【Sys】Powershell Commands

1. Windows获取CPU和Core

$ (Get-WmiObject win32_processor | Measure-Object -Sum -Property NumberOfCores ).Sum
$ (Get-WmiObject win32_processor | Measure-Object ).Count
$ (Get-WmiObject -Class win32_processor | measure -Sum NumberOfLogicalProcessors).Sum
$ Get-WmiObject Win32_logicaldisk | Select DeviceID, @{Name="SizeGB";Expression={[decimal]("{0:N0}" -f($_.size/1gb))}}
$ Get-WmiObject win32_processor | Measure-Object -Sum -Property NumberOfCores

2. Install patch

$ C:\Windows\system32\wusa.exe"  C:\Windows\system32\Windows8.1-KB2975719-x64.August2014.ReReleased.msu /quiet /norestart

3. Windows parition

$ "list disk" |diskpart |select-string Disk

DISKPART> Select Disk #
DISKPART> Online Disk NoErr
DISKPART> Attributes Disk Clear ReadOnly NoErr
DISKPART> Convert GPT
DISKPART> Create Partition Primary NoErr
DISKPART> Format FS=NTFS Quick Label="WitnessDisk"
DISKPART> Assign Letter=Q
DISKPART> Exit

4. Set remote execution policy

$ Set-ExecutionPolicy RemoteSigned

5. Check PageFile

$ Get-CimInstance -ClassName Win32_PageFileSetting |select *
$ Get-CimInstance -ClassName Win32_ComputerSystem  |select Auto*PAge* |fl

6. Get NIC card type

$ Get-WmiObject Win32_NetworkAdapterConfiguration | Where-Object { $_.IPAddress -ne $null }
$ (Get-WmiObject Win32_NetworkAdapterConfiguration| Where-Object { $_.IPAddress -ne $null }).Description

 7. Get Eventlog 

$EventTypes = @("Application", "HardwareEvents", "Internet Explorer", "Key Management Service", "Security", "System", "Windows PowerShell")
$ErrorEntryTypes = 'Error','FailureAudit'
foreach ( $Logname in $EventTypes) {Get-EventLog -LogName $Logname -Newest 100 -ErrorAction SilentlyContinue | Where-Object {$_.EntryType -in $ErrorEntryTypes} | Select TimeGenerated,Message,EntryType}
foreach ( $Logname in $EventTypes) {(Get-EventLog -LogName $Logname -Newest 100 -ErrorAction SilentlyContinue | Where-Object {$_.EntryType -in $ErrorEntryTypes} | Select EntryType | Measure-Object).Count}