Tagged Questions

The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
1answer
256 views

how to patch PKGBUILD to lib32

I installed Poco library on my Arch64 system using AUR. Sources were downloaded, compiled and the package succesfully installed. But now I need to patch the PKGBUILD so that I can compile 32-bit ...
1
vote
2answers
267 views

Virtualbox 64bit image on 64bit computer without virtualization support

I have a 64 bit image for VirtualBox (.vmdk file), and I don't have a 32 bit version. My computer doesn't support hardware virtualization. Logically VirtualBox says: This kernel requires an ...
4
votes
1answer
129 views

User Mode Linux compile fails

I am trying to compile User Mode Linux on a 64 bit machine with defconfig and getting the following error. arch/x86/um/user-offsets.c:1: sorry, unimplemented: code model "large" not supported yet ...
3
votes
2answers
43 views

Running -march optimized software on another architechture?

I'm running an Athlon64 server with LFS and would like to have a local copy of the server in a virtual machine for testing purposes and building software. My PC uses an i7 and the existing server ...
1
vote
1answer
7k views

Missing 32 bit library on a 64 bit Linux install

I am trying to figure out why Eclipse is complaining about being unable to find a library. I've managed to reproduce/reduce the java problem to: $ ldd ...
4
votes
2answers
401 views

Does sysctl kern.bufcachepercent not work in OpenBSD 5.2 above 1.7GB?

I run OpenBSD/amd64 5.2 on a system with 12GB of RAM, and I want to use about 6GB to 8GB for filesystem caching. By default, 5.2 amd64 comes with sysctl kern.bufcachepercent set to 20 (20%); I've ...
0
votes
2answers
520 views

Why won't my binary run?

I have a binary that runs on my Debian Squeeze system, but then it doesn't do anything on my Debian Wheezy (kernel Linux 3.2.0-4-amd64) system. Both systems are 64 bit, while the executable is a 32 ...
0
votes
1answer
270 views

Debian on 64 bit Intel Core 2 Quad

I just ordered a new SSD, and so I am planning to reinstall my Debian system. I have an Intel Core 2 Quad CPU (Q9450). Does it make sense to install the 64bit version (I have just 4GB of RAM, plus 1GB ...
4
votes
2answers
3k views

What a 64 bit Linux can do that 32 bit linux can't?

I ordered a server from fdcserver. Then I realized that, unless changed, fdcserver actually provides 32 bit operating as default. I logged in using SSH, typed uname -m, and to my horror I saw that I ...
0
votes
0answers
567 views

Java SWT App: Need 64-bit swt.jar

I have a Java app that I want to run in Ubuntu, but I have Java 64 so I can't run it because it only has the 32-bit swt.jar. I can't build it myself, so Is there anyone that can provide the 64-bit ...
4
votes
3answers
10k views

How to run 32 bit programs on 64 bit Fedora 17?

Although the Android Development Tools (ADT) bundle is available as a zip package for 'Linux 64 Bit' it states following requirements: 64-bit distributions must be capable of running 32-bit ...
2
votes
1answer
578 views

Where is max process size specified?

I've got a RHEL4 machine with 1TB of memory and have discovered that malloc and mmap refuse to allocate any memory above 512GB. Meanwhile, I don't seem to have a problem with RHEL5 machines. I'm ...
30
votes
2answers
2k views

Why are 64-bit distros often called 'amd64'?

I am downloading an ISO image of Lubuntu; they have two versions: 32 and 64. But why do they call the 64 version amd64 since they say that it works for Intel also?
6
votes
1answer
511 views

Files bigger than max(off64_t) on Solaris, eg “/proc/../as”

How do I read or seek from a file that's bigger than the maximum off64_t? The problem arises because the address space of a process is represented in the /proc/.../as file, which is a huge sparse file ...
1
vote
1answer
4k views

Raid 0 Linux Installation fails to install grub

I have a Raid 0 setup (striping) via BIOS not through software raid. When I install linux mint or Ubuntu it fails to install the boot loader or set the boot loader to boot. I get an error stating ...
1
vote
1answer
564 views

64bit Linux or 32bit Linux with PAE kernel causes x server to crash on boot

I have a home server that was running 64bit Linux Mint with Core 2 Duo, 4GB ram, nvidia 7950GT, and RAID 0 two 150GB drives. It was running fine til the power supply failed and I had to replace it. ...
1
vote
2answers
604 views

is it possible to use w32codecs on a 64bit system?

