Installing plug-ins, which give WordPress added features, was always fairly straightforward, but with WordPress 2.7, it’s very easy. Everything is done for you automatically through the admin panel.
WordPress » WP Topics » Maintenance - WP
Currently we’re only covering installed versions of WordPress, but in future we’ll be adding tutorials on the hosted version at WordPress.com.
Videos are classified by WordPress 2.7 or 2.6 mostly because the admin screens look different, so if you don’t see a video on your topic, try looking in the other section or try the alphabetical listing.
KEY: 
You have WP 2.7 if your admin screen looks like this:
WordPress 2.7 
You have WP 2.6 if your admin screen looks like this:
WordPress 2.6 
Administrators Only 
Requires a Plug-in 
Recently Updated
Browser Issues
Backing up your files using an FTP program
Backing up your database is one thing, but you also need to backup your theme and the content files you’ve uploaded, like images, videos, and documents. A common way to do that is through a file transfer program (FTP). Here’s what you need to do once you’ve accessed your server with the FTP program.
You have WP 2.7 if your admin screen looks like this:
Backing up your database using the WP-DBManager plug-in
WordPress is run through a database and that’s also where all your posts, pages, categories etc. are stored. Backing up that database is made easier with a plugin, and WP-DBManager is a good one for that purpose (it also performs many other functions involving your database). You can download the plug-in here.
You have WP 2.7 if your admin screen looks like this:
Backing up posts and pages using the Export function
A full back-up of your WordPress installation takes a bit of work, but if you need a quick way to save at least your posts, pages, comments, categories, and tags, then the Export tool is the way to go.
