You can add your domain name(s) to your hosts file (circumvent DNS)Â by doing the following for all local computers:
Note: please remember to remove the entry you added (and ONLY that entry; your computer may not work correctly if you remove all entries!) when you're done testing. This will avoid problems down the road if your account is migrated, assigned a dedicated IP, etc.
LINUX (I.E. UBUNTU)
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Open an xterm (or any other terminal emulator of your choice) 
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Type in: sudo nano /etc/hosts (or use any other editor of your choice, such as my personal favorite, vim (hit i to edit text in vim); just be sure to edit the file with root privileges) 
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Add a line containing xx.xx.xx.xx yourURL.com, where xx.xx.xx.xx is the appropriate IP address for the Greenix360 server, VPS, etc. (this will most likely be the main shared IP unless you have purchased a dedicated IP) and yourURL.com is your actual domain or subdomain hosted on that server (do not insert slashes, http://, or the like) 
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When done, save the document (use CTRL+X to save and exit, which you must confirm by hitting the y key in nano; vi(m) users would hit Esc then :wq) 
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You should now be able to visit yourURL.com in a web browser and be able to see the content you have hosted on our servers 
To remove the entry...
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Follow steps 1 and 2 above 
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Remove the entry you added (in nano, move the cursor down to the entry and hit CTRL+K to delete the line; in vi(m), move the cursor to the line and hit dd) 
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Save the document (see Step 3 above for instructions on how to do that) 
You're done!
WINDOWS
By default, if you try to modify your hosts file in Vista or Windows 7 it will not let you save it. It tells you that you don't have permission. To successfully modify the hosts file, run notepad.exe as an administrator and open the file.
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Browse to Start, then All Programs, then Accessories 
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Right-click Notepad, then select Run as Administrator 
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Click Continue on the UAC prompt 
 Note:Â this prompt will only appear if UAC is enabled.
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Click File, then Open 
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Browse to C:\\Windows\System32\Drivers\etc 
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Change the file filter dropdown box from Text Documents (*.txt)Â to All Files (*.*) 
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Select Hosts and then click Open 
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Add an entry like this: xxx.xxx.xxx.xxx yourURL.com (see Step 3 under the Linux instructions for details) 
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Save your host's file 
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Enter http://yourURL.com in the address bar of your web browser and press Enter Because the host's file will tell your computer to check a different IP address for your site, you can now preview your site as it is served from our server. 
To remove the entry...
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Follow steps 1-7 above 
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Delete the line you had added 
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Save the file 
MAC OS X
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Open a terminal by going to Applications, then Utilities, then Terminal 
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Type in:Â sudo su - 
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Press Enter 
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Type in: echo "xxx.xxx.xxx.xxx yourURL.com" >> /private/etc/hosts (see Step 3 under the Linux instructions for details) 
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Press Enter and you're done 
To remove the entry...
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Follow steps 1-3 above 
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Type in vi /private/etc/hosts 
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Press Enter 
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Use the cursor keys to position the cursor over the line you added above and type dd to delete the line 
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Type :wq to save your changes and exit 
