Enabling Apache User Directories and Renaming user user directories as follows.
Create a folder in your directory and name it whatever you like to name it. For example lets say folder name is web.
Edit the userdir.conf file:
sudo gedit /etc/apache2/mods-enabled/userdir.conf
rename the public_html as web
Modified userdir.conf file content would be as below:
UserDir disabled root
AllowOverride FileInfo AuthConfig Limit Indexes
Options MultiViews Indexes SymLinksIfOwnerMatch IncludesNoExec
<Limit GET POST OPTIONS>
Allow from all
<LimitExcept GET POST OPTIONS>
Deny from all
sudo /etc/init.d/apache2 restart
Have fun with your own folder name instead of public_html.