diff --git a/Slave-installer.sh b/Slave-installer.sh
index 939022d..7bb9b6f 100644
--- a/Slave-installer.sh
+++ b/Slave-installer.sh
@@ -10,5 +10,5 @@ apt install cockpit-bridge cockpit-networkmanager cockpit-storaged cockpit-syste
 # Remember to Set the KEY #
 ###########################
 #add  master server SSHKey
-#sed '$ a <MasterServerKey>' /root/.ssh/authorized_keys
-sed '$ a ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCppBS3yCEO+afK9f15WvA6Lhy4gGk5XwUxK4x/FscFHDf9RhlS+8oYpSirVQxgJwzyF/Vnm24XKn429DGcpm8+GtPr6ZFDKHG6saz3/7q/T6lPNPKDgdOkV/5tleRrJOvWBwfb7dWbHVwwtREvqYnadelWaJm1jmfqTcmwlLnajzSd0ctHwHAxQp2VwAni56W7/oar7y/bpXYqNylqR7l7ej8FarrUz3d9tSJe+xyLeV9Xv9etCLCr+vOpJtdIquFLb40DOdi2M+5mH4mVnre85t0yij7bRf3bfCouaIcghiLeQLAUz1UBIsDdvMS5gJhVxRsc8Lg6YAwFXUPRy+E9 root@git' /root/.ssh/authorized_keys
+#sed  -i'$ a <MasterServerKey>' /root/.ssh/authorized_keys
+sed -i '$ a ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCppBS3yCEO+afK9f15WvA6Lhy4gGk5XwUxK4x/FscFHDf9RhlS+8oYpSirVQxgJwzyF/Vnm24XKn429DGcpm8+GtPr6ZFDKHG6saz3/7q/T6lPNPKDgdOkV/5tleRrJOvWBwfb7dWbHVwwtREvqYnadelWaJm1jmfqTcmwlLnajzSd0ctHwHAxQp2VwAni56W7/oar7y/bpXYqNylqR7l7ej8FarrUz3d9tSJe+xyLeV9Xv9etCLCr+vOpJtdIquFLb40DOdi2M+5mH4mVnre85t0yij7bRf3bfCouaIcghiLeQLAUz1UBIsDdvMS5gJhVxRsc8Lg6YAwFXUPRy+E9 root@git' /root/.ssh/authorized_keys