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| rajesh00001 |
 Posted: Wed Sep 07, 2011 9:33 am Post subject: Required files need to be edit before MQ installation |
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Apprentice
Joined: 08 Sep 2009
Posts: 34
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Hi Freinds,
I gone through many documents, but didn't get any answer .so finally came to guys.
Is there any Operating System related files need to be edit before doing MQ installtion in LINUX and is it mandatory?
Thanks,
Ramesh Chukka |
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| Vitor |
| Posted: Wed Sep 07, 2011 9:38 am Post subject: Re: Required files need to be edit before MQ installation |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| rajesh00001 wrote: |
| Is there any Operating System related files need to be edit before doing MQ installtion in LINUX and is it mandatory? |
You need to make the changes shown here.
Note that these are the minimums; you might well want to consider more depending on how the install is to be used.
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| rajesh00001 |
| Posted: Wed Sep 07, 2011 9:45 am Post subject: |
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Apprentice
Joined: 08 Sep 2009
Posts: 34
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Thanks Vitor.
If we need add somthing as per project requirment then we can edit and change the files configuration.
But I am asking for the default installation is required to change any files?
Thanks,
Ramesh |
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| Vitor |
| Posted: Wed Sep 07, 2011 9:47 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| rajesh00001 wrote: |
| I am asking for the default installation is required to change any files? |
Unless you already meet the minimums laid out in the documentation. Which is perfectly possible.
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| Vitor |
| Posted: Wed Sep 07, 2011 9:50 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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Ok, pedantically you don't need to make any changes to do the installation. It's just that there's a very good change any queue manager you create won't work properly or at all if you don't.
So it's a bit pointless not. 
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| rajesh00001 |
| Posted: Wed Sep 07, 2011 10:02 am Post subject: |
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Apprentice
Joined: 08 Sep 2009
Posts: 34
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Thanks Vitor,
You are correct.
I faced one interview and they asked question like as below.
What are the Operating system files we beed to edit before starting MQ installtion, which means to complete MQ installtion successfully?
Answered like : none of the file
Could you please tell how can youanswer of this question?
Thanks,
Ramesh |
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| ramires |
| Posted: Wed Sep 07, 2011 10:19 am Post subject: |
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Knight
Joined: 24 Jun 2001
Posts: 523
Location: Portugal - Lisboa
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I believe there isn't a definitive answer, from the Infocenter:
"RPM creates the mqm user ID and group ID as part of the install procedure if they do not exist. You might need to create the IDs before running the installation procedure."
You need to create a user and a group, this is done during installation, but in fact you are changing a file. |
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| Vitor |
| Posted: Wed Sep 07, 2011 11:00 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| ramires wrote: |
| I believe there isn't a definitive answer, from the Infocenter: |
Yes there is, and there's at least 1 file you need to edit explicitly which the InfoCenter talks about.
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| Vitor |
| Posted: Wed Sep 07, 2011 11:00 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| rajesh00001 wrote: |
| Could you please tell how can youanswer of this question? |
No. We don't do interview questions here. 
All you need is in the InfoCenter.
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| ramires |
| Posted: Wed Sep 07, 2011 4:33 pm Post subject: |
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Knight
Joined: 24 Jun 2001
Posts: 523
Location: Portugal - Lisboa
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| Quote: |
Yes there is, and there's at least 1 file you need to edit explicitly which the InfoCenter talks about. |
Hmm, ok!
I did a few installations and don't remember editing a file... I need to re-read the Infocenter  |
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| gbaddeley |
| Posted: Wed Sep 07, 2011 4:54 pm Post subject: Re: Required files need to be edit before MQ installation |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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| rajesh00001 wrote: |
Hi Freinds,
I gone through many documents, but didn't get any answer .so finally came to guys. Is there any Operating System related files need to be edit before doing MQ installtion in LINUX and is it mandatory?
Thanks,
Ramesh Chukka |
There are a number of sys admin tasks to prepare for MQ installation which may result in OS files being changed, eg. kernel parameters, userid & group creation, file system creation, initd config & scripts to auto start the qmgrs.
But as far as mandatory OS files to edit before running the rpm installation, I don't think there are any mandatory files. If the kernel parameters are OK, there would be no need to edit /etc/sysctl.conf. I recently did a Linux MQ install and didn't edit any OS files *before* doing the install.
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Glenn |
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| rajesh00001 |
| Posted: Thu Sep 08, 2011 3:34 am Post subject: |
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Apprentice
Joined: 08 Sep 2009
Posts: 34
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Yes gbaddeley, you are correct.
There is no mandatory files to edit, we have to edit file to change perameter values as per our requirment.
Thanks,
Ramesh |
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| Vitor |
| Posted: Thu Sep 08, 2011 4:11 am Post subject: Re: Required files need to be edit before MQ installation |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| gbaddeley wrote: |
| But as far as mandatory OS files to edit before running the rpm installation, I don't think there are any mandatory files. If the kernel parameters are OK, there would be no need to edit /etc/sysctl.conf. |
But it is mandatory to check /etc/sysctl.conf (nice fish!) to check the values. As I said above, they may well be above the minimums needed already.
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| bruce2359 |
| Posted: Thu Sep 08, 2011 12:59 pm Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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Another good answer to this question would be to refer to the Quick Beginnings manual for the platform, AND for this version of WMQ to be installed.
As an interviewer, I want to know that the interviewee knows how and where to search for things.
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| gbaddeley |
| Posted: Thu Sep 08, 2011 5:26 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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Trick question? There are no mandatory OS files to edit, but there might be a need to edit OS files (eg kernel parameters if they are below the minimum recommended values).
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Glenn |
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