diff --git a/bloghub.html b/bloghub.html
index 11d3438..364f891 100644
--- a/bloghub.html
+++ b/bloghub.html
@@ -77,7 +77,22 @@ <h4>My Very Own Custom Blog System</h4>
                                         </div>
                                     </div>
                                 </div>
-                            </a> 
+                            </a>
+                            <a href="blog.html?file=closePorts">
+                                <div class="blog" data-category="OPERATING SYSTEMS">
+                                    <div class="blogThumbnail">
+                                        <img src="blogs/images/closePorts/premidPortError.png">
+                                    </div>
+                                    <div class="blogDetails">
+                                        <div>
+                                            <h4>Identify which process is using a specific port</h4>
+                                        </div>
+                                        <div>
+                                            <p>a brief tutorial on how to know the process id of a specific process using a particular port</p>
+                                        </div>
+                                    </div>
+                                </div>
+                            </a>
                             
                             
                         </div>
@@ -87,4 +102,4 @@ <h4>My Very Own Custom Blog System</h4>
             </div>
         </div>
     </body>
-</html>
\ No newline at end of file
+</html>