Domain Name Servers (DNS) bind the internet together. They match machine-usable IPv4 and IPv6 addresses with human-readable domain names. It's the internet's equivalent of the phone book. But, while ...

Get to know the Linux hosts file and how to use it Your email has been sent If you're new to Linux, there's a very handy file you'll want to learn about right away. Jack Wallen introduces you to the ...

A text file in a TCP/IP network that specifies the IP addresses of computer names and domain names. It is used to convert a request by name to a numeric IP address on the local network or the Internet ...

Are you a developer who wants to test changes to their website before making them live? Or do you want to block access to certain websites on your home network? A simple search on the internet will ...

How to remove or update a single entry from the SSH known_hosts file Your email has been sent SSH holds fingerprints of your remote machines in the known_hosts file. Sometimes you might need to remove ...

If you have ever used a HOSTS file on your Windows computer, you might have seen the LMHOSTS file in the same directory where the HOSTS file is located. The HOSTS file is used to map IP host names to ...