From 025fa3e3a7c9942640fad834a76e2aad9bed7681 Mon Sep 17 00:00:00 2001
From: Benjamin Collet <ben@clt.tf>
Date: Sat, 7 Apr 2018 22:08:02 +0200
Subject: [PATCH] Readme update

---
 README.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/README.md b/README.md
index 137f185..690f11c 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,18 @@ On invocation of `ifup`:
     blank one will be created
   * if it does and the interface is configured the the script will invoke `ifup`
     for this interface inside the namespace.
+
+## `zsh` function to start a shell in a namespace
+```
+nss () {
+  if [ -z $1 ]; then
+    echo "Please specify a network namespace"
+    return
+  fi
+  unshare -m /bin/sh <<-EOF
+mount --make-rprivate /
+mount --bind /run/network.${1} /run/network
+ip netns exec ${1} zsh -i
+EOF
+}
+```