Questions about the 32-bit architecture also known as x86 , the common processor for netbooks and old computers.

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81
votes
16answers
70k views

What are the differences between 32-bit and 64-bit, and which should I choose?

What is the difference between 32-bit and 64-bit Ubuntu? I've heard the 64-bit platform performs better and can detect more than 4GB of RAM. Also, while some apps haven't ported to 64-bit yet, ...
63
votes
8answers
53k views

Is it possible to “upgrade” from a 32bit to a 64bit installation?

As per title, I wish to know if I can, after a successful 32bit setup and consequent software installations, update to a 64bit version. I know how to partition (actually one of the solutions is to ...
36
votes
2answers
3k views

Does the removal of i386 from the kernel mean Ubuntu is dropping 32 bit support?

I saw recently that the i386 CPU is not going to be supported in the Linux Kernel 3.8 so does that mean that Ubuntu will only be available in the coming years in 64-bit?
26
votes
2answers
21k views

How do you run a 32-bit program on a 64-bit version of Ubuntu?

I have a 64-bit version of Ubuntu 13.10. I want to run a 32-bit version of a program. However I see ia32-libs is not included in 13.10. Is there a replacement package for this or what?
23
votes
12answers
48k views

Cannot install ia32-libs

I don't know why I can't install ia32-libs. It claims for a dependency that cannot be found on repos. junior@mediacenter:~$ sudo apt-get install ia32-libs Reading package lists... Done Building ...
20
votes
3answers
52k views

How do I create a 32-bit WINE prefix?

How do I create a 32-bit Wine prefix on Ubuntu 12.04 64-bit?
18
votes
4answers
41k views

How do I apt-get a 32-bit package on a 64-bit installation? [duplicate]

I was trying to get a game working. But I have Lucid Lynx on amd64 running while the game binary was 32 bit (no 64 bit version available and nobody was in the mood for recompiling). It lacked ...
17
votes
7answers
28k views

Does Ubuntu Desktop 32Bit Support more than 4GB Memory with default installation?

Does Ubuntu Desktop 32 Bit support more than 4GB memory WITHOUT changing anything (Without having to activate PAE via compiling kernel or anything similar). Will installing the 32 Bit Ubuntu on the ...
17
votes
5answers
13k views

How do I upgrade from x86 to x64 without losing settings?

Is there an easy way to upgrade the system to x64 from x86 without losing settings and having to repartition etc?
13
votes
6answers
33k views

How to install 32 Bit Wine on 64 Bit Ubuntu?

Currently I'm running Ubuntu 11.10 64 Bit on my laptop and I want to install some Windows programs with Wine (Dreamweaver CS5/Starcraft II etc) but these programs require the 32Bit version of Wine to ...
13
votes
2answers
892 views

Why is mainstream Ubuntu still i386-compiled?

I pretty much believe (am I wrong?) that over 90% (if not over 99.9%) of Ubuntu 10.x i386 installations are run on i686 computers. So why is Ubuntu still not i686-optimized? The only case I can ...
12
votes
4answers
5k views

DVD with both 32-bit and 64-bit Ubuntu

Is there any such images in existence that will allow me to install 64-bit Ubuntu if supported, or fallback to 32-bit otherwise? I'm participating in an installfest by a new and unofficial LoCo, and ...
11
votes
3answers
2k views

How to check if my software is 32 or 64 bit

I want to check if my software is x64 or x32 bit (not os) this software is a executable file and when I check about no information is given if it is 64 or 32 so does anyone knows how to check if my ...
10
votes
6answers
37k views

Trying to install Steam ERROR: You are missing the following 32-bit libraries, and Steam may not run: not

I've ALready installed Steam But when i click on the program i get this message ERROR- You are missing the following 32-bit libraries, and Steam may not run: not I dont know what to install or EVEN ...
10
votes
3answers
9k views

Build 32-bit on 64-bit Ubuntu: installing ia32-libs does not include libstdc++

Googled for a while but drawn a blank. Need to build 32-bit app on 64-bit Ubuntu. Realise that I need to install ia32-libs. I have done this and apt-get tells me it's already at the latest version. ...
10
votes
3answers
30k views

Can I install a 32-bit Java in addition to a 64-bit version?

