If the machine truly has little entropy to start, it might have trouble establishing a secure TLS connection to the remote source.<p>That said, here is my little &quot;wwwrand&quot; script, that assumes Google News will return unpredictable and unrepeatable content. You could also throttle curl using --limit-rate to generate more interrupts for strace to log.<p>nice -n 19 strace -CTiv -ttt curl -LNv <a href="https:&#x2F;&#x2F;news.google.com" rel="nofollow">https:&#x2F;&#x2F;news.google.com</a> 2&gt;&amp;1 | shasum -a 512