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How to use the hosts file?

How to use the hosts file?

The hosts file is used to map hostnames (in other words domains) to IP addresses. Using a hosts file, you can change the IP address that you resolve a given domain name to. This change only affects your own computer without affecting how the domain is resolved worldwide. This is particularly useful when you want to test whether a transfer from another host is successful prior pointing your domain to the new server.

Both the IP of your website and your SiteGround name servers are available in your Client Area > Websites > All Site Options > go to the kebab menu > Server Details. Alternatively, you can also see this information in the Dashboard of your Site Tools > Site Information section.

The location of the hosts file, depending on the operating system that you are using, is:

  • WindowsSystemRoot > system32 > drivers > etc > hosts
    By default, the system root is C:Windows, so if you are using Windows, your hosts file is most probably: C:\Windows\System32\drivers\etc\hosts
  • Linux/etc/hosts
  • Mac OS X – /private/etc/hosts

Let’s say that you wish to resolve yourdomain.com to the IP address In this case, you would need to open up the hosts file with a text editor and append the following line: yourdomain.com www.yourdomain.com

(Note: Make sure that you don’t have any # signs in front of the IP address as they will deactivate this entry)

This will “tell” your computer to resolve yourdomain.com to Once you do that you may need to clear your web browser’s cache, afterward, if you try to reach your domain http://yourdomain.com in a browser it should take you to the site hosted on the server with IP

More detailed instructions on how to locate and edit the hosts file on different operating systems are available below:

Windows 8 and 10

  • Press the Windows key (previously Start menu);
  • Use the Search option and search for Notepad;
  • Right-click Notepad and select Run as administrator;
  • From Notepad, open the hosts file at: C:\Windows\System32\drivers\etc\hosts;
  • Add the line and save your changes.

In case Notepad does not show any files in the etc folder, switch the type of file from “Text Documents” to “All Files”.


  • Open up the Terminal;
  • Use the nano command line text editor or a different one you have available to open up the hosts file. The command with nano is as follows (the command will require your Linux user’s password):
    sudo nano /etc/hosts
  • Add the appropriate changes in the hosts file;
  • Use the Control and X key combination to save the changes.

Mac OS X 10.6 through 10.12

You should be logged in with a user with administrator privileges on your MAC.

  • Open Applications > Utilities > Terminal;
  • Edit the hosts file with a command line text editor such as nano by typing the following line in the terminal (the command will require your Mac user’s password):
    sudo nano /private/etc/hosts
  • Add your changes at the bottom of the file;
  • Save  the changes with the Control & X key combination, followed up by Y and then Enter.

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