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-rw-r--r--sbin/reboot/reboot.89
1 files changed, 8 insertions, 1 deletions
diff --git a/sbin/reboot/reboot.8 b/sbin/reboot/reboot.8
index d0afe67..55d8062 100644
--- a/sbin/reboot/reboot.8
+++ b/sbin/reboot/reboot.8
@@ -28,7 +28,7 @@
.\" @(#)reboot.8 8.1 (Berkeley) 6/9/93
.\" $FreeBSD$
.\"
-.Dd Dec 12, 2015
+.Dd March 19, 2017
.Dt REBOOT 8
.Os
.Sh NAME
@@ -152,6 +152,13 @@ Replace current root filesystem with UFS mounted from
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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