diff --git a/optimizations.sh b/optimizations.sh
deleted file mode 100644
index 520dba1..0000000
--- a/optimizations.sh
+++ /dev/null
@@ -1,139 +0,0 @@
-#######################################################
-# Carsten Rieger IT-Services
-# OPTIMIZATIONS.SH
-# Version 1.2
-# April 23rd, 2018
-# version 1.2: remove whitespaces from config.php
-# version 1.1: added functions
-# Version 1.0: initial script
-#######################################################
-#!/bin/bash
-###global function to update and cleanup the environment
-function update_and_clean() {
-apt update
-apt upgrade -y
-apt autoclean -y
-apt autoremove -y
-}
-###global function to restart all cloud services
-function restart_all_services() {
-/usr/sbin/service nginx restart
-/usr/sbin/service mysql restart
-/usr/sbin/service redis-server restart
-/usr/sbin/service php7.2-fpm restart
-}
-###global function to scan Nextcloud data and generate an overview for fail2ban & ufw
-function nextcloud_scan_data() {
-sudo -u www-data php /var/www/nextcloud/occ files:scan --all
-sudo -u www-data php /var/www/nextcloud/occ files:scan-app-data
-fail2ban-client status nextcloud
-ufw status verbose
-}
-###backup of the effected file
-cp /var/www/nextcloud/.user.ini /var/www/nextcloud/.user.ini.bak
-###apply optimizations
-sudo -u www-data sed -i "s/upload_max_filesize=.*/upload_max_filesize=10240M/" /var/www/nextcloud/.user.ini
-sudo -u www-data sed -i "s/post_max_size=.*/post_max_size=10240M/" /var/www/nextcloud/.user.ini
-sudo -u www-data sed -i "s/output_buffering=.*/output_buffering='Off'/" /var/www/nextcloud/.user.ini
-sudo -u www-data cp /var/www/nextcloud/config/config.php /var/www/nextcloud/config/config.php.bak
-sudo -u www-data php /var/www/nextcloud/occ background:cron
-###apply optimizations to Nextclouds config.php
-sed -i '/);/d' /var/www/nextcloud/config/config.php
-cat <<EOF >>/var/www/nextcloud/config/config.php
-'activity_expire_days' => 14,
-'auth.bruteforce.protection.enabled' => true,
-'blacklisted_files' =>
-array (
-0 => '.htaccess',
-1 => 'Thumbs.db',
-2 => 'thumbs.db',
-),
-'cron_log' => true,
-'enable_previews' => true,
-'enabledPreviewProviders' =>
-array (
-0 => 'OC\\Preview\\PNG',
-1 => 'OC\\Preview\\JPEG',
-2 => 'OC\\Preview\\GIF',
-3 => 'OC\\Preview\\BMP',
-4 => 'OC\\Preview\\XBitmap',
-5 => 'OC\\Preview\\Movie',
-6 => 'OC\\Preview\\PDF',
-7 => 'OC\\Preview\\MP3',
-8 => 'OC\\Preview\\TXT',
-9 => 'OC\\Preview\\MarkDown',
-),
-'filesystem_check_changes' => 0,
-'filelocking.enabled' => 'true',
-'htaccess.RewriteBase' => '/',
-'integrity.check.disabled' => false,
-'knowledgebaseenabled' => false,
-'logtimezone' => 'Europe/Berlin',
-'log_rotate_size' => 104857600,
-'memcache.local' => '\\OC\\Memcache\\APCu',
-'memcache.locking' => '\\OC\\Memcache\\Redis',
-'preview_max_x' => 1024,
-'preview_max_y' => 768,
-'preview_max_scale_factor' => 1,
-'redis' =>
-array (
-'host' => '/var/run/redis/redis.sock',
-'port' => 0,
-'timeout' => 0.0,
-),
-'quota_include_external_storage' => false,
-'share_folder' => '/Shares',
-'skeletondirectory' => '',
-'trashbin_retention_obligation' => 'auto, 7',
-);
-EOF
-###remove leading whitespaces
-sed -i 's/^[ ]*//' /var/www/nextcloud/config/config.php
-restart_all_services
-update_and_clean
-###installfail2ban
-apt install fail2ban -y
-###create a fail2ban Nextcloud filter 
-touch /etc/fail2ban/filter.d/nextcloud.conf
-cat <<EOF >/etc/fail2ban/filter.d/nextcloud.conf
-[Definition]
-failregex=^{"reqId":".*","remoteAddr":".*","app":"core","message":"Login failed: '.*' \(Remote IP: '<HOST>'\)","level":2,"time":".*"}\$
-^{"reqId":".*","level":2,"time":".*","remoteAddr":".*","app":"core".*","message":"Login failed: '.*' \(Remote IP: '<HOST>'\)".*}\$
-^.*\"remoteAddr\":\"<HOST>\".*Trusted domain error.*\$
-EOF
-###create a fail2ban Nextcloud jail
-touch /etc/fail2ban/jail.d/nextcloud.local
-cat <<EOF >/etc/fail2ban/jail.d/nextcloud.local
-[nextcloud]
-backend = auto
-enabled = true
-port = 80,443
-protocol = tcp
-filter = nextcloud
-maxretry = 3
-bantime = 36000
-findtime = 36000
-logpath = /var/nc_data/nextcloud.log
-EOF
-update_and_clean
-###install ufw
-apt install ufw -y
-###open firewall ports 80+443 for http(s)
-ufw allow 80/tcp
-ufw allow 443/tcp
-###open firewall port 22 for SSH
-ufw allow 22/tcp
-###enable UFW (autostart)
-ufw enable
-###restart fail2ban, ufw and redis-server services
-/usr/sbin/service ufw restart
-/usr/sbin/service fail2ban restart
-/usr/sbin/service redis-server restart
-###clean up redis-server
-redis-cli -s /var/run/redis/redis.sock <<EOF
-FLUSHALL
-quit
-EOF
-restart_all_services
-nextcloud_scan_data
-exit 0