Jack Wallen walks you through creating new users and groups on Linux and adding those new users to the new groups.

Configuring PuTTY for SSH Connections Before initiating an SSH connection, you need to gather some vital information: the IP address or hostname of the Linux server you're connecting to, the port ...

Need to lock down that Linux server so certain remote users can only access a specific directory and only for file upload and download purposes? Jack Wallen shows you how.