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
(cherry picked from commit 0a4e3d0f82a5bf9d6090b3663b143a689bd52d9e)

diff --git a/doc/userguide/install.rst b/doc/userguide/install.rst
index cda764e289bafb5add0a1f26480af45ea0b814da..d2f7c19b6f1ee1c8f73f09bb228db21cac2a6879 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