svn commit: r315560 - head/sbin/reboot
Edward Tomasz Napierala
trasz at FreeBSD.org
Sun Mar 19 15:49:53 UTC 2017
Author: trasz
Date: Sun Mar 19 15:49:51 2017
New Revision: 315560
URL: https://svnweb.freebsd.org/changeset/base/315560
Log:
Document how to use reroot with NFS.
MFC after: 2 weeks
Sponsored by: DARPA, AFRL
Modified:
head/sbin/reboot/reboot.8
Modified: head/sbin/reboot/reboot.8
==============================================================================
--- head/sbin/reboot/reboot.8 Sun Mar 19 15:48:41 2017 (r315559)
+++ head/sbin/reboot/reboot.8 Sun Mar 19 15:49:51 2017 (r315560)
@@ -28,7 +28,7 @@
.\" @(#)reboot.8 8.1 (Berkeley) 6/9/93
.\" $FreeBSD$
.\"
-.Dd September 10, 2016
+.Dd March 19, 2017
.Dt REBOOT 8
.Os
.Sh NAME
@@ -152,6 +152,13 @@ Replace current root filesystem with UFS
kenv vfs.root.mountfrom=ufs:/dev/ada0s1a
reboot -r
.Ed
+.Pp
+This mechanism can also be used with NFS, with a caveat that
+it only works with NFSv4, and requires a numeric IPv4 address:
+.Bd -literal -offset indent
+kenv vfs.root.mountfrom=nfs:192.168.1.1:/share/name
+reboot -r
+.Ed
.Sh SEE ALSO
.Xr kenv 1 ,
.Xr getutxent 3 ,
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