_BASE_DIR}/htdocs/occ groupquota:get $NEXTCLOUD_GROUP" -s /bin/bash $HTTP_USER
+
+
+# Get current quota usage
+#
+su -c "/usr/local/php/bin/php ${WEB_BASE_DIR}/htdocs/occ groupquota:used $NEXTCLOUD_GROUP" -s /bin/bash $HTTP_USER