PowerShell

Get today's date and time where time is set to midnight

[DateTime]::Today

Show list of logged on users

query user /server:$SERVER

Log off user by specifying session ID

logoff <session ID>

Reload a local module

Import-Module -Name .\module.psd1 -Force

Pretty-print minified JSON

$String | ConvertFrom-Json | ConvertTo-Json -Depth 100

Convert from Base64

[Text.Encoding]::Utf8.GetString([Convert]::FromBase64String($String))

Convert string to boolean

[System.Convert]::ToBoolean($String)

Resolve FQDN

[System.Net.Dns]::GetHostByName($FQDN)