&gt; <i>&quot;....Redmine instance (which is written in Ruby) and this is real nightmare for me. Each time I&#x27;ve to upgrade, I&#x27;ve to drink a lot day or two in advance....&quot;</i><p>Well that is your problem right there - don&#x27;t drink in advance, drink <i>afterwards</i> to try delete the traumatic experience from your memory!