The Admin Tools extension for Joomla! is quite a little powerhouse. It will tell you when you need to update your Joomla! core and then it will let you update it.
It also fixes your files and directories permissions, performs database maintenance and handles custom URL redirection. In addition it will create a secure .htaccess file and setup an advanced Web Application Firewall to prevent most common attacks against your site. It's another solid must-have solution from the maker of Akeeba Backup.
Here is a roundup of the features:
• Joomla! Updates
• Permissions Fixing
• Database Maintenance
And with the Pro version you receive additionally:
• URL Redirection
• .htaccess Maker
• Web Application Firewall