diff --git a/callbacks.rb b/callbacks.rb
index 00a2f82..6ff5854 100644
--- a/callbacks.rb
+++ b/callbacks.rb
@@ -1,7 +1,9 @@
 def process_callback_zone(message)
     host = message.data.split("|")[1]
-    tdata = `ssh #{host} heatbot_gettemp`
     zone = @probes[host].values.first
     puts "Selected: #{zone}"
-    send_message(message.message.chat.id, "#{zone}: #{tdata}°#{@tunit}")
+    tdata = process_tdata(host)
+    #puts "Selected: #{zone} [#{tdata}]"
+    send_message(message.message.chat.id, "#{zone}: #{tdata}")
+    STDOUT.flush
 end
diff --git a/commands.rb b/commands.rb
index 18efa1b..4129ef8 100644
--- a/commands.rb
+++ b/commands.rb
@@ -28,7 +28,7 @@ end
 def process_command_start(message, command, adm)
     reply = "I am #{@botname}, and I am here to provide temperature information from various sensors. Currently I can retrieve information " +
             "from temperature sensors as well as report when temperatures are out of a specified range.\n\n" +
-            "Commands available:\n/start (Shows this message)\n/check (Show temperatures, currently non-functional)\n/whoami or /chatinfo (Provides IDs for internal use)\n/whereareyou or /location (Provides hostname for bot server)\n\n" +
+            "Commands available:\n/start (Shows this message)\n/check or /c (Show temperatures)\n/report or /r (Show all temperatures)\n/whoami or /chatinfo (Provides IDs for internal use)\n/whereareyou or /location (Provides hostname for bot server)\n\n" +
             "Check again later to see if any new functions have been added, or use /patchnotes to learn about recent updates.\n" +
             "You can also view the source code at the following location:\nhttps://git.skyfall.tech/skyfall/heatbot"
     if message_from_admin?(message, adm)
@@ -87,18 +87,6 @@ def process_command_check(message, command, adm)
             message_text = "Which area would you like to check?\n"
             send_question(message.chat.id, message_text, options)
 	    #end interactive code
-	    #probe = @probes[0] #set manually for now
-	    #hostdata = host_lookup(select_loc)
-	    #puts "var:".blue+" hostdata".blue.bold+"::".bold + hostdata.to_s
-	    #if ! hostdata.empty?
-            #    hostdata.each do |k,v|
-	    #        puts "match:".blue+" host".blue.bold+"::".bold + k.to_s
-	    #        reply += k.to_s+"\n"
-	    #    end
-	    #else
-            #    reply = "No matching locations!"
-            #    puts "hostdata is empty!"
-            #end
     else
         send_message(message.chat.id,"I am not authorized to provide this information here.")
     end
@@ -106,16 +94,23 @@ end
 
 def process_command_report(message, command, adm)
     if is_chat_authorized?(message, @auth_chat) || message_from_admin?(message, adm)
+        confirmation = send_message(message.chat.id,"Generating full report... Please wait.")
         report = "Full Report:\n\n"
         @probes.each do |k,v|
             zone = v["loc"].to_s
             host = k
-            print "#{host}: #{zone} "
-            tdata = `ssh #{host} heatbot_gettemp`
-            print "[#{tdata}°#{@tunit}]\n"
-            report = report + "#{zone}: #{tdata}°#{@tunit}\n"
+            #print "#{host}: #{zone} "
+            tdata = process_tdata(host)
+            #tdata = `ssh #{host} heatbot_gettemp`
+            #print "[#{tdata}°#{@tunit}]\n"
+            #report = report + "#{zone}: #{tdata}°#{@tunit}\n"
+            #print "[#{tdata}]\n"
+            report = report + "#{zone}: #{tdata}\n"
+            STDOUT.flush
         end
         send_message(message.chat.id,report)
+        #delete_message(confirmation)
+        #delete_confirmation(confirmation)
     else
         send_message(message.chat.id,"I am not authorized to provide this information here.")
     end
diff --git a/run.rb b/run.rb
index ddfaa3f..283938e 100755
--- a/run.rb
+++ b/run.rb
@@ -105,7 +105,8 @@ print "Checking temperature units .............. "
 if @tunit.nil?
     errcount += 1
     print "FAIL!\n\n".red.bold
-    puts "Error(#{errcount.to_s}): No temperature probes configured! Bot will serve no purpose. Continuing anyway....\n\n"
+    puts "Error(#{errcount.to_s}): Temperature units not configured! Defaulting to Rankine. Continuing...\n\n"
+    @tunit = 'R'
 else
     print "OK\n".green.bold
 end
@@ -113,7 +114,7 @@ print "Checking probes list .................... "
 if @probes.nil?
     errcount += 1
     print "FAIL!\n\n".red.bold
-    puts "Error(#{errcount.to_s}): No temperature probes configured! Bot will serve no purpose. Continuing anyway....\n\n"
+    puts "Error(#{errcount.to_s}): No temperature probes configured! Bot will serve no purpose. Continuing anyway...\n\n"
 else
     print "OK\n".green.bold
 end
@@ -157,6 +158,29 @@ def host_lookup(select_loc)
     return @probes.select { |k,v| v['loc'] == select_loc }
 end
 
