Use the Wordpress Automatic Upgrade Plugin
The WordPress Automatic Upgrade Plugin found at Techie Buzz is an efficient way of backing up both the database and the site files. During the very fast upgrade, the plugin will put the blog in maintenance mode along with disabling and then re-enabling the other plugins. Upgrading Wordpress to a new version does not need to occur very often but it is important to do so to use the lastest security updates. Backing up the database and site files and storing them separate from the host should be done more regularly.

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