diff --git a/0readme_ethernet.txt b/0readme_ethernet.txt
index 225f5be0..fa1ea8b3 100644
--- a/0readme_ethernet.txt
+++ b/0readme_ethernet.txt
@@ -51,6 +51,8 @@ The following steps were performed to get a working SIMH vax simulator
 sharing a physical NIC and allowing Host<->SIMH vax communications:
 
 Linux (Ubuntu 10.04):
+    apt-get install make
+    apt-get install libpcap-dev
     apt-get install bridge-utils
     apt-get install uml-utilities