add missing line to get pid_networkless

rimelek · Feb 18, 2023 · a3c0657 · a3c0657
1 parent ae88528
commit a3c0657
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pages/advanced/kernel-namespaces-network.rst b/pages/advanced/kernel-namespaces-network.rst
@@ -667,6 +667,7 @@ localhost, you can access it from the web browser in the same network namespace.
 .. code:: bash
 
   docker run -d --name php-networkless --network none itsziget/phar-examples:1.0
+  pid_networkless=$(docker container inspect php --format '{{ .State.Pid }}')
   sudo nsenter --net=/proc/$pid_networkless/ns/net curl localhost
 
 Or sometimes you know that the frontend is safe to use, so you only want to test the backend.