Re: [gembud] GEMPAK and AWIPS II Questions

Nathan,

8G of RAM isn't much if you are going to be ingesting a lot of data with LDM 
and running GEMPAK decoders/scripts. If you are going to just wget or cURL 
model data from NCEP and not run an LDM with a big queue then it would likely 
be OK.

I'd go with CentOS myself. I am not a huge fan of Linux (I am a Solaris guy) 
but where I have to use Linux I use CentOS and I have been real happy with it. 
Plus since it is Redhat based you will be good to go on AWIPS II which at this 
time will only run on CentOS/Redhat.

I'd go with 32-bit as AWIPS II isn't 64-bit (unless something has changed 
recently).

I am not familiar with TeamViewer but VNC works OK with GEMPAK assuming you on 
inhouse modern Gigabit network. However you are going to find that doing big 
radar or satellite loops or displaying big gridded data sets is going to be 
pretty slow. Even on a box with a decent graphics card and local monitor 
Solaris and Linux can be slow if you are using the standard Xorg drivers 
instead of say the Nvidia commercial drivers.

I don't think there is anyway AWIPS II will work well with 8GB of RAM..and 
Unidata lists 16GB as recommended. Remember it is Java based, so I think 16GB 
isn't going to be enough either (I know Unidata disagrees with the statement)..

This mailing list (gembud) is very helpful to folks starting out with GEMPAK so 
I am sure you can get tons of help.

Hope this was of some help. The vast majority of folks on this list are Linux 
devotees so they can help you out more there..

Robert Mullenax
CSBF Meteorology





-----Original Message-----
From: gembud-bounces@xxxxxxxxxxxxxxxx on behalf of Nathan Parker
Sent: Sat 7/27/2013 7:43 PM
To: gembud@xxxxxxxxxxxxxxxx; support-gempak@xxxxxxxxxxxxxxxx
Subject: [gembud] GEMPAK and AWIPS II Questions
 
Hi everyone,

I'm wanting to roll another GEMPAK installation, as well as possibly 
install AWIPS II once available. I have a few questions though before I 
get started.

I have an extra low power quad core machine outfitted with 8GB of RAM 
lying around (I'd just need to pop in a hard drive and boot up).

1. What would be the ideal version of Linux to throw on it? CentOS or 
Scientific Linux? Which version number should I shoot for, and should I 
go x86 or x64? It is a x64 capable processor.

2. I don't have a great monitor for this machine for Analysis purposes 
(just a VGA cheapy from Walmart, my big $1k LED monitor isn't compatible 
with the machine). After the initial installation, can I run the machine 
headless and VNC to it over the network? Could I also install TeamViewer 
on it and remote into it as well?

3. Could someone here assist me in getting data to work in GEMPAK so I 
can get the most out of using it?

4. Once AWIPS II comes out, could I upgrade to AWIPS II in place OK over 
8GB of RAM or do I need 16 on the data server? I have another machine 
running Ubuntu (with 16GB of RAM on it), and if I could install the 
client there and connect to the AWIPS II server running 8GB, I'd be OK.

Thanks!
-- 

Nathan Parker

President/CEO

Backyard Community Administrator/Backyard Stations Support

WeatherBug Backyard

by Earth Networks

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