On Sun, 13 Dec 2015, Albert wrote:

> Dear:
>
> I am a new Scientific user and I've got some naive questions. I would be
> appreciated if somebody can give me some advice.
>
> (1) I found there are different iso file from:
>
> http://ftp1.scientificlinux.org/linux/scientific/7x/x86_64/iso/
>
> If I would like to install X64 plus 32 bit environment libraries, which
> one should I download? I am going to do some professional computational
> work under Scientific Linux, and many software may need various
> libraries such as: python, libsqt, libstdc, gcc, boost, perl and so on.

Either of the DVD ones.

>
> Would the following iso be sufficient for my purpuse?
>
> SL-7-Everything-Dual-Layer-DVD-x86_64-2015-04-07-7.1.iso 06-Apr-2015
> 11:37    6.6G

Yes but as the name suggests you need to burn to a dual layer DVD.

>
> (2) How can we install the 32bit library? I rember there is no any
> options of selecting 32bit library during the first refreshing
> installing Redhat. I don't know what's the situation of SL-7......

Same for SL 7.

>
> (3) If some library is missing from above DVD file, where can I can
> something additonal? How can we add local iso to software repository?
> How can we add a online address to software repository?

You can use YUM to install packages after the initial install via online 
access as this is available by default.

Adding ISO as a software repository would require that you make a 
"something.repo" file in /etc/yum.repos.d/  .  Look at existing ones for a 
example of what to do.

>
> (4) Recently I bough a very new laptop  HP pavilion SE 15 and the Wlan
> is intel dual band wireless ac 3165. I am just wondering, will SL-7
> support WIFI in the laptop?

I suspect so as Intel is fairly well supported.

>
> Thank you very much
>
> Albert
>

-- 
--

Connie J. Sieh
Computing Services Specialist III

Fermi National Accelerator Laboratory
630 840 8531 office

http://www.fnal.gov
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