+class String
+    def is_integer?
+        /\A[-+]?\d+\z/ === self
+        #!!(self =~ /\A[-+]?[0-9]+\z/)
+    end
+end
+def process_tdata(host)
+    print "Processing #{host}: "
+    if system("nmap #{host} -p 22 2>&1 | grep 22 | grep open >/dev/null")
+        tdata = `ssh -oBatchMode=yes #{host} heatbot_gettemp`
+        if tdata.is_integer?
+            print tdata + "°#{@tunit}\n"
+            return tdata + "°#{@tunit}"
+        else
+            puts "Unexpected output from [".red.bold + host.bold + "]: ".red.bold + tdata
+            return "CHECK PROBE"
+        end
+    else
+        print "OFFLINE\n"
+        return "OFFLINE"
+    end
+end
+
 def ack_callback(message, display_message = true)
     #Delete message and notify user that we got the request
     begin
@@ -186,15 +210,32 @@ def delete_message(message)
     STDOUT.flush
 end
 
+def delete_confirmation(message)
+    #Deletes a message referred to by message_id
+    begin
+        Telegram::Bot::Client.run(@token) do |bot|
+            bot.api.deleteMessage(chat_id: message.chat.id, message_id: message.message_id)
+        end
+        rescue
+            puts "Error deleting message. Error: " + $!.message
+    end
+    STDOUT.flush
+end
+
 def send_message(chatid, message_text, imageurl = nil)
     if imageurl != nil
         #Send message with text as html link to image
-        Telegram::Bot::Client.run(@token) {|bot| bot.api.send_message(chat_id: chatid, text: "#{message_text}<a href=\"#{imageurl}\">.</a>", parse_mode: "HTML") }
-        puts timestamp + ": Sent: #{message_text.inspect}\n\n"
+        message = Telegram::Bot::Client.run(@token) {|bot| message = bot.api.send_message(chat_id: chatid, text: "#{message_text}<a href=\"#{imageurl}\">.</a>", parse_mode: "HTML") }
+        #puts timestamp + ": Sent: #{message_text.inspect}\n\n"
+        return message
     else
         #Send a plain-text message
-        Telegram::Bot::Client.run(@token) {|bot| bot.api.send_message(chat_id: chatid, text: message_text) }
+        message = Telegram::Bot::Client.run(@token) {|bot| bot.api.send_message(chat_id: chatid, text: message_text) }
         puts timestamp + ": Sent: #{message_text.inspect}\n\n"
+        #puts message
+        #message = message["results"]
+        #puts message
+        return message
     end
     STDOUT.flush
 end
@@ -298,7 +339,7 @@ def handle_callback_query(message)
     return
   end
 
-  ack_callback(message) #Change the movie/show selection message to "Request received..."
+  ack_callback(message) #Change the selection message to "Request received..."
 
   case command
     when "ZONE" #Get temp info from location