Is there any chance I can load binary codecs on 64bit arch linux ? I have few .dat files that works great under 32bit windows xp, with smplayer (after downloading codecs), but on 64bit Linux, I got ...
2
votes
2answers
1k views

GParted LiveCD: Is there a version with a 64-bit kernel?

I'm trying to chroot with the GParted LiveCD onto an existing 64-bit system, attempting to fix grub.
4
votes
2answers
7k views

How to install JRE on firefox with fedora (64bits)

What do I need to run Java web applications on firefox with my 64bits fedora 17? I can't pass this test but I have installed the x64 rpm from there. What is missing? Additional note: I tried to ...
1
vote
3answers
556 views

Why is it better to use a 64bit OS?

Speed/Security? Why should we choose to use 64 bit instead of 32 bit?
7
votes
1answer
4k views

Where did /usr/lib64 go and what is /usr/lib/x86_64-linux-gnu?

I have two Ubuntu-x86_64 systems. One is version 10.04, the other 12.04 and there is a difference in the structure of the lib directories. This doesn't surprise me, but I'm curious if anyone knows ...
5
votes
2answers
7k views

error while loading shared libraries: libGL.so.1: cannot open shared object file: No such file or directory

anisha@linux-y3pi:~/> google-earth ./googleearth-bin: error while loading shared libraries: libGL.so.1: cannot open shared object file: No such file or directory anisha@linux-y3pi:~/> locate ...
6
votes
1answer
2k views

Can Yum express a preference for x86_64 over i386 packages?

I run a 64-bit version of CentOS5. At the moment, when I run Yum updates or installs, unless Yum is purged of i386 packages prior, it will install i386 packages when x86_64 are available. Is it ...
14
votes
6answers
6k views

How to convert a 32-bit (x86) Debian Wheezy system to 64-bit

I have a 32-bit system which runs on a 64-bit processor. How do I convert it to be all-64-bit, without re-installing? I have seen somewhere that it is doable as a result of the new Multiarch ...
2
votes
3answers
503 views

Why does Linux on sparc64 architecture use 32-bit pointers in user-space and 64-bit pointers in kernel-space?

What are the advantages of deviating from the norm; that is 64-bit pointers in both user and kernel space for a 64-bit architecture? Reference: http://lwn.net/images/pdf/LDD3/ch11.pdf (Page 2)
9
votes
1answer
2k views

How can I determine if my processor is 64 or 32 bit? [duplicate]

Possible Duplicate: How do I know that my CPU supports 64bit operating systems under Linux? I am running Debian Squeeze, how can I determine whether my processor is 64 or 32-bit? I'm ...
9
votes
4answers
3k views

Running 64-bit Linux with 750 MB of RAM: worth it?

I have a Debian server VPS, and the provider installed 64-bit Debian 5. Should I ask for an 32-bit install, given that I have only 750 MB RAM and I have heard that variables take more RAM on 64-bit ...
6
votes
3answers
742 views

Why does the i386 version of software get installed on an x86_64 system?

Why does the i386 version of most software get installed along with the x86_64 version on a CentOS 5.8 64-bit system? # yum install php-xml Loaded plugins: fastestmirror Loading mirror speeds from ...
1
vote
1answer
2k views

amd64 or i386? VirtualBox can't start client VM

My Debian kernel is linux-image-2.6.32-5-amd64, and the command uname -m returns x86_64. However, apt-get does get i386 packages (those /var/cache/apt/archives/*_i386.deb), and never gets amd64 ...
8
votes
3answers
7k views

64-bit Linux doesn't recognize my RAM between 3 and 32 GB

My problems were caused by a faulty memory module and quite possibly a broken kernel binary. I just now booted my PC with basically brand new hardware. I've been running Debian 6.0 AMD64 before, ...
5
votes
1answer
784 views

Is 32bit still preferable to 64bit? [duplicate]

Possible Duplicate: Should I install 32 or 64 bit? I want to migrate from Ubuntu to OpenSUSE, and I need to decide between the 32bit and the 64bit versions. 6 years ago, when I purchased a ...
6
votes
1answer
867 views

User Kernel split in 64bit Linux

What is the default user/kernel split in the 64bit linux ? I read Documentation/x86_64/mm.txt (which someone pointed out), but I could not make out. Can somebody provide a direct answer (something ...
3
votes
1answer
612 views

Is highmem relevant in 64 bit Linux? If not, why?

