Merge pull request #794 from vrms/vrms_enhance-README

adding a comment about choosing a custom frappe user name (other then…

README.md

@@ -81,7 +81,7 @@ Note: Please do not remove the bench directory the above commands will create
 	To install an app on your new site, use the bench `install-app` command.
 
 		bench --site site1.local install-app erpnext
-		
+
 * Start bench
 
 	To start using the bench, use the `bench start` command
@@ -118,9 +118,21 @@ For Linux:
 
 #### 2. Run the install script
 
-If you are on a fresh server and logged in as root, use --user flag to create a user and install using that user
+If you are on a fresh server and logged in as root, at first create a dedicated user for frappe
+& equip this user with sudo privileges
 
-	python install.py --develop --user frappe
+```
+  adduser [frappe-user]
+  usermod -aG sudo frappe
+```
+
+_(it is very common to name this user `frappe`, but this comes with the disadvantage of being 
+ranked very high in hackers circles for attempts to entering servers. So production sites it
+is highly recommended to use a custom username harder to guess for)_
+
+use --user flag to create a user and install using that user
+
+	python install.py --develop --user [frappe-user]
 
 For developer setup:
 
@@ -128,14 +140,14 @@ For developer setup:
 
 For production:
 
-	sudo python install.py --production --user frappe
+	sudo python install.py --production --user [frappe-user]
 
 #### What will this script do?
 
 - Install all the pre-requisites
 - Install the command line `bench`
 - Create a new bench (a folder that will contain your entire frappe/erpnext setup)
-- Create a new ERPNext site on the bench 
+- Create a new ERPNext site on the bench
 
 #### How do I start ERPNext