diff --git a/install_server.sh b/install_server.sh
old mode 100644
new mode 100755
index 57b7c69..af87cd4
--- a/install_server.sh
+++ b/install_server.sh
@@ -1,11 +1,13 @@
-sudo apt install munin-node
+sudo apt-get update
+
+sudo apt-get install -y munin-node
 sudo cp installation/rpi-internal-temp /usr/share/munin/plugins
 sudo ln -sf /usr/share/munin/plugins/rpi-internal-temp /etc/munin/plugins/rpi-internal-temp
 sudo chmod a+x /usr/share/munin/plugins/rpi-internal-temp
 sudo echo "allow ^192\\.168\\.0\\.155\$" >> /etc/munin/munin-node.conf
 sudo service munin-node restart
 
-sudo apt install supervisor
+sudo apt-get install -y supervisor
 
 # Added  chown=pi:pi
 sudo cp installation/supervisord.conf /etc/supervisor/supervisord.conf