SSH holds fingerprints of your remote machines in the known_hosts file. Sometimes you might need to remove or update one of those entries. Jack Wallen shows you how.

Learn how to reset Hosts file in Windows 11/10, to default. Download Windows default Hosts file here. Useful if it has been compromised by malware.

In this step-by-step guide, learn how to access and modify the Linux hosts file to control the mapping of hostnames to IP addresses.