====== Date ======
  * https://phoenixnap.com/kb/linux-date-command


===== +1 nap =====
<code bash>
date -s "+1 day"
</code>


===== Folyamatos időtekerés =====
<code bash>
date; while true; do sleep $[$RANDOM / 10000 + 1]; date -s "+1 min"; done
</code>