Somewhere on the web, I read that 64bit Linux kernels do not have a highmem issue. I did not find any explanation/detail as to how/why it is not an issue. Can somebody explain?
1
vote
1answer
3k views

“No such file or directory” when I clearly see the file listed with correct permissions [duplicate]

Possible Duplicate: Getting “Not found” message when running a 32-bit binary on a 64-bit system Ok I feel like I'm having some sort of brain fade moment, please help me out. I ...
3
votes
1answer
3k views

How to run 32-bit applications on 64-bit Slackware?

I used to use Slamd64 before, and it was easy. It came with all 32-bit libraries as well. Since official 64-bit Slackware is released, Slamd64 is no longer maintained. However, Slackware seems to be ...
3
votes
1answer
2k views

Problem with executing Firefox version 9.0.1

I cannot run firefox version 9.0.1. When i try to execute the binary firefox I get an error -bash: ./firefox: cannot execute binary file. The info returned by file is as follows: firefox: ELF 32-bit ...
4
votes
3answers
284 views

Linux executable sandboxing?

I'm running a service that allows users to submit code which is compiled and executed on the server. At the moment I'm using Moe and while it works fine for C and C++ code, I've been having some ...
5
votes
4answers
2k views

Should I install 32 or 64 bit?

I'm going to be installing linux on my 64bit netbook. Last time I checked I was advised that for personal computers (not servers) it is best to install the 32bit version. I believe the reasoning was ...
2
votes
1answer
4k views

Arch Linux 64bit Android ADB?

I am trying to use the Android SDK on Arch Linux 64bit but when I try to run ADB from the correct dirrectory it says the file does not exist, but it is there. On Ubuntu when you have this problem you ...
3
votes
1answer
367 views

Moving from Ubuntu 32bit: Mint 64bit or Mint 32bit?

I have decided to try out Linux Mint instead of the horrible Ubuntu Unity experince. I have a separate partition for my /home folder, which I'd like to preserve of course. So I'm curious: is it ...
3
votes
1answer
458 views

Why does Ubuntu recommend download the 32-bit version?

Why does Ubuntu recommend download the 32-bit version? On their 32bit_and_64bit Page they even say Unless you have specific reasons to choose 32-bit, we recommend 64-bit to utilise the full capacity ...
2
votes
2answers
1k views

How to determine bitness of hardware and OS?

Output of uname -a on my RHEL 5.4 machine is: Linux <machine name> 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux Does it mean that hardware is 64 bit ...
4
votes
2answers
284 views

linux mint 11 64 bit Citrix Client

Does anyone have Citrix Client 64 bit client working on Linux Mint 11? Been searching for a while and applying several suggestions without success. I've even attempted to get the 32 bit version of ...
1
vote
2answers
3k views

What is the maximum memory a 64bit process can consume?

I know that there is a hardware capacity of 2^48 bits, and I know that there isn't a lot of native limiting of app memory constraints in general by the kernel, but is there an upper bound of the ...
3
votes
1answer
1k views

When executable files aren't [duplicate]

Possible Duplicate: Can't execute some binaries in chroot environment (zsh: Not found) Today I ran into something that has me stumped. A co-worker is working with a specific ...
0
votes
1answer
391 views

Gnome Update Manager stays at 100 % system load

I experience a strange behaviour on my Debian (Wheezy x64) every time I use the Gnome Update Manager. While downloading the files, the CPU load stays low. (click for better resolution) When the new ...
2
votes
3answers
488 views

Installer not booting on Intel Atom 64bit CPU [closed]

I used to have Debian 6, the 64bit version working fine on this system. I'm now trying to install Arch (64bit) and the installer won't boot. Can anybody help me troubleshoot this issue? EDIT: My ...
2
votes
1answer
2k views

Is there a tomcat 64 bit version

Is there a tomcat 64 bit version for Linux, I am using Red Hat Linux?.
7
votes
2answers
3k views

How can I install a 64bit Linux virtual machine on a 32bit Linux?

I've got a computer (Intel core i5) with 32bit Linux installed (ubuntu 11.04) and I would like to install a 64bit Linux virtual machine on it so I can test 64bit command-line applications on it.
6
votes
2answers
283 views

Running 32 bit app on a 64 bit Linux machine

Are there any performance drawbacks (CPU, Memory or IO) when running a 32-bit application on a 64-bit Linux? My main concern is inefficient utilization of pointers and memory blocks.