Is there any easy ways to batch rename files in Linux? A common requirement is that the web developers may ask you to help rename all *.html files to *.htm, how can we do that?

Suppose you made a mistake on the Vserver name when creating it. After finished the installation, you might want to rename your Vserver. This can be accomplished by renaming the config directory and the root for the vserver in question, then modifying some symlinks to match.