When your question involves conversions to/from or idiosyncrasies of running on a CPU that uses 64-bit addresses.

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2answers
5k 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
3k views

Upgrade a 32-bit RHEL installation to 64-bit

I recently encountered an issue where I had installed a 32-bit RHEL 6 server on a system with a 64-bit processor. I did some research and found that RHEL 6.0 has PAE enabled on 32-bit machines, which ...
3
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3answers
2k 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 (...
3
votes
1answer
2k views

Apache server 32 binaries vs 64 binaries? what's the difference

For Windows I used to download either 32 bit binaries from ASF site or 64 bit binaries from Apache lounge site (for no particular reason). So - that was the way I new what version I have. I've ...
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 ...
3
votes
2answers
540 views

Linux distro installation on 64 bit processor

I am trying to install Ubuntu/Fedora 64 bit versions on my machine and they shout back saying my CPU does not support x86_64 bit architecture and forces me to use i686 versions. I am currently ...
3
votes
1answer
4k 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 Since official 64-bit Slackware is released, Slamd64 is no longer maintained.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
503 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
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1answer
14k 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 /home/jhendrix/.swt/lib/linux/x86/libswt-pi-gtk-...
2
votes
3answers
447 views

Will a 32-bit linux OS work on modern desktops that are compatible with 64-bit?

I'm building a minimal "appliance" via SuseStudio (OpenSuse 13.x) - nothing fancy... just running some emulators on it. I'd like the OS to be compatible with as many workstations as possible so I'm ...
2
votes
1answer
6k 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 grub-...
2
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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?.
2
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2answers
2k views

Cannot run JD-GUI with 64-bit shared libraries, needs 32-bit libraries

I was trying to use JD-GUI, a free Java decompiler program, on my Fedora 20 laptop today, but I was running into an error when trying to execute the program. $ '/home/jflory/Downloads/jd-gui-0.3.5....
2
votes
1answer
223 views

Can 32 bit applications on a 64 bit kernel use all the memory?

I know that the 32-Bit kernel can use PAE to allocate more RAM to applications with PAE (up to 64GB) as such I imagine if I am running 32 bit applications on a 32-bit kernel I can use all of my 24GB ...
2
votes
1answer
3k views

Pip install - CPU you selected does not support x86-64 instruction set

I'm trying to use pip install mysql-python inside a virtualenv container and am getting the error building '_mysql' extension gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-...
2
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4answers
1k views

/home/amnesia/myfile: command not found — 64-bit executable, 64-bit kernel

Trying to run an executable file on terminal (I am using Tails live OS), but I keep receiving an error message. I have set permissions already. The command I wrote: sudo ./home/amnesia/myfile I ...
2
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2answers
2k 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.
2
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1answer
933 views

Installing PCRE 32bit on RHEL 5 - resolving dependency for apache 2.4 install

I need to install Apache 2.4 32bit version on RHEL 5. I am not installing 64bit apache because the application running on the RHEL5 machine needs apache 32bit (or that's what I thinks because of the ...
2
votes
1answer
952 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 ...
2
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0answers
53 views

Possible to update Ubuntu 32-bit to 64-bit? [duplicate]

Can I update Ubuntu 15.04x32 to 15.04x64 or must it be a new/clean 64 bit install ?
2
votes
1answer
697 views

Only two 2GB memory available on 64-bit Linux kernel

I've just upgraded my Debian Linux (Wheezy) to a 64 bit kernel, as well as user mode binaries, in an attempt to make use of the 4GB of memory in the system without PAE. Exchanging the kernel and ...
2
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3answers
640 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 ...
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3answers
877 views

Why is it better to use a 64bit OS?

Speed/Security? Why should we choose to use 64 bit instead of 32 bit?
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2answers
5k 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 ...
1
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2answers
334 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 x86-...
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2answers
1k 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 ...
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1answer
1k views

What's the difference between 32 and 64 bit linux?

What exactly are the implications? Can a 32 bit linux run applications that are compiled as 64 bit? Or vice versa? I just got a new machine with an i5 processor, I installed a copy of Ubuntu 10.10 ...
1
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1answer
127 views

Should I bother installing 32-bit KDE libraries?

Running a (C)LFS-x86_64 Linux computer with 32 bit libraries installed in parallel in /{usr,}/lib32 (compared with /{usr,}/lib64 which contains the same libraries, plus a couple extra.) Finished ...
1
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1answer
310 views

32-bit on 64-bit: memory usage for multiple processes

I'm working on a Linux hosting solution for game server software, however the software in question is 32-bit and I'd be running 64-bit on the host. Now, I know I can run 32-bit apps on a 64-bit host ...
1
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1answer
39 views

How to set default personality for a kernel?