For normal development I'm using the 64-bit VM which comes when I install the Java development kit (OpenJDK) with the package manager. But there are some Java applications (containing native ...
9
votes
4answers
10k views

I Installed 64 bit OS in 32 bit Processor

As the title suggest, I accidentally installed 64bit Ubuntu 13.04 in 32bit Processor, and it is working fine for now (actually I feel my PC became more responsive). Will there be any problem in the ...
9
votes
4answers
27k views

How can I tell whether my Firefox is 32 bit or 64 bit?

I have a 64-bit Ubuntu. For the preinstalled Firefox I had to download the 64-bit plugins (Flash, Java); the 32 bit plugins didn't work. Then I downloaded Firefox from mozilla.org, which just has one ...
8
votes
5answers
2k views

How to install 64-bit .deb file on a 32-bit machine

I have Ubuntu 14.04. I recently downloaded Viber. The Viber .deb file has 64-bit architecture. I want to install it on my computer, but my computer only supports 32-bit. The output of running lscpu ...
8
votes
3answers
31k views

Install 32bit Java (OpenJDK) on 64bit Ubuntu 12.04 [duplicate]

I have to run Juniper VPN on the 64bit Ubuntu 12.04. I have installed openjdk-7-jre, openjdk-7-jdk and icedtea-7-plugin. After the browser prompts to install the Juniper VPN, I check it has been ...
8
votes
3answers
15k views

Ubuntu 12.04 LTS installer crashes

I am trying to install "ubuntu-12.04-desktop-i386" on my IBM M52 8213-W2B. Currently I am using windows 8 consumer preview. I am trying to install "ubuntu-12.04-desktop-i386" by booting directly ...
8
votes
1answer
21k views

How to fix “Unable to start services” in VMware Player 4.0.3. on Ubuntu 12.04 32 Bit

I just updated to Ubuntu 12.04 and installed the lastest VMware (4.0.3). When it starts it shows "Before you can run VMware, several modules must be compiled and loaded into running kernel". After ...
8
votes
3answers
30k views

amd64, i386 (32bit / 64bit) - Which version to choose?

Can every CPU (in my case a Intel i7 890) install both of them ? Amd64 and i386 ? I would like to install Ubuntu 64bit. So what is the right download ?
8
votes
2answers
598 views

How to cross-compile an existing deb package from 64bit to 32bit architecture

I have rebuilt a deb package with a custom patch for my computer which is a 64bit machine. I did it using: sudo apt-get -b source [package name] Now my question is, how to do that in a similar ...
7
votes
3answers
11k views

For a 32-bit kernel, what are the pros/cons of PAE vs. non-PAE?

I am using Ubuntu 12.04 32-bit. My kernels are PAE kernels. I know these are the kernels we can use for 32-bit OS which have 4 GB RAM, to utilize all 4GB of RAM. My system is a 32-bit system. So I ...
7
votes
3answers
16k views

Running 32-bit app under 64-bit linux

By mistake I have installed 64-bit linux(hey! it happens to every1!). How can I run 32-bit app under that linux?
7
votes
4answers
31k views

How to install XAMPP?

Hi all im a noob on Ubuntu/Linux World, So i need some that give a full tutorial to How to install Xampp from apachefriends.org correctly on Ubuntu 11.10 + all beyond Ubuntu for 32 bit and also 64 ...
7
votes
1answer
7k views

Why can't I install uTorrent Server on Ubuntu?

I've seen a detailed tutorial on installing u-torrent but after i enter, last line of code, it says: 'bash: /usr/bin/utserver: No such file or directory' syntax; utserver -settingspath ...
6
votes
5answers
3k views

Is it possible to burn a 64-bit Ubuntu Live CD on a 32-bit computer?

