Step::1 Login to your cPanel and go to File Manager section
Step::2 Now go inside the root directory i.e public_html and find the Magento installation directory
Step::3 Find the “var” directory and create a new file inside it
Step::4 Name the file as “.maintenance.flag”
Step::5 Once the file is created, right click over the file and choose the Edit option
Step::6 In the editor section, add the code given below-
magento maintenance:enable-ip=163.112.98.13
[Note: Make sure you replace the ip with your actual <ip address>]
Step::7 Once you have added the above code click on Save Changes button and close the editor.
This code will enable maintenance mode in Magento.
If you want to disable the maintenance mode you can simply replace the “enable” keyword with “disable” in the code.
Congratulations, you have successfully enabled Maintenance mode in Magento !!!
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