What is good list of commands to use via PowerShell for monitoring

What is good list of commands to use via PowerShell for monitoring active sessions, ports, etc on servers, disk usage.  Maybe even a list of tools and native utilities would help.
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Dan CraciunIT ConsultantCommented:
Why would you want to use Powershell for this? It probably can be done, but with too much work.

Get a monitoring package (Nagios, Icinga, OpManager, SpiceWorks and so on) and monitor your whole infrastructure in a centralized way, including monitoring disk usage, memory, users, processes, etc for your particular server.

Lionel MMSmall Business IT ConsultantCommented:
Hey scripting guy has many powershell scripts some of which may do what you want done. It is also a great place to learn powershell. This search is a good point to check it out

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Windows Server 2008

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