How to fix

How to flush DNS cache in Ubuntu / Debian / Linux Mint

The Domain Name System (DNS) is a hierarchical decentralized naming system. It’s used for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. Most prominently, it translates more readily memorized domain names to the numerical IP addresses.Continue Reading


How to fix

How to set hostname in Linux

In computer networking, a hostname (archaically nodename) is a label. It’s assigned to a device connected to a computer network. That is used to identify the device in network. sudo hostname {{ new hostname }} – Will work till system restart. Define hostname permanently: For newer distributives, that uses SystemD init system: sudo hostnamectl set-hostname {{ new hostname }}Continue Reading