Different things

1. Enable Powershell ISE from Windows Server 2008 R2

 Import-Module ServerManager 
 Add-WindowsFeature PowerShell-ISE

2. Using nslookup from CMD:

Nslookup -querytype=all  google.com NameServer | findstr crk

3. Updating DNS records using Powershell:

Add-DnsServerResourceRecordA -Name "DNS-HOSTNAME" -ComputerName "NAMESERVER" -ZoneName "statoilfuelretail.com" -AllowUpdateAny -IPv4Address "1.1.1.1" 

Remove-DnsServerResourceRecord -ZoneName "statoilfuelretail.com" -RRType "A" -Name "NAME" -ComputerName 1.1.1.1

Add-ADGroupMember groupname "username"

remove-ADGroupMember groupname "username"

Get-ADGroupMember groupname 




New-ADGroup -Path "ou=Groups,ou=NAME,dc=DN_NAME,dc=com" -GroupScope 1 -server SERVERNAME -Name GROUPNAME




Create a structure of folder from another folder with NTFS security setting:




robocopy c:\temp c:\tmp\test1 /zb /e /xf /sec *