Answers for "how to redirect wordpress site to another url"

wp_redirect to home page

function redirect_to_home() {
  if(!is_admin() && is_page('2')) {
    wp_redirect(home_url());
    exit();
  }
}
add_action('template_redirect', 'redirect_to_home');

inner pages redirecting to the https wordpress

My issue was resolved by checking the log file of the website and found the 
.htaccess permission was '640' and updated to the '755' and worked like charm!

Permission denied: [client IP:57563] AH00529: 
/var/www/html/WEB_FOLDER/public_html/wp-content/uploads/.htaccess 
pcfg_openfile: unable to check htaccess file, ensure it is readable and that 
'/var/www/html/WEB_FOLDER/public_html/wp-content/uploads/' is executable