Almost kill my Ubuntu

I did an extremely stupid thing today. It all started when I tried to fix some conflicting issue of OpenCV and ffmpeg. I installed and reinstalled many times. I tried this on my desktop and eventually tried it also on my laptop. For some reasons, I could not install some required package (libxcb1-dev). It showed…

DNS problem of virtualbox

I wasted a couple hours today trying to figure out why my guest winxp has no connection. It is the third ubuntu machines that I have installed a virtualbox with a guest winxp. I am very satisfied with virtualbox. It is very fast and I can do almost anything I need for a window machine….