From ae4452ab988c6bd69251c7302582cec255b5a884 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sat, 20 Jul 2019 23:50:50 +0200
Subject: [PATCH] namespaces.7: Note initial values of hostname and domainname
 in a new UTS namespace

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man7/namespaces.7 | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/man7/namespaces.7 b/man7/namespaces.7
index 46264ef7d..ffc168493 100644
--- a/man7/namespaces.7
+++ b/man7/namespaces.7
@@ -418,6 +418,16 @@ and can be retrieved using
 and
 .BR getdomainname (2).
 .PP
+.PP
+When a process creates a new UTS namespace using
+.BR clone (2)
+or
+.BR unshare (2)
+with the
+.BR CLONE_NEWUTS
+flag, the hostname and domain of the new UTS namespace are copied
+from the corresponding values in the caller's UTS namespace.
+.PP
 Use of UTS namespaces requires a kernel that is configured with the
 .B CONFIG_UTS_NS
 option.