Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/upstream/debian-unstable/man7/uts_namespaces.7 b/upstream/debian-unstable/man7/uts_namespaces.7
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+.\" Copyright (c) 2019 by Michael Kerrisk <mtk.manpages@gmail.com>
+.\"
+.\" SPDX-License-Identifier: Linux-man-pages-copyleft
+.\"
+.\"
+.TH uts_namespaces 7 2022-12-04 "Linux man-pages 6.05.01"
+.SH NAME
+uts_namespaces \- overview of Linux UTS namespaces
+.SH DESCRIPTION
+UTS namespaces provide isolation of two system identifiers:
+the hostname and the NIS domain name.
+These identifiers are set using
+.BR sethostname (2)
+and
+.BR setdomainname (2),
+and can be retrieved using
+.BR uname (2),
+.BR gethostname (2),
+and
+.BR getdomainname (2).
+Changes made to these identifiers are visible to all other
+processes in the same UTS namespace,
+but are not visible to processes in other UTS namespaces.
+.PP
+When a process creates a new UTS namespace using
+.BR clone (2)
+or
+.BR unshare (2)
+with the
+.B CLONE_NEWUTS
+flag, the hostname and domain name 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.
+.SH SEE ALSO
+.BR nsenter (1),
+.BR unshare (1),
+.BR clone (2),
+.BR getdomainname (2),
+.BR gethostname (2),
+.BR setns (2),
+.BR uname (2),
+.BR unshare (2),
+.BR namespaces (7)