Differences

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--- powershell_cheat_sheet [2020/07/02 20:26] – [Search installed certs for thumbprint] stephen
+++ powershell_cheat_sheet [2021/04/13 21:53] (current) – external edit 127.0.0.1
@@ Line 9: / Line 9: @@
 if (!(Test-Path $path)) {
     Write-Host "File does not exist."
+}
+</code>
+===== Check previous command was successful =====
+<code powershell>
+if ($?) {
+	Write-Host 'Success' -ForegroundColor Green
+} else {
+	Write-Host 'FAILED' -ForegroundColor Red
+	throw 'Failed.'
 }
 </code>
@@ Line 22: / Line 33: @@
 <code powershell>
 (Get-Content $filename) -replace 'heise', 'Heise' | Set-Content $filename
+</code>
+===== Create a timestamp =====
+<code powershell>
+$timestamp = (Get-Date).ToString("yyyyMMdd HHmmssff")
 </code>
@@ Line 34: / Line 51: @@
 </code>
-===== Search installed certs for thumbprint =====
+===== Set current directory to script location =====
+<code powershell>
+Push-Location "$($MyInvocation.MyCommand.Path)\..\"
+#...
+Pop-Location
+</code>
+===== Certificates =====
+Search by thumbprint:
 <code powershell>
 Get-ChildItem -Path Cert: -Recurse | Where-Object { $_.Thumbprint -and $_.Thumbprint.ToLower().StartsWith('c4') }
+</code>
+To check if the cert is valid, pipe it the ''Test-Certificate'' command:
+<code powershell>
+Get-ChildItem -Path Cert: -Recurse | Where-Object { $_.Thumbprint -and $_.Thumbprint.ToLower().StartsWith('c4') } | Test-Certificate
+</code>
+To check for expired / revoked certs:
+<code powershell>
+$certs = Get-ChildItem -Path Cert:\LocalMachine\My -Recurse
+foreach ($cert in $certs) {
+    Write-Host "$($cert.Thumbprint) $($cert.Subject)"
+    if ($certs.NotAfter -lt (Get-Date)) {
+        Write-Host "    Expired on $($certs.NotAfter)" -ForegroundColor Red
+    }
+    elseif ($cert | Test-Certificate) {
+        Write-Host "    Tested ok." -ForegroundColor Green
+    }
+}
 </code>
@@ Line 56: / Line 105: @@
   - Once installation is complete, comment out commands and change password.
+If this doesn't work, and it won't for an ANZ Dev VM, try the [[powershell_manual_module_installation|PowerShell Manual Module Installation]].
+===== No Sleep =====
+May only work inside Windows Powershell ISE.
+<code powershell>
+$intervalSeconds = 60
+$mouseDistance = 1
+$myshell = New-Object -com "Wscript.Shell"
+while ($true) {
+    Start-Sleep -Seconds $intervalSeconds
+    $Pos = [System.Windows.Forms.Cursor]::Position
+    [System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point((($Pos.X) + $mouseDistance) , $Pos.Y)
+    [System.Windows.Forms.SendKeys]::SendWait("{f15}")
+    Write-Host 'A shuffle to the right.'
+    Start-Sleep -Seconds $intervalSeconds
+    $Pos = [System.Windows.Forms.Cursor]::Position
+    [System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point((($Pos.X) - $mouseDistance) , $Pos.Y)
+    [System.Windows.Forms.SendKeys]::SendWait("{f15}")
+    Write-Host 'A shuffle to the left.'
+}
+</code>
 ===== Text Processing =====