Troubleshooting wireless connections in Archlinux, sort of …

… a journey through wireless connectivity hell in Archlinux

I do not like to think too much about how I get connected to wifi using Archlinux but when things do not work as they should, it could turn into a nightmare. The nightmare is partly because I do not know things I should or that I am plain stupid. Just in case helps, yesterday I ran into a situation where the Archlinux OS on my lenovo thinkpad X220i stopped working. I got it working this morning but I still do not know what exactly happened to make it work but perhaps…