PiMyLifeUp is always delivering the handy Pi content, like this guide on flushing your DNS cache on your Ubuntu device:
However, the DNS cache on Ubuntu and other systems is not perfect as it relies on an outside service. So if the system has cached a bad result, you will want to flush/clear it.
Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time! // Read more: original article.
