From an elevated powershell
[System.Environment]::SetEnvironmentVariable(‘MyAwesomeTargetFolder’, ‘c:\littlebitawesome’, [System.EnvironmentVariableTarget]::Machine)
CLOSE POWERSHELL AND REOPEN IT!!!
(get-item env:MyAwesomeTargetFolder).value
SPF Records
https://www.kitterman.com/spf/validate.html?
https://www.dmarcanalyzer.com/spf/checker/
Maximum length of an spf record and splitting it into multiple strings:
https://support.agari.com/hc/en-us/articles/202952749-How-long-can-my-SPF-record-be-
SPF DNS Look up limits:
https://help.returnpath.com/hc/en-us/articles/222479888-How-can-I-avoid-SPF-failures-if-I-am-reaching-the-DNS-lookup-limit-
Securely Erasing Disks – DiskWipe
DBAN is the way to do it but for a quick easy way to do USB drives and SD Cards then try…
http://www.diskwipe.org/download.php
Creating your own Powershell Objects
$props1 = @{
Property1 = 'one'
Property2 = 'two'
Property3 = 'three'
}
$object1 = new-object psobject -Property $props1
$props2 = @{
Property1 = 'one'
Property2 = 'two'
Property3 = 'three'
}
$object2 = new-object psobject -Property $props2
$array = @()
$array += $object1
$array += $object2
$array
Further reading: https://social.technet.microsoft.com/wiki/contents/articles/7804.powershell-creating-custom-objects.aspx
Ping Monitoring
https://emcosoftware.com/ping-monitor/download
Seems pretty good for network troubleshooting, first 5 hosts free.
Filtering on Multiple Fields
get-aduser -filter {(enabled -eq $True) -and (passwordneverexpires -eq $True)} -properties passwordneverexpires, enabled, description | select name,descriptionCleaning out WSUS
This is for when the clean up wizard is borking out and repeatedly running it doesn’t feel like its making any progress (not that it tells you anyway).
The server/instance name to connect to with SSMS is:
\\.\pipe\MSSQL$MICROSOFT##SSEE\sql\query
If the above doesn’t work then just uninstall WSUS and start again… its not that painful apart from the amount of crap you have to download.