diff --git a/docs/ubuntuinstall.md b/docs/ubuntuinstall.md
index 454cb327..54c83e7f 100644
--- a/docs/ubuntuinstall.md
+++ b/docs/ubuntuinstall.md
@@ -132,13 +132,14 @@ Log in as username@domainname or username@ip_address
 
   `sudo apt-get install mysql-server -y`
 
-  ( enter blank password each time if prompted)
+  ( During install, enter blank password each time if prompted. We'll set one during secure setup.)
 
   `sudo systemctl status mysql` (q to exit)
 
 ## Secure Setup
 
   `sudo mysql_secure_installation`
+  
   * Password your_mysql_password
   * No to password validation
   * Y to all other options
@@ -223,13 +224,10 @@ tmux allows you to run multiple things in different sessions. Useful for manuall
 
   Once your wallet has a balance, run this:
 
-  `npm run configure`
-
-  (once your wallet balance has cleared)
-
-  `npm run configure`
-
+  `npm run configure`    
 
+  The script will ask for the following values:
+   
     * Database: lbry
     * Username: root
     * Password: your_mysql_password
@@ -237,6 +235,8 @@ tmux allows you to run multiple things in different sessions. Useful for manuall
     * Site Title: Your Site Name
     * Enter your site's domain name: https://example.com or http://localhost:3000
     * Enter a directory where uploads should be stored: (/home/lbry/Uploads)
+     
+  `npm run build`  (or `npm run dev` to build for developing)
 
   `npm run start`
 
diff --git a/package-lock.json b/package-lock.json
index febbadf7..c09d0b2f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7650,6 +7650,12 @@
       "integrity": "sha512-6qE4B9deFBIa9YSpOc9O0Sgc43zTeVYbgDT5veRKSlB2+ZuHNoVVxA1L/ckMUayV9Ay9y7Z/SZCLcGteW9i7bg==",
       "dev": true
     },
+    "md5-file": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/md5-file/-/md5-file-4.0.0.tgz",
+      "integrity": "sha512-UC0qFwyAjn4YdPpKaDNw6gNxRf7Mcx7jC1UGCY4boCzgvU2Aoc1mOGzTtrjjLKhM5ivsnhoKpQVxKPp+1j1qwg==",
+      "dev": true
+    },
     "md5.js": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
diff --git a/package.json b/package.json
index 3b5d9f17..8f7701b6 100644
--- a/package.json
+++ b/package.json
@@ -104,6 +104,7 @@
     "file-loader": "^2.0.0",
     "har-validator": "^5.1.3",
     "husky": "^1.1.3",
+    "md5-file": "^4.0.0",
     "mini-css-extract-plugin": "^0.5.0",
     "mocha": "^5.2.0",
     "ndb": "^1.0.26",
diff --git a/server/render/handleShowRender.jsx b/server/render/handleShowRender.jsx
index 4f43a400..ca0082f1 100644
--- a/server/render/handleShowRender.jsx
+++ b/server/render/handleShowRender.jsx
@@ -49,9 +49,12 @@ export default (req, res) => {
     action = false,
     saga = false,
   } = httpContext.get('routeData');
+  
+  if (action === 'fallback') {
+    res.status(404);
+  }
 
   const runSaga = (action !== false && saga !== false);
-
   const renderPage = (store) => {
 
     // Workaround, remove when a solution for async httpContext exists
@@ -63,10 +66,10 @@ export default (req, res) => {
     } else {
       const channelKeys = Object.keys(showState.channelList);
 
-      if(channelKeys.length !== 0) {
+      if (channelKeys.length !== 0) {
         res.claimId = showState.channelList[channelKeys[0]].longId;
         res.isChannel = true;
-        }
+      }
     }
 
     // render component to a string
@@ -115,10 +118,16 @@ export default (req, res) => {
       .then(() => {
         // redirect if request does not use canonical url
         const canonicalUrl = getCanonicalUrlFromShow(store.getState().show);
+      
+        if (!canonicalUrl) {
+          res.status(404);
+        }
+      
         if (canonicalUrl && canonicalUrl !== req.originalUrl) {
           console.log(`redirecting ${req.originalUrl} to ${canonicalUrl}`);
           res.redirect(canonicalUrl);
         }
+      
         return renderPage(store)
       });
   } else {
diff --git a/server/render/renderFullPage.js b/server/render/renderFullPage.js
index 12e39214..a35a0c1e 100644
--- a/server/render/renderFullPage.js
+++ b/server/render/renderFullPage.js
@@ -1,3 +1,10 @@
+const md5File = require('md5-file');
+const path = require('path');
+
+const bundlePath = path.resolve('./public/bundle/bundle.js');
+const bundleHash = md5File.sync(bundlePath);
+const shortBundleHash = bundleHash.substring(0,4);
+
 module.exports = (helmet, html, preloadedState) => {
   // take the html and preloadedState and return the full page
   return `
@@ -22,7 +29,7 @@ module.exports = (helmet, html, preloadedState) => {
             <script>
                 window.__PRELOADED_STATE__ = ${JSON.stringify(preloadedState).replace(/</g, '\\\u003c')}
             </script>
-            <script src="/bundle/bundle.js"></script>
+            <script src="/bundle/bundle.js?${shortBundleHash}"></script>
         </body>
     </html>
   `;
diff --git a/server/utils/getClaimData.js b/server/utils/getClaimData.js
index e0ab2433..5e26aad4 100644
--- a/server/utils/getClaimData.js
+++ b/server/utils/getClaimData.js
@@ -22,7 +22,7 @@ module.exports = async (data) => {
   let lbrynetFileExt = null;
   if (!data.fileExt) {
     lbrynetClaimResult = await getClaim(lbrynetUri).catch(() => { return 'invalid URI' });
-    lbrynetFileExt = lbrynetClaimResult && lbrynetClaimResult.file_name.split('.').slice(-1).pop();
+    lbrynetFileExt = lbrynetClaimResult && lbrynetClaimResult.file_name && lbrynetClaimResult.file_name.split('.').slice(-1).pop();
   }
 
   // TODO verify that "generated_x" does anything at all
diff --git a/utils/createModuleAliases.js b/utils/createModuleAliases.js
index f80fee87..eea3edb4 100644
--- a/utils/createModuleAliases.js
+++ b/utils/createModuleAliases.js
@@ -19,7 +19,7 @@ const addAliasesForCustomComponentFolder = (name, aliasObject) => {
   for (let i = 0; i < components.length; i++) {
     let folderName = components[i];
     let aliasName = `@${name}/${folderName}`;
-    aliasObject[aliasName] = resolve(`${CUSTOM_ROOT}/${name}/${folderName}/index.js`);
+    aliasObject[aliasName] = resolve(`${CUSTOM_ROOT}/${name}/${folderName}/`);
   }
   return aliasObject;
 };