WordPress blog by default gives the permalinks for any post as “www.blogname.com/?Post=311”
If you wish to change the same to some what more attractive as “www.blogname.com/my_post_on_blog/” then it can be changed at the dashboard provided by the wordpress blog.
Steps to change the Permalinks & update them :
1.Open your dashboard of blog at http://www.yourblog.com/wp-admin/index.php using your credentials.
2.Navigate to settings on Left side Pane woth all options you can perform on your blog.
3.change the permalinks to the way you wish your posts to appear.
4.Now you have to update your .htaccess fiel which resides in your blog’s root directory.
5.If it isnot present creat a .htaccess file and save it with the text
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /wpblog/
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /wpblog/index.php [L]
</IfModule>
6.Now save the .htaccess file
7.You’re done,Your blog permalinks have been changed.