doc/userguide: ubuntu: install software-properties-common

This package likely needs to be installed when starting with an Ubuntu
container or other minimal Ubuntu install.

Ticket: #5616

diff --git a/doc/userguide/install.rst b/doc/userguide/install.rst
index 344ca051096f2d45bd62355a35c9b2883e7f527a..3dbce1affd0de8950947c46088cd30050684f744 100644 (file)
--- a/doc/userguide/install.rst
+++ b/doc/userguide/install.rst
@@ -122,6 +122,7 @@ For Ubuntu, the OISF maintains a PPA ``suricata-stable`` that always contains th
 
 To use it::
 
+    sudo apt-get install software-properties-common
     sudo add-apt-repository ppa:oisf/suricata-stable
     sudo apt-get update
     sudo apt-get install suricata