Update setup-notes.md

1Copenut · Sep 28, 2024 · 13c3f70 · 13c3f70
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diff --git a/docs/distros/debian/setup-notes.md b/docs/distros/debian/setup-notes.md
@@ -3,3 +3,12 @@ I like Debian. Maybe server-only. Maybe a daily driver. Maybe just a VM.
 
 ## Setup and Hardening
 - [Set up and auto-mount Ethernet cards](https://www.youtube.com/watch?v=X1HyrSzmtKA)
+
+### DHCP
+* Release DHCP lease. Helpful when moving from dynamic to static IP
+  ```shell
+  # Use the MAC address to target this NIC in static IP
+  # assignment, then release and renew the dhclient
+  sudo dhclient -r # releases current DHCP lease
+  sudo dhclient # re-enables dhclient with new lease
+  ```