diff --git a/src/main b/src/main
index 9bc2abe..0fb7c83 100755
--- a/src/main
+++ b/src/main
@@ -65,7 +65,7 @@ PGKNAME='openssh-server'
 runVoid dpkg-query --status $PGKNAME
 if [ $? -ne 0 ] ; then
     set -e
-    sudo apt install $PGKNAME
+    sudo apt install -y $PGKNAME
     sudo /opt/debian-bash/tools/append_or_replace "^#\?PermitRootLogin.*$" "PermitRootLogin no" /etc/ssh/sshd_config
     sudo /opt/debian-bash/tools/append_or_replace "^#\?PasswordAuthentication.*$" "PasswordAuthentication no" /etc/ssh/sshd_config
     sudo /opt/debian-bash/tools/append_or_replace "^#\?AllowUsers.*$" "AllowUsers $ALLOWED_USERS" /etc/ssh/sshd_config
@@ -75,6 +75,14 @@ else
     echo "${PGKNAME} already installed!"
 fi
 
+## allow hotplug eth0
+if [[ $(grep 'auto eth0' /etc/network/interfaces.d/setup ) ]];then 
+    sudo /opt/debian-bash/tools/append_or_replace "^auto eth0.*$" "allow-hotplug eth0" /etc/network/interfaces.d/setup
+else
+    echo "allow-hotplug already set up"
+fi
+
+
 ## firefox latest
 if [[ ! /usr/local/bin/firefox -ef /opt/firefox/firefox ]];then
     set -e