diff --git a/src/open3a/constants-service.conf b/src/open3a/constants-service.conf
new file mode 100644
index 0000000..382f437
--- /dev/null
+++ b/src/open3a/constants-service.conf
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Authors:
+# (C) 2021 Idea an concept by Christian Zengel <christian@sysops.de>
+# (C) 2021 Script design and prototype by Markus Helmke <m.helmke@nettwarker.de>
+# (C) 2021 Script rework and documentation by Thorsten Spille <thorsten@spille-edv.de>
+
+# This file contains the project constants on service level
+
+# Create sharefs mountpoint
+LXC_MP="0"
+
+# Create unprivileged container
+LXC_UNPRIVILEGED="1"
+
+# enable nesting feature
+LXC_NESTING="0"
\ No newline at end of file
diff --git a/src/open3a/install-service.sh b/src/open3a/install-service.sh
new file mode 100644
index 0000000..2c695bc
--- /dev/null
+++ b/src/open3a/install-service.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# Authors:
+# (C) 2021 Idea an concept by Christian Zengel <christian@sysops.de>
+# (C) 2021 Script design and prototype by Markus Helmke <m.helmke@nettwarker.de>
+# (C) 2021 Script rework and documentation by Thorsten Spille <thorsten@spille-edv.de>
+
+source /root/zamba.conf
+source /root/constants-service.conf
+
+MYSQL_PASSWORD="$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 20 | head -n 1)"
+
+apt update
+
+DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq unzip nginx-full mariadb-server mariadb-client php php-cli php-fpm php-mysql php-xml php-mbstring
+
+cat << EOF > /etc/nginx/sites-available/default
+server {
+        listen 80 default_server;
+        listen [::]:80 default_server;
+
+        root /var/www/html;
+
+        index index.php;
+
+        server_name _;
+
+        location ~ .php$ {
+                include snippets/fastcgi-php.conf;
+                fastcgi_pass unix:/var/run/php/php7.3-fpm.sock;
+        }
+}
+EOF
+
+mysql -uroot -e "CREATE USER 'open3a'@'localhost' IDENTIFIED BY '$MYSQL_PASSWORD';
+GRANT USAGE ON * . * TO 'open3a'@'localhost' IDENTIFIED BY '$MYSQL_PASSWORD' WITH MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0 ;
+CREATE DATABASE IF NOT EXISTS open3a;
+GRANT ALL PRIVILEGES ON open3a . * TO 'open3a'@'localhost';"
+
+cd /var/www/html/
+wget https://www.open3a.de/download/open3A%203.4.zip -O open3a.zip
+unzip open3a.zip
+rm open3a.zip
+chmod 666 system/DBData/Installation.pfdb.php
+chmod -R 777 specifics/
+
+echo "sudo -u www-data /usr/bin/php /var/www/html/plugins/Installation/backup.php; for backup in $(ls -r1 /var/www/html/system/Backup/*.gz | /bin/grep -v $(date +%Y%m%d)); do /bin/rm $backup;done" > /etc/cron.daily/open3a-backup
+chmod +x /etc/cron.daily/open3a-backup
+
+systemctl enable --now php7.3-fpm
+systemctl restart nginx
+
+echo -e "Your open3a installation is now complete. Please continue with setup in your Browser:\nURL:\t\thttp://$LXC_IP\nLogin:\t\tAdmin\nPassword:\tAdmin\n\nMysql-Settings:\nServer:\t\tlocalhost\nUser:\t\topen3a\nPassword:\t$MYSQL_PASSWORD\nDatabase:\topen3a"
\ No newline at end of file