diff --git a/docs/3.x.x/en/guides/models.md b/docs/3.x.x/en/guides/models.md
index 1c455b6c33..96eeb0e8c3 100644
--- a/docs/3.x.x/en/guides/models.md
+++ b/docs/3.x.x/en/guides/models.md
@@ -651,12 +651,11 @@ module.exports = {
    * Triggered before user creation.
    */
   beforeCreate: async (model, attrs, options) => {
-      // Hash password.
-      const passwordHashed = await strapi.api.user.services.user.hashPassword(model.attributes.password);
+    // Hash password.
+    const passwordHashed = await strapi.api.user.services.user.hashPassword(model.attributes.password);
 
-      // Set the password.
-      model.set('password', passwordHashed);
-    });
+    // Set the password.
+    model.set('password', passwordHashed);
   }
 }
 ```
diff --git a/packages/strapi-admin/scripts/setup.js b/packages/strapi-admin/scripts/setup.js
index c60587a03c..b2feefe066 100644
--- a/packages/strapi-admin/scripts/setup.js
+++ b/packages/strapi-admin/scripts/setup.js
@@ -5,7 +5,7 @@ const _ = require('lodash');
 shell.echo('');
 shell.echo('🕓  The setup process can take few minutes.');
 shell.echo('');
-shell.echo(`🔸  Administration Panel`);
+shell.echo('🔸  Administration Panel');
 shell.echo('📦  Installing packages...');
 
 const pwd = shell.pwd();
@@ -19,28 +19,28 @@ shell.rm('-rf', path.resolve(appPath, 'package-lock.json'));
 shell.rm('-rf', path.resolve(appPath, 'admin', 'package-lock.json'));
 
 // Install the project dependencies.
-shell.exec(`cd ${appPath} && npm install --ignore-scripts`, {
+shell.exec(`cd "${appPath}" && npm install --ignore-scripts`, {
   silent
 });
 
 // Install the administration dependencies.
-shell.exec(`cd ${path.resolve(appPath, 'admin')} && npm install`, {
+shell.exec(`cd "${path.resolve(appPath, 'admin')}" && npm install`, {
   silent
 });
 
 if (isDevelopmentMode) {
-  shell.exec(`cd ${path.resolve(appPath, 'admin')} && npm link strapi-helper-plugin && npm link strapi-utils`, {
+  shell.exec(`cd "${path.resolve(appPath, 'admin')}" && npm link strapi-helper-plugin && npm link strapi-utils`, {
     silent
   });
 } else {
-  shell.exec(`cd ${path.resolve(appPath, 'admin', 'node_modules', 'strapi-helper-plugin')} && npm install`, {
+  shell.exec(`cd "${path.resolve(appPath, 'admin', 'node_modules', 'strapi-helper-plugin')}" && npm install`, {
     silent
   });
 }
 
 shell.echo('🏗  Building...');
 
-const build = shell.exec(`cd ${path.resolve(appPath, 'admin')} && APP_PATH=${appPath} npm run build`, {
+const build = shell.exec(`cd "${path.resolve(appPath, 'admin')}" && APP_PATH="${appPath}" npm run build`, {
   silent
 });
 
@@ -58,23 +58,23 @@ if (process.env.npm_config_plugins === 'true') {
   shell.ls('* -d', plugins).forEach(function (plugin) {
     shell.echo(`🔸  Plugin - ${_.upperFirst(plugin)}`);
     shell.echo('📦  Installing packages...');
-    shell.exec(`cd ${path.resolve(plugins, plugin)} && npm install`, {
+    shell.exec(`cd "${path.resolve(plugins, plugin)}" && npm install`, {
       silent
     });
 
     if (isDevelopmentMode) {
-      shell.exec(`cd ${path.resolve(plugins, plugin)} && npm link strapi-helper-plugin`, {
+      shell.exec(`cd "${path.resolve(plugins, plugin)}" && npm link strapi-helper-plugin`, {
         silent
       });
     } else {
-      shell.exec(`cd ${path.resolve(plugins, plugin, 'node_modules', 'strapi-helper-plugin')} && npm install`, {
+      shell.exec(`cd "${path.resolve(plugins, plugin, 'node_modules', 'strapi-helper-plugin')}" && npm install`, {
