In computer architecture, 64-bit integers, memory addresses, or other data units are those that are at most 64 bits (8 octets) wide. Also, 64-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size. 64-bit is also a term given to a generation of ...

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19
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10answers
37k views

How do I know if I am running 32 or 64-bit Linux?

what would be a command to run in different distros?
47
votes
16answers
117k views

64-bit Cisco VPN client (IPsec)?

Cisco VPN client (IPsec) does not support 64bit Windows. Worse, Cisco does not even plan to release a 64-bit version, instead they say that "For x64 (64-bit) Windows support, you must utilize Cisco's ...
23
votes
8answers
1k views

What benefits are there to running a 64-bit Operating System?

I would like to hear community opinions on reasons to switch, to utilise, or when one should consider a x64 platform. Plus are there any additional benefits of running 64-bit Windows 7? over 64-bit ...
5
votes
3answers
11k views

Windows Server 2008 x64, Large File Transfers, and Memory Usage

I'm following up on this: http://serverfault.com/questions/37605/copying-large-file-to-remote-server-causes-it-to-run-out-of-physical-memory But figured I'd post this separately. I have a 64-bit ...
5
votes
4answers
24k views

Administrator File Modification Privilege

Windows Server 2008 apparently allows an application to somehow configure the folder so that any changes made within the folder require administrator level access. I login with an account that has ...
14
votes
7answers
16k views

After upgrading to 2008 R2 Enterprise and installing more RAM, Windows can only see 4.00 GB

(I have also posted this on technet but I'm running out of ideas) I've upgraded from Windows Server 2008 R2 Standard to Enterprise in order to make use of more RAM. The server previously had 32GB of ...
1
vote
2answers
795 views

SQL Server wont start on my 64-bit virtualization slice

I have installed SQL server 2008 express on a 64-bit virtual box and the service wont start. Looking at the event log I get: Could not create tempdb. You may not have enough disk space ...
18
votes
3answers
13k views

How much overhead does x86/x64 virtualization have?

How much overhead does x86/x64 virtualization (I'll probably be using VirtualBox, possbly VMWare, definitely not paravirtualization) have for each of the following operations a Win64 host and Linux64 ...
6
votes
1answer
4k views

Is it possible to force a C# application compiled with the “Any” architecture tag to run as a 32 bit application on 64 bit windows?

I have a .Net application, compiled with the "Any" flag set for the architecture type. I am wondering if it is possible to force the application to run as a 32 bit application, on a(any) 64 bit ...
6
votes
4answers
1k views

Easy way to convert custom 32-bit AMI into 64-bit one?

I have customised (EBS-backed) AMI for running a demo version of an application of ours. (The AMI contains Ubuntu 11.04 with a Tomcat & MySQL setup for the app itself, and Jenkins for easy one-...
12
votes
6answers
32k views

Can I run 64-bit VM guests on a 32-bit host?

Can I run 64-bit VM guests on a 32-bit host? If I have a physical PC with 32 bit can I launch a VM that is 64 bit? What virtual machine software (Virtual PC or VirtualBox or other) would allow this? ...
7
votes
4answers
12k views

Windows 2008 Server SP2 64bit - TCP Connections never releasing after TIME_WAIT

We have an issue with Windows 2008 Datacenter edition SP2 64bit. We have a process that is polling very frequently and establishing new TCP connections. The system gets in a state where we end up with ...
2
votes
4answers
2k views

Which OS/distributions have 64-bit kernel and 32-bit userspace? [closed]

Which OS (or distributions) comes with 64-bit kernels (x86_64, SPARC64, PPC64, ..smth else?..) and 32-bit userland? I want all small userspace programs (like ls, cat, etc) to be 32-bit, because they ...
1
vote
3answers
24k views

Apache start failing after apache config modifications, showing syntax error, cannot load php5apache2_2.dll into server

I am stuck again with apache setup guys. I am working on a 64-bit system running Windows 7 professional with service pack 1. I copied the working php5 installation directory from teammates, copied the ...
5
votes
0answers
1k views

Process Managment memory-leak in Windows Server x64?

