Questions tagged [specifications]

35 questions
23
votes
4 answers

How can someone get a single character domain?

Last time I tried to register a domain of 2 characters it told me it had to be of more than 2 characters. How is it possible that paypal has http://x.com Is there a special way to go about this? obviously - a.com - b.com c.com are not taken(else…
DMin
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13
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3 answers

What is the difference between pvc and plenum cabling?

I'm looking into buying a few rolls of bulk Cat6 cable to wire up a few cubicles to a test rack we have. One of the choices is PVC cable versus Plenum cable. What is the difference? Will this make any difference with crimping or…
romandas
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7
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7 answers

Can a server have "too much" RAM? Is there an optimal level of RAM, or is more always better?

Recently, I had our server admin tell me that the new servers we'd ordered with 140GB of RAM on them had "too much" ram and that servers started to suffer with more than about 80GB, since that was "the optimal amount". Was he blowing smoke, or is…
SqlRyan
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4
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3 answers

How to understand the LSI HBA connector specs?

When reading the specifications for the LSi SAS 9206-16e HBA, it says Storage Connectivity; Data Transfer Rates * 16 ports; 6Gb/s SAS 2.1 compliant SAS Bandwidth * Half Duplex 2400MB/s, x4, 6Gb/s SAS lanes Port Configurations * 16 ea, x1 ports…
Sandra
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3
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1 answer

Spec for a Terminal Services box?

Currently, we have a test TS machine at work, which has a dual core Pentium 4 3GHz CPU, and 1.5GB of RAM, running 32bit server2003 (I didn't built it, not my choices). My boss wants to get this using Terminal Services, for about 50 light users…
Dentrasi
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3
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4 answers

Are there any good tools for reporting on a computer's specs?

I have a client who has a computer they want to upgrade. They are unable to tell me the specs of this computer and they're not the type of person I could walk it through with. Ideally, I'd like to send them an application (or a link to an…
Damovisa
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3
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3 answers

Need advise on choosing aws EC2

I'm planning to host a website where in the first phase I would target 30,000 users. It is in php and runs on Apache server. I'm assuming 8,000 users can be online in worst case scenario and 1000 of them will be uploading photographs. A photograph…
3
votes
1 answer

How to determine hardware requirements

I've been asked to spec the server hardware requirements for the application I'm currently developing and I'm not confident in my own abilities to do this correctly. I would ideally like a step by step list of how to do this myself, but reading…
s1mm0t
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3
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3 answers

Does this machine answer our database needs?

We have an application which runs already with its database on server. Because of the large amount of I/O (read and write) from this applications database we have very slow responses to our queries. So, we've decided to build a new server machine to…
Fotis
2
votes
2 answers

How to document mail setup after hand-over

I've just moved a client's email services over from my host to Google Apps. I would like to hand over a document providing all they (or their agent) need should I not be available etc. How are such documents normally structured, and what level of…
ProfK
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2
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4 answers

Why is the TCP checksum inverted?

From the Wikipedia page: The checksum field is the 16 bit one's complement of the one's complement sum of all 16-bit words in the header and text. Why, after summing the 16-bits in the header and text, is the one's complement taken to compute the…
Randomblue
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2
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1 answer

Are *.domain.com wild card SSL certificates expected to or required to only be used by 1 IP?

Are *.domain.com wild card SSL certificates expected to or required to only be used by 1 IP? Such that site1.domain.com is on ServerX and site2.domain.com is on ServerY where both servers have unique ip addresses. Is this valid to share the…
Chris Marisic
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vote
4 answers

Are there any open standards for server failover?

I'm building a client-server application and I am looking at adding failover to the client so that when a server is down it will try to connect to another available server. Are there any standards or specifications covering server failover? I'd…
Supertux
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Future for Web Proxy Auto-Discovery IETF Draft Specification?

What future can we expect for the Web Proxy Auto-Discovery Internet-Draft specification by the IETF? I see a page on the MS MSDN website that describes MS current WinHTTP AutoProxy Support that provides a link to a document that expired in 2001 and…
BeowulfNode42
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Dedicated Server Specification Advice for MYSQL/PHP Website

Im buying a dedicated server to run an existing website which receives 90,000 visitors per day. The specification is below. The website isnt too complicated, mainly mysql searches of a table containing 60,000 records, but will have quite a lot of…
mark
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