diff --git a/ChangeLog b/ChangeLog
index f0cf1f93..fbe7a1d5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -23122,3 +23122,5 @@
 2022-05-20 Fred Gleason <fredg@paravelsystems.com>
 	* Updated the 'Interfacing with the Linux Ecosystem: Command-Line
 	Utilities' chapter of the Operations Guide.
+2022-05-20 Fred Gleason <fredg@paravelsystems.com>
+	* Added the 'xlink' namespace to all chapters of the Operations Guide.
diff --git a/docs/opsguide/rdairplay.xml b/docs/opsguide/rdairplay.xml
index 087665c3..014e3faa 100644
--- a/docs/opsguide/rdairplay.xml
+++ b/docs/opsguide/rdairplay.xml
@@ -1,4 +1,4 @@
-<chapter xmlns="http://docbook.org/ns/docbook" xml:id="chapter.rdairplay">
+<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="chapter.rdairplay">
   <title>Running Logs with RDAirPlay</title>
  <sect1 xml:id="sect.rdairplay.overview">
    <title>Overview</title>
diff --git a/docs/opsguide/rdlogedit.xml b/docs/opsguide/rdlogedit.xml
index 47ca421d..01c2d9cb 100644
--- a/docs/opsguide/rdlogedit.xml
+++ b/docs/opsguide/rdlogedit.xml
@@ -1,4 +1,4 @@
-<chapter xmlns="http://docbook.org/ns/docbook" xml:id="chapter.rdlogedit">
+<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="chapter.rdlogedit">
   <title>Generating and Maintaining Logs with RDLogEdit</title>
   <sect1 xml:id="sect.rdlogedit.logs_and_log_events">
     <title>Logs and Log Events</title>
diff --git a/docs/opsguide/rdlogin.xml b/docs/opsguide/rdlogin.xml
index 4a8bb001..09fd88d2 100644
--- a/docs/opsguide/rdlogin.xml
+++ b/docs/opsguide/rdlogin.xml
@@ -1,4 +1,4 @@
-<chapter xmlns="http://docbook.org/ns/docbook" xml:id="chapter.rdlogin">
+<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="chapter.rdlogin">
   <title>Managing the Current User with RDLogin</title>
   <sect1 xml:id="sect.rdlogin.managing_the_current_user_with_rdlogin">
     <title>RDLogin</title>
diff --git a/docs/opsguide/utilities.xml b/docs/opsguide/utilities.xml
index 194b3bdc..95c6fd82 100644
--- a/docs/opsguide/utilities.xml
+++ b/docs/opsguide/utilities.xml
@@ -1,4 +1,4 @@
-<chapter xmlns="http://docbook.org/ns/docbook" xml:id="chapter.utilities">
+<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="chapter.utilities">
   <title>Interfacing with the Linux Ecosystem: Command-Line Utilities</title>
   <para>
     Rivendell includes a number of command-line utilities. Some of these