Transfer your TYPO3 instance into maintenance mode with one click :)
TYPO3 offers the opportunity to switch your while installation into maintenance mode. In this time it is possible to do bigger update operations without user interactions. The responding settings are "DevIpMask", "pageUnavailable_handling", "pageUnavailable_handling_statheader" and "adminOnly". To enable it you must change some settings via Install Tool.
With EXT:maintenance you activate it easy with one click!
You will find the documentation and more information (e.g. articles) in the Wiki.Useful links: