Окружения:

dir Env:

Оболочки:

dir Variable:
#или
Get-Variable

$VAR='test'
$STRING='this ${VAR}'
$ExecutionContext.InvokeCommand.ExpandString($STRING)
#или
Invoke-Expression "echo $STRING"

$params = @{
    Type = 'Custom'
    Subject = 'SelfSignedCertificate'
    TextExtension = @('2.5.29.17={text}DNS=localhost&IPAddress=127.0.0.1&IPAddress=::1')
    HashAlgorithm = 'SHA256'
    KeyAlgorithm = 'RSA'
    KeyLength = 2048
    KeyUsage = 'DigitalSignature'
    CertStoreLocation = 'Cert:\LocalMachine\My'
    NotAfter = (Get-Date).AddYears(10)
}
$Thumbprint = New-SelfSignedCertificate @params | Select -ExpandProperty Thumbprint

$pfxpwd = ConvertTo-SecureString -String '2003' -Force -AsPlainText
Get-ChildItem -Path Cert:\LocalMachine\My\$Thumbprint | Export-PfxCertificate -FilePath Apps.pfx -Password $pfxpwd

$pfxpwd = Get-Credential -UserName 'Enter password below' -Message 'Enter password below'
Import-PfxCertificate -FilePath Apps.pfx -CertStoreLocation Cert:\LocalMachine\My -Exportable -Password $pfxpwd.Password  | Select -ExpandProperty Thumbprint
Import-PfxCertificate -FilePath Apps.pfx -CertStoreLocation Cert:\LocalMachine\Root -Exportable -Password $pfxpwd

$Thumbprint=<set Thumbprint>
$fileCert = ([System.Security.Cryptography.X509Certificates.RSACertificateExtensions]::GetRSAPrivateKey($(Get-ChildItem Cert:\LocalMachine\My | Where thumbprint -eq $Thumbprint))).key.UniqueName
if (Test-Path "$env:ALLUSERSPROFILE\Microsoft\Crypto\RSA\MachineKeys\$fileCert"){
  $certPath = "$env:ALLUSERSPROFILE\Microsoft\Crypto\RSA\MachineKeys\$fileCert"
} elseif (Test-Path "C:\ProgramData\Microsoft\Crypto\Keys\$fileCert"){
  $certPath = "$env:ALLUSERSPROFILE\Microsoft\Crypto\Keys\$fileCert"
} elseif (Test-Path "$env:ALLUSERSPROFILE\Microsoft\Crypto\RSA\$fileCert"){
  $certPath = "$env:ALLUSERSPROFILE\Microsoft\Crypto\RSA\$fileCert"
}
$permissions = Get-Acl -Path "$certPath"
$acl = New-Object System.Security.AccessControl.FileSystemAccessRule("IIS_IUSRS", 'Read', 'None', 'None', 'Allow')
$permissions.AddAccessRule($acl)
Set-Acl -Path $certPath -AclObject $permissions

Показать список файлов:

[Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem')
[IO.Compression.ZipFile]::OpenRead("$zipFile").Entries.FullName

Показать файл в архиве (пример для файла «appsettings.Standalone.json»):

[Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem')
[System.IO.StreamReader]::new([IO.Compression.ZipFile]::OpenRead("$zipFile").GetEntry("appsettings.Standalone.json").Open()).ReadToEnd()

Извлечь файл из архива (пример для файла «appsettings.Standalone.json»):

Add-Type -AssemblyName System.IO.Compression, System.IO.Compression.FileSystem
$zip = New-Object IO.Compression.ZipArchive((New-Object IO.FileStream("$zipFile", [IO.FileMode]::Open)), [IO.Compression.ZipArchiveMode]::Read)
$zip.Entries | Where-Object Name -like "appsettings.Standalone.json" | ForEach-Object{[System.IO.Compression.ZipFileExtensions]::ExtractToFile($_, "appsettings.Standalone.json", $true)}
$zip.Dispose()

Удалить файлы в архиве (пример для файлов «appsettings*.json»):

Add-Type -AssemblyName System.IO.Compression, System.IO.Compression.FileSystem
$zip = New-Object IO.Compression.ZipArchive((New-Object IO.FileStream("$zipFile", [IO.FileMode]::Open)), [IO.Compression.ZipArchiveMode]::Update)
($zip.Entries | ? { $_.Name -like "appsettings*.json" }) | % { $_.Delete() }
$zip.Dispose()

Добавить файл в архив (пример для файла «appsettings.json»):

Compress-Archive -Update "appsettings.json" "$zipFile"

Список доступных команд:

Get-Command -Module ScheduledTasks

https://learn.microsoft.com/en-us/powershell/module/scheduledtasks/
Примеры:
Запуск от доменного пользователя

$Credential = Get-Credential -Credential "DOMAIN\sqlBackup"

Каждый час:

$Trigger = New-ScheduledTaskTrigger -Daily -At 00:30
$Principal = New-ScheduledTaskPrincipal -UserID "IDSCAN\sqlBackup" -LogonType Password
$Action = New-ScheduledTaskAction -Execute '"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"' -Argument '-Command Invoke-Sqlcmd -Querytimeout 0 -ServerInstance sqlprod -InputFile Z:\SQL\TransactionLog.sql 2>&1> Z:\log\tl.log'
$Settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit 0 -AllowStartIfOnBatteries -MultipleInstances Parallel
$Task = Register-ScheduledTask -TaskName "SQL\TransactionLog" -Trigger $Trigger -User $Credential.Username -Password $Credential.GetNetworkCredential().Password -Action $Action -Settings $Settings -Force
$Task.Triggers.Repetition.Duration = "P1D"
$Task.Triggers.Repetition.Interval = "PT1H"
$Task | Set-ScheduledTask -User $Credential.Username -Password $Credential.GetNetworkCredential().Password

P(eriod)0D(ays)T(ime)0H(ours)0M(inutes)0S(econds)

Каждый день:

$Trigger = New-ScheduledTaskTrigger -Weekly -DaysOfWeek Monday,Tuesday,Thursday,Friday,Saturday,Sunday -At 05:10
$Principal = New-ScheduledTaskPrincipal -UserID "IDSCAN\sqlBackup" -LogonType Password
$Action = New-ScheduledTaskAction -Execute '"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"' -Argument '-Command Invoke-Sqlcmd -Querytimeout 0 -ServerInstance sqlprod -InputFile Z:\SQL\Diff.sql 2>&1> Z:\log\diff.log'
$Settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit 0 -AllowStartIfOnBatteries -MultipleInstances Parallel
$Task = Register-ScheduledTask -TaskName "SQL\Diff" -Trigger $Trigger -User $Credential.Username -Password $Credential.GetNetworkCredential().Password -Action $Action -Settings $Settings -Force

Еженедельный (с двумя действиями):

$Trigger = New-ScheduledTaskTrigger -Weekly -DaysOfWeek Wednesday -At 05:00
$Principal = New-ScheduledTaskPrincipal -UserID "IDSCAN\sqlBackup" -LogonType Password
$Action = New-ScheduledTaskAction -Execute '"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"' -Argument '-Command Invoke-Sqlcmd -Querytimeout 0 -ServerInstance sqlprod -InputFile Z:\SQL\Full.sql 2>&1> Z:\log\full.log'
$Action += New-ScheduledTaskAction -Execute '"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"' -Argument '-File Z:\sql\Clear.ps1 2>&1> Z:\log\clear.log'
$Settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit 0 -AllowStartIfOnBatteries -MultipleInstances Parallel
$Task = Register-ScheduledTask -TaskName "SQL\Full" -Trigger $Trigger -User $Credential.Username -Password $Credential.GetNetworkCredential().Password -Action $Action -Settings $Settings -Force

Один раз:

$Trigger = New-ScheduledTaskTrigger -Once -At 00:01
$Principal = New-ScheduledTaskPrincipal -UserID "IDSCAN\sqlBackup" -LogonType Password
$Action = New-ScheduledTaskAction -Execute '"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"' -Argument '-Command Invoke-Sqlcmd -Querytimeout 0 -ServerInstance sqlprod -InputFile Z:\SQL\Test.sql 2>&1> Z:\log\test.log'
$Settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit 0 -AllowStartIfOnBatteries -MultipleInstances Parallel
$Task = Register-ScheduledTask -TaskName "SQL\Test" -Trigger $Trigger -User $Credential.Username -Password $Credential.GetNetworkCredential().Password -Action $Action -Settings $Settings -Force

Ежемесячный:

$scheduler = New-Object -ComObject('Schedule.Service')
$scheduler.Connect()
$root = $scheduler.GetFolder('\')
$task = $scheduler.NewTask(0)
$trigger = $task.Triggers.Create(4)
$trigger.StartBoundary = [datetime]::new(2023, 1, 1, 1, 0, 0).ToString("yyyy-MM-dd'T'HH:mm:ss")
$trigger.DaysOfMonth = 1
$action = $task.Actions.Create(0)
$action.Path = "C:\windows\system32\WindowsPowerShell\v1.0\powershell.exe"
$action.Arguments = "-Command Invoke-Sqlcmd -Querytimeout 0 -ServerInstance sqlprod -InputFile Z:\SQL\FullBlobs.sql 2>&1> Z:\log\fullblobs.log"
$action.WorkingDirectory = "C:\Temp"
$task.Settings.ExecutionTimeLimit = "PT0S"
$task.Settings.MultipleInstances = 0
$root.RegisterTaskDefinition("SQL\FullBlobs", $task, 6, $Credential.Username, $Credential.GetNetworkCredential().Password, 1)

https://learn.microsoft.com/en-us/windows/win32/taskschd/taskfolder-registertaskdefinition
https://learn.microsoft.com/en-us/windows/win32/taskschd/monthlytrigger
https://learn.microsoft.com/en-us/windows/win32/api/taskschd/ne-taskschd-task_trigger_type2
https://learn.microsoft.com/en-us/windows/win32/taskschd/tasksettings
https://forums.powershell.org/t/create-monthly-scheduled-task/11829/3

Показать приоритет задачи (TaskPath не обязательно, если имя уникально):

(Get-ScheduledTask -TaskName "${TASKNAME}" -TaskPath "${TASKPATH}").Settings.Priority

Изменить приоритет (повысить до 4, по умолчанию 7):

$settings = New-ScheduledTaskSettingSet -Priority 4
Set-ScheduledTask -TaskName "${TASKNAME}" -Settings $settings

https://learn.microsoft.com/en-us/windows/win32/taskschd/tasksettings-priority