If you’ve created a post and it shows up as “uncategorized,” here’s what’s happened and what to do about it.
WordPress
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
You have WP 2.7 if your admin screen looks like this:
Reduce the size of an image slightly
If you need to reduce the size of an existing image in your posts or pages only a very small amount, you can easily do it through the text editor, like this:
UPDATE: Mark pointed out that the proportional dragging feature that I show here does not work in Internet Explorer 8 (and earlier versions as [...]
You have WP 2.7 if your admin screen looks like this:
Updating your version of WordPress
Like any software, WordPress is constantly being improved and updated. With WordPress 2.7, the process of updating has been greatly eased.
You have WP 2.7 if your admin screen looks like this:
Hiding comments on all posts or pages
If you don’t want to have the comments box available on any of your posts or pages, you can easily do that with one click in the admin Settings area. Here’s how:
You have WP 2.7 if your admin screen looks like this:
Error message of -1 while in Quick Edit mode
Sometimes while working in Quick Edit, you’ll get a small red warning message “-1″. This is what’s going on.
You have WP 2.7 if your admin screen looks like this:
Previewing posts or pages
If you’re creating a new post or page, or you’re making changes to existing ones, it’s useful to see what it’s going to look like before making them live. Here’s how to get a preview.
You have WP 2.7 if your admin screen looks like this:
View the most-used categories
If you’ve got a lot of post or link categories, there’s a hand way to view the most-used categories first, saving you a lot of repetitive scrolling and searching.
You have WP 2.7 if your admin screen looks like this:
Custom fields – overview
Custom fields are used by many plugins, but you can create your own as well. Here’s an overview of how to do that and a couple of examples of ways to use them. Creating your own generally requires modification of your theme files, so be warned, there’s some coding involved.
You have WP 2.7 if your admin screen looks like this:
Adding existing or new custom fields to posts or pages
Here are the steps for adding an existing custom field or creating a new custom field, for either posts or pages.
You have WP 2.6 if your admin screen looks like this:
Adjusting the size of the text editor
The default size of the box for entering and editing the text of posts and pages is fairly small. There are a couple of ways to give yourself more writing area.
You have WP 2.7 if your admin screen looks like this:
Restoring an image to its original size
Having made a change to the size of an image using WordPress, how do you undo that and restore the image to its original size? Here’s how:
You have WP 2.7 if your admin screen looks like this:
Reduce the size of an image by a lot
If you’ve uploaded an image into a post or a page and you want to reduce it in size quite a bit, then here are your options.
You have WP 2.7 if your admin screen looks like this:
Click to enlarge images
If you want visitors to view a large image within your posts or pages, then here’s how to set up your thumbnails.
You have WP 2.7 if your admin screen looks like this:
Hiding comments on individual posts or pages
By default, WordPress displays the comments box on all posts or pages. Here’s how to turn off the comments box for indiviual posts or pages.
You have WP 2.7 if your admin screen looks like this:
Passworded posts or pages remain visible
After viewing a password-protected post or page, you’ll find that the page is still visible several days later. Don’t worry, the post or page is still passworded for everyone else. And here’s a way to get rid of that cookie easily.
You have WP 2.7 if your admin screen looks like this:
Setting the publish status of posts or pages
This video looks at the two ways to change the publish status of posts or pages, as well as talking about the three levels of publish status and what they mean.
You have WP 2.7 if your admin screen looks like this:
The hierarchy of post categories
Post categories in WordPress can have sub-categories, which in turn can have their own sub-categories, and so on. This hierarchical relationship has many uses – it also means that you don’t have to check off parent categories, because all children, grand-children, etc. are automatically included in the parent.
You have WP 2.7 if your admin screen looks like this:
Adjusting the size of the text editor
The default size of the text editor in WordPress is fairly small. If you’d like more real estate for your writing, there are a couple of ways to do it – one temporary, the other remains in effect until you change it again.
NOTE: This applies only to the VISUAL mode of the text editor – [...]
You have WP 2.7 if your admin screen looks like this:
Adding categories to existing posts
If you want to add more categories to an existing post, there are a couple of ways you can do it.
You have WP 2.7 if your admin screen looks like this:
Passwording pages or posts
You can password particular pages or posts. They’ll show on your blog/website but with a notice saying “Passworded” and a form to submit the password. Once you enter the password, you see the content. Here’s how to do the passwording.
