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Index: etc/defaults/periodic.conf
===================================================================
--- etc/defaults/periodic.conf
+++ etc/defaults/periodic.conf
@@ -140,6 +140,10 @@
daily_queuerun_enable="YES" # Run mail queue
daily_submit_queuerun="YES" # Also submit queue
+# 510.status-world-kernel
+daily_status_world_kernel="YES" # Check the running
+ # userland/kernel version
+
# 800.scrub-zfs
daily_scrub_zfs_enable="NO"
daily_scrub_zfs_pools="" # empty string selects all pools
Index: etc/periodic/daily/510.status-world-kernel
===================================================================
--- /dev/null
+++ etc/periodic/daily/510.status-world-kernel
@@ -0,0 +1,36 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+# Check that the running userland and kernel versions are in sync.
+
+# If there is a global system configuration file, suck it in.
+#
+if [ -r /etc/defaults/periodic.conf ]
+then
+ . /etc/defaults/periodic.conf
+ source_periodic_confs
+fi
+
+case "$daily_status_world_kernel" in
+ [Yy][Ee][Ss])
+ rc=0
+ _U=$(/usr/bin/uname -U 2>/dev/null)
+ _K=$(/usr/bin/uname -K 2>/dev/null)
+ [ -z "${_U}" -o -z "${_K}" ] && exit 0
+ echo ""
+ echo "Checking userland and kernel versions:"
+ if [ "${_U}" != "${_K}" ]; then
+ echo "Userland and kernel are not in sync"
+ echo "Userland version: ${_U}"
+ echo "Kernel version: ${_K}"
+ rc=1
+ else
+ echo "Userland and kernel are in sync."
+ fi
+ ;;
+
+ *) rc=0;;
+esac
+
+exit $rc
Index: etc/periodic/daily/Makefile
===================================================================
--- etc/periodic/daily/Makefile
+++ etc/periodic/daily/Makefile
@@ -16,6 +16,7 @@
409.status-gconcat \
420.status-network \
450.status-security \
+ 510.status-world-kernel \
999.local
# NB: keep these sorted by MK_* knobs
Index: share/man/man5/periodic.conf.5
===================================================================
--- share/man/man5/periodic.conf.5
+++ share/man/man5/periodic.conf.5
@@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd December 25, 2013
+.Dd January 15, 2015
.Dt PERIODIC.CONF 5
.Os
.Sh NAME
@@ -498,6 +498,11 @@
Set to
.Dq Li YES
if you want to enable NTP status check.
+.It Va daily_status_world_kernel
+.Pq Vt bool
+Set to
+.Dq Li YES
+to check the running userland and kernel are in sync.
.It Va daily_queuerun_enable
.Pq Vt bool
Set to

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