1.0Logikal Bloghttps://www.logikalsolutions.com/wordpressadminhttps://www.logikalsolutions.com/wordpress/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="vXnA4wWGYh"><a href="https://www.logikalsolutions.com/wordpress/raspberry-pi/raspberry-qt-part-9/">Raspberry Qt – Part 9</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.logikalsolutions.com/wordpress/raspberry-pi/raspberry-qt-part-9/embed/#?secret=vXnA4wWGYh" width="600" height="338" title="“Raspberry Qt – Part 9” — Logikal Blog" data-secret="vXnA4wWGYh" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.logikalsolutions.com/wordpress/wp-includes/js/wp-embed.min.js </script> Making the serial port actually work By default your Pi has a getty/mgetty process enabled. There are many out of date instructions about disabling it. Please pay attention to the date of the post when looking for advice. The Pi world is fast changing. While those instructions were good at one time they are invalid now just as these instructions may well be invalidated in the future. Open a terminal window and type sudo raspi-config … Read morehttp://www.logikalsolutions.com/wordpress/wp-content/uploads/2016/08/advanced_options.png