Backing up your VMware ESXi host configuration is critical for disaster recovery. If hardware fails or settings are accidentally changed, a backup allows you to quickly restore the host to its ...

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 ...

The hosts file (/etc/hosts on Unix based system) is the first step in the translation of a FQDN hostname to the IP address format. When making a DNS request on any address server on the web, this file ...

When it's enabled, trying to hit "production.server.com" adds a second entry to the DNS resolver cache, one with the real IP address of the production server, in addition to the entry I listed above ...

I have some computers in a lab, and I'd like to add all of the ssh keys to a global known_hosts file, so that users will not have to go through the "add key to cache" stuff. <br><br>Is there a global ...