I install the backbox linux in my HP Satellite L55 and confuse with the display brightness setting. It goes too bright for my eyes. And can’t find the setting to lower it down. I install xbacklight and try to set it. But it was not…

Open dns is one of the free dns server in this planet. OpenDNS is a company and service that extends the Domain Name System (DNS) by adding features such as phishing protection and optional content filtering. Sign it up. I sign up in www.opendns.org in username…