diff --git a/emacs/init.org b/emacs/init.org
index 33d0f26..b5187aa 100755
--- a/emacs/init.org
+++ b/emacs/init.org
@@ -309,6 +309,14 @@ The same function but for commands that need to run in a shell:
 	 (buffer-substring-no-properties (point-min) (point-max))))))
 #+END_SRC
 
+Running a shell command as sudo:
+#+BEGIN_SRC emacs-lisp
+  (defun sudo-shell-command (command)
+    (with-temp-buffer
+      (cd "/sudo::/")
+      (shell-command command)))
+#+END_SRC
+
 * Customization File
 I don't want anything to write to my init.el, so save customizations in a separate file:
 #+BEGIN_SRC emacs-lisp
@@ -2857,6 +2865,12 @@ The aws-mfa command:
 
   (leader-def-key "ao" #'op-copy-password)
 #+END_SRC
+** Resetting DNSResponder
+#+BEGIN_SRC emacs-lisp
+  (defun reset-dnsresponsder ()
+    (interactive)
+    (sudo-shell-command "killall -HUP mDNSResponder"))
+#+END_SRC
 * StumpWM
 A handy keybinding to connect to the StumpWM SBCL process via SLIME:
 #+BEGIN_SRC emacs-lisp