diff --git a/DEVELOPING.md b/DEVELOPING.md
index 38c5c37..3a55602 100644
--- a/DEVELOPING.md
+++ b/DEVELOPING.md
@@ -25,5 +25,5 @@ npm start
 ```
 npm install
 npm run pre-rebuild && npm run rebuild
-sudo npm start
-```
\ No newline at end of file
+npm start
+```
diff --git a/back-end/checkDialout.js b/back-end/checkDialout.js
index ff753ed..7368780 100644
--- a/back-end/checkDialout.js
+++ b/back-end/checkDialout.js
@@ -14,9 +14,9 @@ function checkDialout(success, failure) {
         if(err) {
             failure(err);
         } else {
-            const groups = stdout.split(" ");
-            if(groups.indexOf("dialout") != -1) {
-                success();
+            const groups = stdout;
+	    if (groups.match(/(dialout|tty|uucp)/)) {
+	      success();
             } else {
                 const dialoutMissingError = new Error(ERROR_MESSAGES.USER_NOT_IN_DIALOUT);
                 failure(dialoutMissingError);
@@ -26,4 +26,4 @@ function checkDialout(success, failure) {
 }
 
 module.exports = checkDialout;
-module.exports.ERROR_MESSAGES = ERROR_MESSAGES;
\ No newline at end of file
+module.exports.ERROR_MESSAGES = ERROR_MESSAGES;
diff --git a/front-end/linux-help.html b/front-end/linux-help.html
index d220221..adbfed0 100644
--- a/front-end/linux-help.html
+++ b/front-end/linux-help.html
@@ -42,9 +42,10 @@
             </p>
             <p class="code">
                 sudo usermod -a -G dialout $USER
+		sg dialout "npm start"
             </p>
             <p>
-                Then log out or reboot your machine.
+                To make it permanent log out and back in, or reboot your machine.
             </p>
         </div>
     </div>