Windows PowerShell for Network Administration

Windows PowerShell is a new command line shell and task-based scripting technology that provides comprehensive control and automation of system administration tasks. Windows PowerShell allows Windows administrators to be more productive by providing over 100 system administration utilities, consistent syntax, and improved navigation of common management data such as the registry or Windows Management Instrumentation (WMI). Windows PowerShell also includes a scripting language which enables comprehensive automation of Windows system administration tasks. The Windows PowerShell language is intuitive and supports your organization's existing scripts and command line tool investments. Exchange Server 2007 and System Center Operations Manager 2007 will leverage Windows PowerShell to provide improved command line automation.

The key features of Windows PowerShell include:

• One hundred and twenty nine standard utilities (called “cmdlets”) for completing common system administration tasks such as working with the registry, services, processes, Windows Management Instrumentation, event logs, etc..
• Intuitive, task-based scripting language and support for existing scripts and command line tools..
• Designed for consistency so all tools and system data stores follow a common syntax, common naming conventions and information can be easily shared/piped between tools.
• Simplified command-based navigation of the operating system (including drives, startup files, and registry).
• Powerful object manipulation capabilities (objects can be directly manipulated or pipelined to other tools or databases).
• Designed for extensibility so that independent software vendors and enterprise developers can easily build custom tools and utilities to administer their software.

System Requirements:

Supported Operating Systems: Windows Server 2003; Windows Server 2003 R2 (32-Bit x86); Windows Server 2003 Service Pack 1; Windows Vista; Windows XP; Windows XP Service Pack 1; Windows XP Service Pack 2

Requires the .NET Framework Version 2.0 Redistributable Package Examples

Stop all processes that begin with the letter “p”:

get-process p* | stop-process

Find the processes that use more than 10 MB of memory and kill them:

get-process | where { $_.WS -gt 10MB } | stop-process

Calculate the number of bytes in the files in a directory:

get-childitem | measure-object -Property length

Determine whether a specific process is no longer running:

$processToWatch = get-process notepad
$processToWatch.WaitForExit()

Find all running services

get-service | where-object {$_.status -eq "running"}

List network adapter configuration properties (script):

$strComputer = "."
$colItems = get-wmiobject -class "Win32_NetworkAdapterConfiguration" -namespace "rootCIMV2" `

-computername $strComputer

foreach ($objItem in $colItems) {
write-host "ARP Always Source Route: " $objItem.ArpAlwaysSourceRoute
write-host "ARP Use EtherSNAP: " $objItem.ArpUseEtherSNAP
write-host "Caption: " $objItem.Caption
write-host "Database Path: " $objItem.DatabasePath
write-host "Dead Gateway Detect Enabled: " $objItem.DeadGWDetectEnabled
write-host "Default IP Gateway: " $objItem.DefaultIPGateway
write-host "Default TOS: " $objItem.DefaultTOS
write-host "Default TTL: " $objItem.DefaultTTL
write-host "Description: " $objItem.Description
write-host "DHCP Enabled: " $objItem.DHCPEnabled
write-host "DHCP Lease Expires: " $objItem.DHCPLeaseExpires
write-host "DHCP Lease Obtained: " $objItem.DHCPLeaseObtained
write-host "DHCP Server: " $objItem.DHCPServer
write-host "DNS Domain: " $objItem.DNSDomain
write-host "DNS Domain Suffix Search Order: " $objItem.DNSDomainSuffixSearchOrder
write-host "DNS Enabled For WINS Resolution: " $objItem.DNSEnabledForWINSResolution
write-host "DNS Host Name: " $objItem.DNSHostName
write-host "DNS Server Search Order: " $objItem.DNSServerSearchOrder
write-host "Domain DNS Registration Enabled: " $objItem.DomainDNSRegistrationEnabled
write-host "Forward Buffer Memory: " $objItem.ForwardBufferMemory
write-host "Full DNS Registration Enabled: " $objItem.FullDNSRegistrationEnabled
write-host "Gateway Cost Metric: " $objItem.GatewayCostMetric
write-host "IGMP Level: " $objItem.IGMPLevel
write-host "Index: " $objItem.Index
write-host "IP Address: " $objItem.IPAddress
write-host "IP Connection Metric: " $objItem.IPConnectionMetric
write-host "IP Enabled: " $objItem.IPEnabled
write-host "IP Filter Security Enabled: " $objItem.IPFilterSecurityEnabled
write-host "IP Port Security Enabled: " $objItem.IPPortSecurityEnabled
write-host "IPSec Permit IP Protocols: " $objItem.IPSecPermitIPProtocols
write-host "IPSec Permit TCP Ports: " $objItem.IPSecPermitTCPPorts
write-host "IPSec Permit UDP Ports: " $objItem.IPSecPermitUDPPorts
write-host "IP Subnet: " $objItem.IPSubnet
write-host "IP Use Zero Broadcast: " $objItem.IPUseZeroBroadcast
write-host "IPX Address: " $objItem.IPXAddress
write-host "IPX Enabled: " $objItem.IPXEnabled
write-host "IPX Frame Type: " $objItem.IPXFrameType
write-host "IPX Media Type: " $objItem.IPXMediaType
write-host "IPX Network Number: " $objItem.IPXNetworkNumber
write-host "IPX Virtual Net Number: " $objItem.IPXVirtualNetNumber
write-host "Keep Alive Interval: " $objItem.KeepAliveInterval
write-host "Keep Alive Time: " $objItem.KeepAliveTime
write-host "MAC Address: " $objItem.MACAddress
write-host "MTU: " $objItem.MTU
write-host "Number of Forward Packets: " $objItem.NumForwardPackets
write-host "PMTUBH Detect Enabled: " $objItem.PMTUBHDetectEnabled
write-host "PMTU Discovery Enabled: " $objItem.PMTUDiscoveryEnabled
write-host "Service Name: " $objItem.ServiceName
write-host "Setting ID: " $objItem.SettingID
write-host "TCP/IP Netbios Options: " $objItem.TcpipNetbiosOptions
write-host "TCP Maximum Connect Retransmissions: " $objItem.TcpMaxConnectRetransmissions
write-host "TCP Maximum Data Retransmissions: " $objItem.TcpMaxDataRetransmissions
write-host "TCP Number of Connections: " $objItem.TcpNumConnections
write-host "TCP Use RFC1122 Urgent Pointer: " $objItem.TcpUseRFC1122UrgentPointer
write-host "TCP Window Size: " $objItem.TcpWindowSize
write-host "WINS Enable LMHosts Lookup: " $objItem.WINSEnableLMHostsLookup
write-host "WINS Host Lookup File: " $objItem.WINSHostLookupFile
write-host "WINS Primary Server: " $objItem.WINSPrimaryServer
write-host "WINS Scope ID: " $objItem.WINSScopeID
write-host "WINS Secondary Server: " $objItem.WINSSecondaryServer

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