From 8e94cb624b601c250a246fca7c9e7b9548a325f0 Mon Sep 17 00:00:00 2001
From: Konstantin Gribov <grossws@gmail.com>
Date: Wed, 25 Feb 2015 20:46:19 +0300
Subject: [PATCH] Added note about GNU netcat

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 42a923a..e49cf11 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,8 @@ $ echo -e "GET /images/json?all=1 HTTP/1.0\r\n" | nc -U /var/run/docker.sock | t
 $ echo -e "GET /containers/json?all=1 HTTP/1.0\r\n" | nc -U /var/run/docker.sock | tail -n +5 | dockviz containers --dot | dot -Tpng -o containers.png
 ```
 
+GNU netcat doesn't support `-U` (UNIX socket) flag, so OpenBSD variant can be used.
+
 ## Direct from Docker
 
 Someday soon the Docker command line will allow dumping the image and container JSON directly.