From 11e5ab4d798cd7da72ecfcadf915c3f35717d6fc Mon Sep 17 00:00:00 2001
From: Eliot Berriot <contact@eliotberriot.com>
Date: Fri, 5 Oct 2018 18:33:05 +0200
Subject: [PATCH] Fix #380: Document that server clock needs to be synced via
 NTP to avoid federation issues

---
 changes/changelog.d/380.documentation | 1 +
 docs/installation/index.rst           | 6 ++++++
 2 files changed, 7 insertions(+)
 create mode 100644 changes/changelog.d/380.documentation

diff --git a/changes/changelog.d/380.documentation b/changes/changelog.d/380.documentation
new file mode 100644
index 00000000..b1a717c3
--- /dev/null
+++ b/changes/changelog.d/380.documentation
@@ -0,0 +1 @@
+Document that server clock needs to be synced via NTP to avoid federation issues (#380)
diff --git a/docs/installation/index.rst b/docs/installation/index.rst
index 20198531..61403736 100644
--- a/docs/installation/index.rst
+++ b/docs/installation/index.rst
@@ -11,6 +11,12 @@ The project relies on the following components and services to work:
 - A redis server to store cache and tasks data
 - A celery worker to run asynchronouse tasks (such as music import)
 - A celery scheduler to run recurrent tasks
+- A `ntp-synced clock <https://wiki.debian.org/NTP>`_ to ensure federation is working seamlessly
+
+.. note::
+
+    The synced clock is needed for federation purpose, to assess
+    the validity of incoming requests.
 
 
 Hardware requirements
-- 
GitLab