When you select postname in permalinks of wordpress admin page, it might not work sometimes.Following are the reasons.* If in the admin permalinks page itself if it shows some message saying "if you have given permissions to .htaccess we could have done this ourselves". Do the following1. Go to wordpress installation folder in ftp or if you are connected to your ssh, navigate to the folder2. Ensure that you that you have permissions 644 for .htaccess file and wp-config.php file (If you use filezilla, ......