Cent OS migration

[Enrique Arredondo]

On 5/9/2011 11:32 AM, Mike Schwartz wrote:
>
>> On 5/9/2011 10:46 AM, scooter6 at gmail.com wrote:
>>> Okay - the time is approaching where we're going to switch from SCO
>>> OpenServer to CentOS.
>>> I have a few questions.
>>>
>>> 1.  Is there a migration tool that will take all my existing users and
>>> 'import' them as users on CentOS?
>>> 2.  Does anyone have suggestions on specific hardware to use? We are a
>>> Dell shop if that matters.....
>>>        i.e.  How much RAM are people using on CentOS? (we have approx
>>> 60-75 users on during peak hours during the day, lots of processes
>>> running, etc and we have
>>>               several larger files that we run re-indexing on over
>>> weekends - currently, this takes about 18 hrs on our current system)
>>> 3.  Is setting up printers/drivers pretty simple on CentOS?
>>> 4.  What RAID configuration is best for speed and failover, etc?  We
>>> are a busy place and can't afford downtime.
>>> 5.  Can you run a backup to a USB drive using CentOS? If not, what
>>> backup solution is best?
>>> 6.  Does CentOS support dual processors?
>>> 7.  Is there a specific version of CentOS that seems to be more
>>> stable, etc than others?
>>> 8.  Other than exchanging our current licensing with filePro, is there
>>> anything else that needs to be done to the filePro files so they run
>>> on CentOS?
>>> 9.  For my many scripts that I have running, is there a big directory
>>> hierarchy difference on CentOS vs. SCO?
>>>        i.e. are user profiles still in /usr directory? Does the PATH
>>> variable need to change on my scripts? i.e. /usr/bin, /usr/local/bin,
>>> /etc, etc
>>>
>>> I'm sure I'll have more questions, but this is a good start.
>>>
>>> Thanks for any suggestions and/or input.
>>>
>>> Scott
>>> PDM
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>> May I ask why not RedHat Es 6 ? (you can download the ISO for free
>>       and try it or I can send you a copy in 64bit or 32bit versions).
>>
>>       You can still install it as a non registered machine and only pay
>>       support if needed. The only thing about CentOS is that I had an
>>       issue with the serial ports in the server not working with it and as
>>       soon as I installed RH ES 5 they started working. If I can assist
>>       you please let me know! I would like to see how fast filepro works
>>       on linux.
>>
>>       Cheers.
>       It was my understanding that if you don't pay for support on Redhat,
> you also don't get automatic updates or even manual updates.  In other
> words, yum and up2date don't work.  Or is there some place you can go to get
> automated updates without paying Redhat a lot of money?
>
>       I realize that if you are controlling a few of your own servers and
> have access to them around the clock, you can probably read the patch list
> and install the patches yourself.  However, when you have servers located at
> customer locations that might not even be turned on in the evenings or
> weekends, it turns out to be cheaper for them to pay the annual Redhat fees
> and get the patches much more easily than the do-it-yourself method.
>
> Mike Schwartz
>

That's right you would have to do the updates manually and it's pretty 
simple, but you're right for their annual fee support 8x5 you can rest 
assure that they will jump in case of an emergency. And it's 1/4 cheaper 
than what SCO charges us a year for just 5 support calls!!! like $2500 a 
year!