add vnstat_vz.sh

vz/vnstat_vz.sh

+#!/bin/sh
+for id in $(vzlist | sed -e "s| *\([0-9]*\).*|\1|g") ; do
+    CONF=/etc/vz/conf/$id.conf
+    test -r $CONF || continue
+    eval `cat $CONF | grep ^HOSTNAME | sed -e "s|office.etersoft.ru||g"`
+    printf "%s (%20s):" $id $HOSTNAME
+    vzctl exec $id vnstat -tr -i venet0
+done
+echo "---"
+uptime