diff --git a/.co8_vbox.sh.swp b/.co8_vbox.sh.swp
deleted file mode 100644
index a959125..0000000
Binary files a/.co8_vbox.sh.swp and /dev/null differ
diff --git a/co8_vdi.sh b/co8_vdi.sh
index fa1c1a0..0f04b6c 100644
--- a/co8_vdi.sh
+++ b/co8_vdi.sh
@@ -19,10 +19,11 @@ IFS="
 VAR_NAME=${VAR_NAME:-co8}
 VAR_CPU=${VAR_CPU:-1}
 VAR_MEM=${VAR_MEM:-1024}
-VAR_OS=CentOS_64
+VAR_OS=RedHat_64
 VAR_VID=32
 VAR_RDP=339
 VAR_NIC=bridged
+VAR_NET=en0
 VAR_VB="${HOME}/VirtualBox VMs"
 VAR_VDI="${HOME}/VirtualBox VMs/VDI/centos8_master.vdi"
 
@@ -39,8 +40,9 @@ do
 	        --ioapic on \
 	        --memory ${VAR_MEM} \
 	        --vram ${VAR_VID} \
-	        --nic1 ${VAR_NIC} \
-	        --bridgeadapter1 enp8s0 \
+	        --nic1 NatNetwork \
+                --nic2 ${VAR_NIC} \
+	        --bridgeadapter2 ${VAR_NET} \
 	        --vrde on \
 	        --vrdemulticon on \
 	        --vrdeport ${VAR_RDP}${N}
diff --git a/vbox.sh b/create_vbox.sh
similarity index 100%
rename from vbox.sh
rename to create_vbox.sh
diff --git a/create_vdi.sh b/create_vdi.sh
new file mode 100644
index 0000000..d897429
--- /dev/null
+++ b/create_vdi.sh
@@ -0,0 +1,149 @@
+#!/bin/bash
+# 
+# @Branislav Zeljak v0.1
+# 
+# Create VBox from template
+
+#VAR_QUAN=${VAR_QUAN:-1}
+#VAR_CPU=${VAR_CPU:-1}
+#VAR_MEM=${VAR_MEM:-1024}
+VAR_OS_UBU=Ubuntu_64
+VAR_OS_RH=RedHat_64
+VAR_VID=32
+VAR_RDP=339
+VAR_NIC=bridged
+VAR_NET=en0
+
+# Komponenten der Installation
+
+VAR_PATH="${HOME}/VirtualBox VMs/VDI/"
+VAR_UBU=ubu2004_master.vdi
+VAR_CO7=
+VAR_CO8=
+
+
+clear
+
+IFS="
+"
+read -p "Wievile VMs werden benoetigt? [1]: " VAR_QUAN
+read -p "Welche Praefix soll die VM erhalten?: " VAR_PRE
+
+PS3='Please enter your choice: '
+options=("Ubuntu" "CentOS 7" "CentOS 8" "Quit")
+select opt in "${options[@]}"
+do
+    case $opt in
+        "Ubuntu")
+            VAR_NAME="${VAR_PRE}"
+            VAR_OS="${VAR_OS_UBU}"
+            VAR_ISO="${VAR_UBU}"
+            ;;
+        "CentOS 7")
+            VAR_NAME="${VAR_PRE}"
+            VAR_OS="${VAR_OS_RH}"
+            VAR_ISO="${VAR_CO7}"
+            ;;
+        "CentOS 8")
+            VAR_NAME="${VAR_PRE}"
+            VAR_OS="${VAR_OS_RH}"
+            VAR_ISO="${VAR_CO8}"
+            ;;
+        "Quit")
+            break
+            ;; 
+        *)
+           echo "invalid option $REPLY"
+           ;;
+    esac
+
+read -p "Wieviele CPUs? [1] :" VAR_CPU
+read -p "Wiviel Memory? [1024] :" VAR_MEM
+
+VAR_CPU=${VAR_CPU:-1}
+VAR_MEM=${VAR_MEM:-1024}
+VAR_QUAN=${VAR_QUAN:-1}
+
+    for N in $(seq 1 $VAR_QUAN)
+    do
+      VBoxManage createvm \
+          --name ${VAR_NAME}-${N} \
+          --ostype ${VAR_OS} \
+          --register \
+          --basefolder ${VAR_NAME}-${N} 
+
+# CPU Memory Netzwerk RDP
+echo "Netzwerk"
+      VBoxManage modifyvm ${VAR_NAME}-${N} \
+          --ioapic on \
+          --cpus ${VAR_CPU} \
+          --memory ${VAR_MEM} \
+          --vram ${VAR_VID} \
+          --nic1 NatNetwork \
+          --nic2 ${VAR_NIC} \
+          --bridgeadapter2 ${VAR_NET} \
+          --vrde on \
+          --vrdemulticon on \
+          --vrdeport ${VAR_RDP}${N}
+
+# Create HD-0
+echo "HDD"
+        VBoxManage createhd \
+          --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_disk0.vdi \
+          --size 102400 \
+          --format VDI
+
+# Create HD-1
+      VBoxManage createhd \
+          --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_disk1.vdi \
+          --size 10240 \
+          --format VDI
+
+# Create SATA Controler
+      VBoxManage storagectl ${VAR_NAME}-${N} \
+          --name "SATA Controller" \
+          --add sata \
+          --controller IntelAhci \
+          --add sata \
+          --controller IntelAhci
+
+# Attach HD-0 to storage controller
+      VBoxManage storageattach ${VAR_NAME}-${N} \
+          --storagectl "SATA Controller" \
+          --port 0 \
+          --device 0 \
+          --type hdd \
+          --medium  ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_disk0.vdi
+
+# Attach HD-1 to storage controller
+      VBoxManage storageattach ${VAR_NAME}-${N} \
+          --storagectl "SATA Controller" \
+          --port 1 \
+          --device 0 \
+          --type hdd \
+          --medium  ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_disk1.vdi
+
+# IDE controller for CD-ROM
+      VBoxManage storagectl ${VAR_NAME}-${N} \
+          --name "IDE Controller" \
+          --add ide \
+          --controller PIIX4
+
+# Attach CD-ROM ISO
+      VBoxManage storageattach ${VAR_NAME}-${N} \
+          --storagectl "IDE Controller" \
+          --port 1 \
+          --device 0 \
+          --type dvddrive \
+          --medium ${VAR_PATH}/${VAR_ISO}
+
+# Boot
+      VBoxManage modifyvm ${VAR_NAME}-${N} \
+          --boot1 dvd \
+          --boot2 disk \
+          --boot3 none \
+          --boot4 none
+
+    done
+break
+done
diff --git a/start.sh b/start.sh
index 2385b48..4193b3b 100644
--- a/start.sh
+++ b/start.sh
@@ -8,13 +8,13 @@
 