         silent
       });
     }
 
     shell.echo('🏗  Building...');
 
-    const build = shell.exec(`cd ${path.resolve(plugins, plugin)} && APP_PATH=${appPath} npm run build`, {
+    const build = shell.exec(`cd "${path.resolve(plugins, plugin)}" && APP_PATH="${appPath}" npm run build`, {
       silent
     });
 
diff --git a/packages/strapi-bookshelf/lib/utils/connectivity.js b/packages/strapi-bookshelf/lib/utils/connectivity.js
index 92f2b098dc..2924d88893 100644
--- a/packages/strapi-bookshelf/lib/utils/connectivity.js
+++ b/packages/strapi-bookshelf/lib/utils/connectivity.js
@@ -18,7 +18,7 @@ module.exports = (scope, success, error) => {
   knex.raw('select 1+1 as result').then(() => {
     logger.info('The app has been connected to the database successfully');
     knex.destroy();
-    execSync(`rm -r ${scope.tmpPath}`);
+    execSync(`rm -r "${scope.tmpPath}"`);
 
     logger.info('Copying the dashboard...');
 
diff --git a/packages/strapi-generate-api/templates/bookshelf/model.template b/packages/strapi-generate-api/templates/bookshelf/model.template
index 474aeecc5a..6a197959cd 100755
--- a/packages/strapi-generate-api/templates/bookshelf/model.template
+++ b/packages/strapi-generate-api/templates/bookshelf/model.template
@@ -5,64 +5,43 @@
  */
 
 module.exports = {
-
   // Before saving a value.
   // Fired before an `insert` or `update` query.
-  // beforeSave: function (model, attrs, options) {
-  //   return new Promise();
-  // },
+  // beforeSave: async (model, attrs, options) => {},
 
   // After saving a value.
   // Fired after an `insert` or `update` query.
-  // afterSave: function (model, response, options) {
-  //   return new Promise();
-  // },
+  // afterSave: async (model, response, options) => {},
 
   // Before fetching a value.
   // Fired before a `fetch` operation.
-  // beforeFetch: function (model, columns, options) {
-  //   return new Promise();
-  // },
+  // beforeFetch: async (model, columns, options) => {},
 
   // After fetching a value.
   // Fired after a `fetch` operation.
-  // afterFetch: function (model, response, options) {
-  //   return new Promise();
-  // },
+  // afterFetch: async (model, response, options) => {},
 
   // Before creating a value.
-  // Fired before `insert` query.
-  // beforeCreate: function (model, attrs, options) {
-  //   return new Promise();
-  // },
+  // Fired before an `insert` query.
+  // beforeCreate: async (model, attrs, options) => {},
 
   // After creating a value.
-  // Fired after `insert` query.
-  // afterCreate: function (model, attrs, options) {
-  //   return new Promise();
-  // },
+  // Fired after an `insert` query.
+  // afterCreate: async (model, attrs, options) => {},
 
   // Before updating a value.
   // Fired before an `update` query.
-  // beforeUpdate: function (model, attrs, options) {
-  //   return new Promise();
-  // },
+  // beforeUpdate: async (model, attrs, options) => {},
 
   // After updating a value.
   // Fired after an `update` query.
-  // afterUpdate: function (model, attrs, options) {
-  //   return new Promise();
-  // },
+  // afterUpdate: async (model, attrs, options) => {},
 
   // Before destroying a value.
   // Fired before a `delete` query.
-  // beforeDestroy: function (model, attrs, options) {
-  //   return new Promise();
-  // },
+  // beforeDestroy: async (model, attrs, options) => {},
 
   // After destroying a value.
   // Fired after a `delete` query.
