diff --git a/nextcloud-install.sh b/install.sh
similarity index 76%
rename from nextcloud-install.sh
rename to install.sh
index 1284b86..add045d 100644
--- a/nextcloud-install.sh
+++ b/install.sh
@@ -2,6 +2,9 @@
 
 set -e
 
+# on fresh install remove cdrom-repo and install sudo if not available
+which sudo >/dev/null 2>&1 || su -c "sed -i '/cdrom/d' /etc/apt/sources.list ; apt update ; apt -y install sudo"
+
 sudo apt-get -y install python3-pip git
 sudo pip install ansible