In a large enterprise an admin would need to keep track of all the domains in a AD forest, the domain names, the domain controllers (DC) , their IPs, and what FSMO roles does a DC hold. Wrote a little script to just do that…
Getting a know a new environment for a new client and I a quickly needed information about all domain controllers in the entire forest. Wrote a small little script to provide me all the information I needed:
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Import-Module ActiveDirectory function Get-AllDCsInForest{ [CmdletBinding()] param( [string]$ReferenceDomain = $env:USERDOMAIN ) $ForestObj = Get-ADForest -Server $ReferenceDomain foreach($Domain in $ForestObj.Domains) { Get-ADDomainController -Filter * -Server $Domain | select Domain,HostName,Site, IPv4Address, OperatingSystem, OperatingSystemVersion } } Get-AllDCsInForest| Export-Csv -Path C:\Scripts\AllDcs.txt -NoTypeInformation |
So had an interesting issue today where a Domain Controller (DC) was demoted yet the IP of the demoted DC was still showing up when running nslookup internaldomain.local Demoted DC: MWDC04 / IP: 10.14.111.111 I had done the metadata cleanup and tried many suggestions when googling the subject. To my surprise none of the solutions I … Read more
Covering one of the basic day to day task if you are a Windows Administrator; connecting to the domain controller. I try to minimize logging onto servers as much as possible. Your thought should be around connecting to the server remotely and doing the work as needed instead of natively logging on to it. I … Read more
CentOS guest instances in VMware sometimes come up with the boot error message:
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piix4_smbus 0000:00:007.3: Host SMBus controller not enabled! |
This error is being caused because VMware doesn’t actually provide that level interface for CPU access, but Ubuntu try to load the kernel module anyway. How to fix it:
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sudo nano /etc/modprobe.d/blacklist.conf |
add the line:
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blacklist i2c-piix4 |
Reboot. NOTE: for older versions use blacklist i2c_piix4 … Read more