-  // afterDestroy: function (model, attrs, options) {
-  //   return new Promise();
-  // }
+  // afterDestroy: async (model, attrs, options) => {}
 };
diff --git a/packages/strapi-generate-api/templates/mongoose/model.template b/packages/strapi-generate-api/templates/mongoose/model.template
index 45c38e2375..300dc5a200 100755
--- a/packages/strapi-generate-api/templates/mongoose/model.template
+++ b/packages/strapi-generate-api/templates/mongoose/model.template
@@ -29,11 +29,11 @@ module.exports = {
   // afterFetch: async (model, result) => {},
 
   // Before creating a value.
-  // Fired before `insert` query.
+  // Fired before an `insert` query.
   // beforeCreate: async (model) => {},
 
   // After creating a value.
-  // Fired after `insert` query.
+  // Fired after an `insert` query.
   // afterCreate: async (model, result) => {},
 
   // Before updating a value.
diff --git a/packages/strapi-mongoose/lib/utils/connectivity.js b/packages/strapi-mongoose/lib/utils/connectivity.js
index 11d92560cf..76fe1c9261 100644
--- a/packages/strapi-mongoose/lib/utils/connectivity.js
+++ b/packages/strapi-mongoose/lib/utils/connectivity.js
@@ -32,7 +32,7 @@ module.exports = (scope, success, error) => {
 
     Mongoose.connection.close();
 
-    execSync(`rm -r ${scope.tmpPath}`);
+    execSync(`rm -r "${scope.tmpPath}"`);
 
     logger.info('Copying the dashboard...');
 
diff --git a/packages/strapi-mongoose/lib/utils/index.js b/packages/strapi-mongoose/lib/utils/index.js
index a915585f3d..38c4e0f001 100755
--- a/packages/strapi-mongoose/lib/utils/index.js
+++ b/packages/strapi-mongoose/lib/utils/index.js
@@ -19,32 +19,33 @@ module.exports = mongoose => {
   return {
     convertType: mongooseType => {
       switch (mongooseType.toLowerCase()) {
-        case 'string':
-        case 'password':
-        case 'text':
-        case 'email':
-          return 'String';
-        case 'integer':
-        case 'biginteger':
-          return 'Number';
-        case 'float':
-        case 'decimal':
-          return 'Float';
-        case 'date':
-        case 'time':
-        case 'datetime':
-        case 'timestamp':
-          return Date;
+        case 'array':
+          return 'Array';
         case 'boolean':
           return 'Boolean';
         case 'binary':
           return 'Buffer';
-        case 'uuid':
-          return 'ObjectId';
-        case 'enumeration':
-          return 'String';
+        case 'date':
+        case 'datetime':
+        case 'time':
+        case 'timestamp':
+          return Date;
+        case 'decimal':
+        case 'float':
+          return 'Float';
         case 'json':
           return 'Mixed';
+        case 'biginteger':
+        case 'integer':
+          return 'Number';
+        case 'uuid':
+          return 'ObjectId';
+        case 'email':
+        case 'enumeration':
+        case 'password':
+        case 'string':
+        case 'text':
+          return 'String';
         default:
 
       }
diff --git a/packages/strapi-redis/lib/utils/connectivity.js b/packages/strapi-redis/lib/utils/connectivity.js
index 8480390dd3..98f8f9bad5 100644
--- a/packages/strapi-redis/lib/utils/connectivity.js
+++ b/packages/strapi-redis/lib/utils/connectivity.js
@@ -26,7 +26,7 @@ module.exports = (scope, success, error) => {
 
     logger.info('The app has been connected to the database successfully!');
 
-    execSync(`rm -r ${scope.tmpPath}`);
+    execSync(`rm -r "${scope.tmpPath}"`);
 
     logger.info('Copying the dashboard...');
 
diff --git a/packages/strapi/lib/Strapi.js b/packages/strapi/lib/Strapi.js
index 4af4f114bb..dac47087b0 100755
--- a/packages/strapi/lib/Strapi.js
+++ b/packages/strapi/lib/Strapi.js
@@ -87,6 +87,9 @@ class Strapi extends EventEmitter {
     try {
       this.config = assign(this.config, config)
 
+      // Emit starting event.
