This short guide will help you to find out how to manage Maintenance mode in Magento 2.x themes.
➤ There are 2 easy ways to enable Maintenance mode, the first one includes an SSH command (run the command in your root directory).
First, connect to your server via SSH and navigate to your Magento root installation folder.
Now, run the following command to enable simple maintenance mode:
After the command is executed, the mode will be set.
However, if you want to allow access via specific IPs, you can run the following command instead:
To grant access to several IPs, just use the option multiple times:
Alternatively, you can just create .maintenance.flag file in the “var” folder.
It will put your store under the maintenance mode too.
Feel free to check the Magento 2 guidance book for more information.