[Carbon] Re: carbon info

  • From: "Bill Johnston" <bj@xxxxxxx>
  • To: "'Aaron Jensen'" <aaron@xxxxxxxxxxxxxxxxxx>
  • Date: Wed, 5 Nov 2014 09:42:23 -0800

Using the DisplayVersion property instead of just Version did the trick :)



From: Aaron Jensen [mailto:aaron@xxxxxxxxxxxxxxxxxx] 
Sent: Wednesday, November 05, 2014 8:02 AM
To: Bill Johnston
Cc: carbon@xxxxxxxxxxxxx
Subject: Re: carbon info


Aaron works great so far.  I have a working module to simply sys admin tasks 
for my team.  All of my functions can remotely dig up information on servers.  
Do you generally just use invoke-command with these cmdlets to get info on 
remote servers?  


Generally I use Invoke-Command to run Carbon on the remote server. We keep our 
automation platform checked into Mercurial repositories (which includes 
Carbon). The platform gets packaged and deployed to each server that needs it. 
Then we use Invoke-Command to execute server-specific setup scripts. But all 
the scripts we need are already on the server. We’re slowly starting to adopt 
DSC, which pretty much requires your stuff to already be on the server.


Generally, Carbon doesn’t have many (any?) functions that support running 
against a remote computer because it is focused on configuring applications 
running on those servers, not on managing the servers. It is a subtle 
difference, but you’ve run into one aspect of this: running a specific Carbon 
function against a X different computers.



I noticed the get-programinstallinfo cmdlet doesn’t have a –computername 
option.  Also, is the version property doesn’t appear to be correct unless this 
is the correct version.  :)


Version is a DWORD (32-bit integer) stored in the registry. After some 
research, it looks like the first 8 bits of that number are the major version 
number, the next 8 bits are the minor version, and the last 16 bits are the 
build number. I’ve created issue Update Get-ProgramInstallInfo to convert 
Version integer to a Version object 
  to get this fixed. Until then, I would use the DisplayVersion property, since 
I’m pretty sure that is what the Programs and Features control panel shows.

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