diff --git a/README.md b/README.md
index 22dfcda..d693fdb 100644
--- a/README.md
+++ b/README.md
@@ -204,6 +204,7 @@ smart people at [Hashrocket](http://hashrocket.com/).
 - [Find Newer Files](unix/find-newer-files.md)
 - [Global Substitution On The Previous Command](unix/global-substitution-on-the-previous-command.md)
 - [Hexdump A Compiled File](unix/hexdump-a-compiled-file.md)
+- [Kill Everything Running On A Certain Port](unix/kill-everything-running-on-a-certain-port.md)
 - [Killing A Frozen SSH Session](unix/killing-a-frozen-ssh-session.md)
 - [List All The Say Voices](unix/list-all-the-say-voices.md)
 - [Only Show The Matches](unix/only-show-the-matches.md)
diff --git a/unix/kill-everything-running-on-a-certain-port.md b/unix/kill-everything-running-on-a-certain-port.md
new file mode 100644
index 0000000..e3a41df
--- /dev/null
+++ b/unix/kill-everything-running-on-a-certain-port.md
@@ -0,0 +1,12 @@
+# Kill Everything Running On A Certain Port
+
+You can quickly kill everything running on a certain port with the following
+command.
+
+```bash
+sudo kill `sudo lsof -t -i:3000`
+```
+
+This gets a list of pids for all the processes and then kills them.
+
+[source](http://stackoverflow.com/questions/9346211/how-to-kill-a-process-on-a-port-on-ubuntu)