Knowledgebase Articles Linux How to flush DNS on linux OS ubuntu/mint ilangovan ramasamy October 2, 2010 No Comments centosdns cleandns-clean startflushdnsmintubuntu Open a terminal window and type the below command sudo /etc/init.d/dns-clean start You will be asked to enter the root password to complete the process. Share this:WhatsAppTelegramTweetEmailMorePocket