Etherpad needs quite a lot of RAM

src/freedombone-app-etherpad

@@ -444,6 +444,13 @@ function install_etherpad {
         exit 7359
     fi
 
+    # Check the amount of RAM
+    ram_available=$(grep MemTotal /proc/meminfo | awk '{print $2}')
+    if [ $ram_available -lt 2000000 ]; then
+        echo $'Need at least 2GB RAM to install etherpad'
+        exit 783524
+    fi
+
     if [ -f $IMAGE_PASSWORD_FILE ]; then
         ETHERPAD_ADMIN_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
     else