After clean install and boot of OS Windows x64 I launched cmd.exe (any other exe) and closed it. Then I launch rammap.exe (http://technet.microsoft.com/en-us/sysinternals/ff700229.aspx). On the 2nd ...
4
votes
5answers
286 views

Justifying a memory upgrade

My employer has over a thousand servers (running SQL Server 2005 x64 and a couple of other apps) all across the country. And in my opinion they are all massively underpowered for what they need to do....
3
votes
2answers
14k views

Unable to Create System DSN

Environment: Windows 7 Professional 64-bit Operating System Problem: (ODBC Data Source Administrator) Opening Administrative Tools -> Data Sources (ODBC) -> Click "System DSN" tab. Error: ODBC ...
2
votes
10answers
602 views

SQL2005 vs SQL2008

We are investigating replacing an existing SQL2000 server on Windows2003 (32Bit) with new hardware and a newer version. We are looking at an application that requires at least SQL2005, but will run ...
1
vote
3answers
759 views

PHP make install seems to end abruptly and does not update libphp5.so

I'm trying to compile PHP 5.3.3 and after a lot of ups and downs, I finally did 'make' it followed by 'make install' which just shows this: root@server [/tmp/php-5.3.3]# make install Installing PHP ...
5
votes
1answer
3k views

Windows Web Server 2008 R2 Max RAM 16 GB?

This is page: http://msdn.microsoft.com/en-us/library/aa366778%28v=vs.85%29.aspx I see: Windows Web Server 2008 R2 Limit on X64: 32 GB In my system display, I see: Only 16 GB are usable. Any ideas? ...
3
votes
2answers
11k views

x64 print driver keeps asking for x64 windows disk

I'm trying to install x64 printer drivers on a Windows 2003 R2 Standard x86 print server. I downloaded the amd64 folder locally to the server. When I try to install the x64 bit print driver it asks ...
1
vote
1answer
1k views

Limit Connections Per IP Windows 2008 R2 x64

Hello I have been searching for a solution to this, what I want to accomplish is the ability for me to define firewall rules that will limit the amount of connections to certain ports from the same ...
1
vote
4answers
6k views

Black screen when connecting via RDP to a Win 2003 server

Recently (eg. in the last week or two), when I RDP to one of our servers running Windows Serve 2003 64bit, the login screen is black. If you can guess what it is prompting, then you can still login, ...
1
vote
4answers
1k views

Is there any reason to use 64bit MySQL (and OS) on small databases?

I have a relatively small and happy MySQL 5.1 database living on a FreeBSD 7.1 64bit install. Because of incompatibility with our backup software and FreeBSD, I have to move the databases to a Linux ...
1
vote
1answer
4k views

Installing SQL Server 2008 32bit on 64bit : WoW64 error

Consider a problem installing SQL Server 2008 on Windows 7 x64. The installer gives some WoW64 error. Is it possible to install a 32-bit version of SQL Server 2008 on a 64-bit OS like Windows 7 x64? ...
1
vote
2answers
464 views

Should I run 32 bit and 64 bit production applications on a 64 bit Debian server?

I need to run 2 proprietary C++ applications, one is 64 bit and the other is 32 bit ,on a production Debian GNU/Linux server. Both have a lot of dependencies for libraries provided by debian. Here ...
0
votes
1answer
1k views

installing sql server 2008 32bit on 64bit os

Hey guys i am facing a problem installing sql server 2008 on Windows 7 x64. it gives some wow64 error. can some one tell me is it possible to install 32bit version on 64bit OS. if yes, then please ...
0
votes
2answers
4k views

postgres on 64 bit linux or 64 bit windows server 2008?

Postgres does not have a 64 bit binary for windows server quote "As there is generally no reason to run with shared_buffers > 256 - 512MB on Windows, there isn't a great deal of incentive to put in ...