+# Update fstab
+#
+grep -v "tmpfs" /etc/fstab > /tmp/fstab.tmp
+echo "#none /tmp tmpfs defaults 0 0" >> /tmp/fstab.tmp
+echo "none /var/log/rrd tmpfs defaults,size=112M 0 0" >> /tmp/fstab.tmp
+echo "none /var/lock tmpfs defaults,size=8M 0 0" >> /tmp/fstab.tmp
+echo "none /var/run tmpfs defaults,size=8M 0 0" >> /tmp/fstab.tmp
+mv /tmp/fstab.tmp /etc/fstab
+#