X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=docs%2Fdeveloper%2Fbuild-run-debug%2Frunning_vpp.rst;h=2c9725727daa44336b6585e0430e4cbc25478f16;hb=5f6422db9;hp=9b33e53ec608d63dc19c2ced2ff8e325cc4463c6;hpb=78f672bbc67a00fea3ca64a43c62f1d171bd043c;p=vpp.git

diff --git a/docs/developer/build-run-debug/running_vpp.rst b/docs/developer/build-run-debug/running_vpp.rst
index 9b33e53ec60..2c9725727da 100644
--- a/docs/developer/build-run-debug/running_vpp.rst
+++ b/docs/developer/build-run-debug/running_vpp.rst
@@ -33,6 +33,13 @@ _________________________
 
 With the following commands you can run VPP and then be dropped into the GDB prompt.
 
+Before running either command, please make sure that the 'gdb' package is installed.
+If it's not installed, run the following command first:
+
+.. code-block:: console
+
+   $ sudo apt install gdb
+
 Running the release image:
 
 .. code-block:: console
@@ -46,3 +53,4 @@ Running the debug image:
 
    # make debug
    (gdb)
+