Step 1: Login to your cPanel account that hosted under Oryon server.
Step 2: Select the ‘File Manager’ option under ‘Files’ section of cPanel.
Step 3: Navigate to document root folder the Wordpress installation and locate the .htaccess file.
Step 4: Add the following codes into .htaccess to enable the mod_rewrite for Wordpress permalinks .
+++
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress
+++
Step 5: Now click on ‘Save changes’ option to save the changes that you made.