diff --git a/0PLAN.org b/0PLAN.org
index befe26b..d985997 100644
--- a/0PLAN.org
+++ b/0PLAN.org
@@ -4,10 +4,10 @@
 
 ** 0.2
 
-- [ ] use localStorage to store user
+- [-] use localStorage to store user
   - [ ] add barcode scanner to get the user
-  - [ ] allow editing
-  - [ ] add UserSelect component
+  - [X] allow editing
+  - [X] add UserSelect component
 - [X] integrate script for starting build qemu system
 - [X] add org file to the repository after cleanup
 
diff --git a/backend/brminv.scm b/backend/brminv.scm
index 808bf70..48c5c28 100644
--- a/backend/brminv.scm
+++ b/backend/brminv.scm
@@ -47,6 +47,7 @@
 (define -db-user- (make-parameter #f))
 (define -db-name- (make-parameter #f))
 (define -db-pass- (make-parameter #f))
+(define -db-enabled- (make-parameter #t))
 
 (command-line
  print-help
@@ -82,6 +83,8 @@
       (-db-user- dbuser))
  (-dp (dbpass) "Database password"
       (-db-pass- dbpass))
+ (-dd () "Disable database"
+      (-db-enabled- #f))
  )
 
 (define ssl? (and (-certificate-) (-key-) #t))
@@ -120,7 +123,8 @@
 (print "current user id: " (current-user-id))
 (print "current effective user id: " (current-effective-user-id))
 
-(bar-db-init! (-db-name-) (-db-host-) (-db-user-) (-db-pass-))
+(when (-db-enabled-)
+  (bar-db-init! (-db-name-) (-db-host-) (-db-user-) (-db-pass-)))
 
 (define (handle-api-calls)
   (define plst (cdr (uri-path (request-uri (current-request)))))
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index ce437fb..2ae663c 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -1,8 +1,12 @@
-import { useState } from 'react';
+import { useState, useEffect } from 'react';
 import BarcodeScannerComponent from 'react-qr-barcode-scanner';
-import { Container, Row, Col } from 'react-bootstrap';
+import Container from 'react-bootstrap/Container';
+import Row from 'react-bootstrap/Row';
+import Col from 'react-bootstrap/Col';
 import Table from 'react-bootstrap/Table';
 import Alert from 'react-bootstrap/Alert';
+import Form from 'react-bootstrap/Form';
+import Button from 'react-bootstrap/Button';
 
 import './App.css';
 import 'bootstrap/dist/css/bootstrap.min.css';
@@ -10,15 +14,15 @@ import 'bootstrap/dist/css/bootstrap.min.css';
 function App() {
     // Ensure we have persistent (informal) user information
     const [user, setUser] = useState("");
-    useEffect(() => {
-	localStorage.setItem('user', user);
-    }, [user]);
     useEffect(() => {
 	const user = localStorage.getItem('user');
 	if (user) {
 	    setUser(user);
 	}
     }, []);
+    useEffect(() => {
+	localStorage.setItem('user', user);
+    }, [user]);
 
     // If no user, must be scanned/set otherwise
     return (
@@ -26,17 +30,52 @@ function App() {
 	    {user === "" ?
 	     <NoUserView setUser={setUser} />
 	     :
-	     <UserView user={user} />}
+	     <UserView user={user} setUser={setUser} />}
 	</Container>
     );
 }
 
 function NoUserView({setUser}) {
-    return <p>No user!</p>;
+    const [preUser, setPreUser] = useState("");
+    return (
+	<>
+	    <Row>
+		<Col>
+		    <Form.Group>
+			<Form.Label>User:</Form.Label>
+			<Form.Control type="text" placeholder="Username"
+				      value={preUser} onChange={(v) => setPreUser(v.target.value)} />
+			<Form.Text>Which user is using this App?</Form.Text>
+		    </Form.Group>
+		</Col>
+	    </Row>
+	    <Row>
+		<Col>
+		    Scanner
+		</Col>
+	    </Row>
+	    <Row>
+		<Col>
+		    <Button variant="primary"
+			    onClick={() => setUser(preUser)}>Set!</Button>
+		</Col>
+	    </Row>
+	</>
+    );
 }
 
-function UserView({user}) {
-    return <p>User={user}</p>;
+function UserView({user, setUser}) {
+    return (
+	<Row>
+	    <Col>
+		{user}
+	    </Col>
+	    <Col>
+		<Button variant="info" onClick={() => setUser('')}>Change</Button>
+	    </Col>
+	    <BarItemScanner />
+	</Row>
+    );
 }
 
 function BarItemScanner() {
@@ -69,7 +108,7 @@ function BarItemScanner() {
     };
 
     return (
-	<Container>
+	<>
 	    <Row>
 		<Col>
 		    <BarcodeScannerComponent
@@ -103,7 +142,7 @@ function BarItemScanner() {
 		    <Alert variant={msgType}>{statusMsg}</Alert>
 		</Col>
 	    </Row>
-	</Container>
+	</>
     );
 }