 
 clear
+VBoxManage list vms
 read -p "Wievile VMs sollen gestartet werden?: " VAR_QUAN
-read -p "Praefix in der VBox [ubu]: " VAR_NAME
+read -p "Praefix in der VBox: " VAR_NAME
 
 IFS="
 "
 
-VAR_NAME=${VAR_NAME:-ubu}
 VAR_VB="${HOME}/VirtualBox VMs"
 VAR_VDI="${HOME}/VirtualBox VMs/VDI/ubu2004_master.vdi"
 
diff --git a/stop.sh b/stop.sh
index d6eb54e..1541312 100644
--- a/stop.sh
+++ b/stop.sh
@@ -8,13 +8,13 @@
 
 
 clear
+VBoxManage list vms
 read -p "Wievile VMs sollen gestartet werden?: " VAR_QUAN
 read -p "Praefix in der VBox [ubu]: " VAR_NAME
 
 IFS="
 "
 
-VAR_NAME=${VAR_NAME:-ubu}
 VAR_VB="${HOME}/VirtualBox VMs"
 VAR_VDI="${HOME}/VirtualBox VMs/VDI/ubu2004_master.vdi"
 
diff --git a/ubu_vbox.sh b/ubu_vbox.sh
index d7cde55..87ef513 100644
--- a/ubu_vbox.sh
+++ b/ubu_vbox.sh
@@ -22,10 +22,10 @@ VAR_OS=Ubuntu_64
 VAR_VID=32
 VAR_RDP=339
 VAR_NIC=bridged
-VAR_HOME=$(whoami)
-VAR_PATH="/Users/${VAR_HOME}/Downloads/ISO/"
+VAR_NET=en0
+VAR_PATH="${HOME}/VirtualBox VMs/ISO/"
 VAR_ISO=ubuntu-20.04.1-live-server-amd64.iso
-VAR_VB="/Users/${VAR_HOME}/VirtualBox VMs"
+VAR_VB="${HOME}/VirtualBox VMs"
 
 for N in $(seq 1 $VAR_QUAN)
 do
@@ -40,8 +40,9 @@ do
           --cpus ${VAR_CPU} \
           --memory ${VAR_MEM} \
           --vram ${VAR_VID} \
-          --nic1 ${VAR_NIC} \
-          --bridgeadapter1 enp8s0 \
+          --nic1 NatNetwork \
+          --nic2 ${VAR_NIC} \
+          --bridgeadapter2 ${VAR_NET} \
           --vrde on \
 	  --vrdemulticon on \
           --vrdeport ${VAR_RDP}${N}