I'm trying to replace a 32-bit kernel with a 64-bit one on a 32-bit system, so that I had the complete support for 64 bits for the apps which need it (provided they have the necessary libraries or are ...
1
vote
1answer
466 views

Cannot run 32-bit executable on 64-bit system with multi-arch support [closed]

I compiled a 32-bit executable for a Linux machine. It runs on most Linux distros without trouble. However, on Ubuntu 16.04 LTS, I get the No such file or directory error when trying to execute it. ...
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1answer
63 views

Why is 64bit Ubuntu running Slower? [closed]

I have 2 mostly identical machines, and Acer and a Lenovo, both with Intel Atom 230 CPU @ 1.60GHz and 1GB of DDR2 RAM. The acer has a fresh install of 64Bit Ubuntu 14.04 LTS while the Lenovo has the ...
1
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1answer
48 views

Is it possible to migrate (some) settings when changing from 32-bit to 64-bit?

I have a laptop with Linux Mint Rosa (17.3) installed on it. It's the 32-bit version, as I didn't even consider the possibility this several year-old laptop could have a 64-bit processor. As it turns ...
1
vote
1answer
370 views

What are the pros and cons of ia32-libs?

On my working install of Linux (Mint 17), I've been trying to avoid installing the ia32-libs package. When I've used it in the past, I recall a number of issues arising, most prominently significantly ...
1
vote
1answer
84 views

LVM + LUKS partition - Is this architecture dependent or independent?

I've been recently dealing with an LVM + LUKS partition trying to install a new linux (ubuntu in this case). I tried a few different options to make it work, but the pc resisted, the only system I ...
1
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1answer
91 views

Flash Debugger on Slackware 64

Given a fresh install of Slackware64, how can I install the 32-bit Flash Plugin content debugger in Firefox and Chrome? Reading through this question, I've got pretty close, but I'm stuck with with ...
1
vote
1answer
256 views

Replacement for TCT's pcat utility [duplicate]

I am looking for a utility to dump the memory of a running process that I can then examine for strings. In the past I have used pcat from The Coroner's Toolkit, but I am having a hard time finding a ...
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2answers
4k views

Kali linux dual boot with win 8 64 bit is not working

I have Windows 8 64-bit installed on my Lenovo Ideapad. I tried to install Kali Linux to dual boot with Windows by downloading Kali Linux 1.0.5 32-Bit ISO and then burning it into my USB stick using ...
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2answers
827 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 ...
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2answers
1k views

Hardware to install 64-bit OS

If I search on Internet for minimum requirements to install a 64-bit operating system, Microsoft and allied forums recommend 4 GB RAM as the minimum criteria. On the other hand, when I look at Linux ...
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1answer
77 views

Debian CrossGrading to amd64 - reboot shutdown missing

I just switched from 32Bit to 64Bit Kerner using this Tutorial https://wiki.debian.org/CrossGrading. However, I am missing the reboot command (probably a lot more commands are missing). And yes I am ...
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1answer
53 views

Why debian8 64 bit version can't be installed into my 64 bit virtualbox?

uname -a Linux hwy 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u6 (2015-11-09) x86_64 GNU/Linux The virtualbox installed on my pc is 64 bit version too,it is installed this way . dpkg -i ...
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1answer
1k views

Fedora 20 ACPI issues on black screen before log on

I installed Fedora 20 64-bit with the standard Gnome3 desktop environment and while booting a black screen is displayed with 4 messages in the following form: Failed to find handle for ACPI object ...
1
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1answer
77 views

Fujitsu Life book Debian Weezy 64-bit

Has anyone managed to get a 64 bit Linux installation on the Fujitsu Lifebook A3130 Currently have 32-bit Debian Wheezy but having troubles with building/Compiling Android and CyanogenMod. Having ...
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1answer
1k views

Debian unstable: ia32-libs can not be used

After an dist-upgrade within Debian unstable (amd64) I can not use 32 bit programs anymore, because ia32-libs is not possible to install: # apt-get install ia32-libs Reading package lists... Done ...
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1answer
687 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. ...
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1answer
4k 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 ...
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1answer
4k 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 ...
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1answer
3k views

Differences between Debian bigmem and amd64 kernels

Debian 6 has multiple Linux kernel packages, and I'm interested in two of them: linux-image-2.6.32-5-686-bigmem linux-image-2.6.32-5-amd64 Consider that: I'm not going to be running any ...
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0answers
31 views

32 bit versions vs 64 versions of Linux [duplicate]

I am currently using various live Linux versions. In most cases I have the choice between a 64 bit and 32 bit versions. Does 32 bit have any disadvantages other than slightly lower performance? ...