+      this.emit('server:starting');
+
       // Enhance app.
       await this.enhancer();
       // Load the app.
@@ -100,7 +103,9 @@ class Strapi extends EventEmitter {
       // Launch server.
       this.server.listen(this.config.port, err => {
         if (err) {
-          console.log(err);
+          this.log.debug(`Server wasn't able to start properly.`);
+          console.error(err);
+          return this.stop();
         }
 
         this.log.info('Server started in ' + this.config.appPath);
@@ -112,14 +117,16 @@ class Strapi extends EventEmitter {
         this.log.debug(`Version: ${this.config.info.strapi} (node v${this.config.info.node})`);
         this.log.info('To shut down your server, press <CTRL> + C at any time');
 
+        // Emit started event.
+        this.emit('server:started');
+
         if (cb && typeof cb === 'function') {
           cb();
         }
       });
-    } catch (e) {
+    } catch (err) {
       this.log.debug(`Server wasn't able to start properly.`);
-      this.log.error(e);
-      console.error(e);
+      console.error(err);
       this.stop();
     }
   }
@@ -136,6 +143,17 @@ class Strapi extends EventEmitter {
       });
     });
 
+    this.server.on('error', err => {
+      if (err.code === 'EADDRINUSE') {
+        this.log.debug(`Server wasn't able to start properly.`);
+        this.log.error(`The port ${err.port} is already used by another application.`);
+        this.stop();
+        return;
+      }
+
+      console.error(err);
+    });
+
     this.server.destroy = cb => {
       this.server.close(cb);
 
diff --git a/packages/strapi/lib/core/hooks.js b/packages/strapi/lib/core/hooks.js
index ac1a4a79c7..847ac72b64 100755
--- a/packages/strapi/lib/core/hooks.js
+++ b/packages/strapi/lib/core/hooks.js
@@ -91,6 +91,12 @@ const mountHooks = function (files, cwd) {
 
         });
       }),
-      resolve
+      (err, results) => {
+        if (err) {
+          return reject(err);
+        }
+
+        resolve();
+      }
     );
 };
diff --git a/packages/strapi/lib/utils/index.js b/packages/strapi/lib/utils/index.js
index 51aec60ed2..1be9480652 100755
--- a/packages/strapi/lib/utils/index.js
+++ b/packages/strapi/lib/utils/index.js
@@ -14,16 +14,10 @@ const exposer = require('./exposer');
 
 module.exports = {
   loadFile: function(url) {
-    try {
-      // Clear cache.
-      delete require.cache[require.resolve(path.resolve(this.config.appPath, url))];
-      // Require without cache.
-      return require(path.resolve(this.config.appPath, url));
-    } catch (e) {
-      this.log.error(e);
-
-      return {};
-    }
+    // Clear cache.
+    delete require.cache[require.resolve(path.resolve(this.config.appPath, url))];
+    // Require without cache.
+    return require(path.resolve(this.config.appPath, url));
   },
 
   setConfig: function(ctx, path, type, loader) {
@@ -123,11 +117,12 @@ module.exports = {
     try {
       if (this.config.uuid) {
         const publicKey = fs.readFileSync(path.resolve(__dirname, 'resources', 'key.pub'));
+        const options = { timeout: 1000 };
 
         const [usage, signedHash, required] = await Promise.all([
-          fetch('https://strapi.io/assets/images/usage.gif'),
-          fetch('https://strapi.io/hash.txt'),
-          fetch('https://strapi.io/required.txt')
+          fetch('https://strapi.io/assets/images/usage.gif', options),
+          fetch('https://strapi.io/hash.txt', options),
+          fetch('https://strapi.io/required.txt', options)
         ]);
 
         if (usage.status === 200 && signedHash.status === 200) {