Amp with pipe do not work #1976

1 files changed, 21 insertions, 1 deletions

diff --git a/docs/aoa/amps.rst b/docs/aoa/amps.rst
index 5de564ab..f6ead33b 100644
--- a/docs/aoa/amps.rst
+++ b/docs/aoa/amps.rst
@@ -50,7 +50,7 @@ less than countmin):
 .. image:: ../_static/amp-python-warning.png
 
 If the regex option is not defined, the AMP will be executed every refresh
-time and the process count will not be displayed (countmin and countmax will 
+time and the process count will not be displayed (countmin and countmax will
 be ignored).
 
 For example:
@@ -63,6 +63,26 @@ For example:
     one_line=false
     command=sysctl net.netfilter.nf_conntrack_count;sysctl net.netfilter.nf_conntrack_max
 
+For security reason, pipe is not directly allowed in a AMP command but you create a sheel
+script with your command:
+
+.. code-block:: ini
+
+    $ cat /usr/local/bin/mycommand.sh
+    #!/bin/sh
+    ps -aux | wc -l
+
+and use it in the amps:
+
+.. code-block:: ini
+
+    [amp_amptest]
+    enable=true
+    regex=.*
+    refresh=15
+    one_line=false
+    command=/usr/local/bin/mycommand.sh
+
 User defined AMP
 ----------------