The Domain Name System, in addition to assigning IP addresses, lets you protect the network communication of servers in a domain. DNS offers further hardening of network protocols – in particular, SSH fingerprinting and CAA records.
The bpytop command-line monitoring tool provides a variety of information via a fancy user interface and supports network monitoring and mouse- or keyboard-based control.
Kubernetes has limited support for multitenancy, so many admins prefer to build multiple standalone Kubernetes clusters that eat up resources and complicate management. As a solution, Loft launches any number of clusters within the same control plane.
Microsoft and Google have upgraded their in-house operating systems, Windows 10 and Chrome OS, with subsystems to run Linux. We look into their highly different approaches.
The veteran Metasploit is by no means obsolete and is still used as a typical workflow to find and analyze security vulnerabilities in Windows 10 and Linux systems.
Admins use SSH, the proverbial Swiss army knife of system management, for many of their daily tasks, but no matter how powerful the tool might be, it typically does not offer adequate protection. We look at ways to tighten SSH security.