My wife has been using Windows Vista on her computer, and it has finally borked bad enough that she is willing to try Ubuntu. The system is pretty much unbootable as far as I can tell, and I need to ...
6
votes
2answers
9k views

Trouble compiling a 32 bit binary on a 64 bit machine

I'm trying to compile a c program as a 32 bit binary instead of 64 bit. I started by just adding -m32 and got some errors. Googling around a little I came across a note to install ia32-libs. ...
6
votes
4answers
12k views

How to remove all i386 packages from Ubuntu 64bit?

Over the time I installed many i386 packages, which I no longer need. How can I clean up the system and stay only with the amd64 packages?
6
votes
1answer
1k views

Assign more than 1 CPU/core to a process

I lost the password to open a PDF file I need to access, so I installed pdfcrack with the hope to recover my password. Actually it's one month that pdfcrack is running but I still am waiting for the ...
6
votes
3answers
6k views

Why does my laptop resume immediately after suspend? [closed]

I seem to be having some problem with suspend mode. Every time I try to suspend my laptop, it just locks the screen. Or maybe it successfully suspends just to resume only an instant after. What could ...
6
votes
3answers
2k views

Ubuntu 32 or 64 bit [duplicate]

Possible Duplicate: What is the difference between 32bit and 64 bit and which should I chose? I bought a new lenovo ideapad Y560 with corei5 processor and windows7 64bit, but beside the ...
6
votes
3answers
2k views

Firefox not detecting Flash 11

I installed the Flash 11 plugin using the software center (and have also removed the reinstalled it via command-line in the terminal), yet Firefox still claims the latest version of the plugin I have ...
6
votes
1answer
14k views

32-Bit UEFI Boot Support [closed]

I recently purchased a Dell Venue 8 Pro. I have read online about what it needs in order to boot into Ubuntu or any other Linux distro. From what I have gathered, what really needs to happen is ...
6
votes
2answers
4k views

Trouble with Ubuntu installation in VirtualBox

I'm having some problems getting Ubuntu to install. I'm running Windows XP Home (32bit) on an older Dell Dimension 2350 with 1GB ram, trying to install either Ubuntu 12.04 LTS (32Bit) or 13.04 (32Bit) ...
5
votes
5answers
7k views

How to find out if my system is i386 or x86_64 before installing Ubuntu?

I am using Windows as of now and want to install Ubuntu. I want to find out if my system is i386 or x86_64? How to do that? Thanks.
5
votes
4answers
11k views

Running 32-bit sun-jdk in 64-bit Ubuntu

I need to run 32bit sun-jdk on my 64bit ubuntu. I downloaded JDK and when run I get java.lang.UnsatisfiedLinkError: /opt/java/32/jdk1.6.0_31/jre/lib/i386/xawt/libmawt.so: libXtst.so.6: cannot open ...
5
votes
2answers
9k views

How can I install a 32bit python on 64 bit Ubuntu

I am using Ubuntu 10.10 (Linux pc07 2.6.35-27-generic #48-Ubuntu SMP Tue Feb 22 20:25:46 UTC 2011 x86_64 GNU/Linux) and the default python package (Python 2.6.6). I would like to install python-psyco ...
5
votes
2answers
133 views

What Free Ubuntu-Compatible Software Exists for the 3D Visualisation of Biologic Proteins and Peptides?

What Free Ubuntu-Compatible Software Exists for the 3D Visualisation of Biologic Proteins and Peptides? I asked this question ...
5
votes
1answer
2k views

How to resolve package conflicts installing LibreOffice 3.6.4?

The latest release of LibreOffice is 3.6.4, however only 3.6.2 is available in the software centre. I have installed the file available at ...
5
votes
2answers
2k views

Why (again) Ubuntu's recommended version (for 11.04) is 32bit, not 64bit? [duplicate]

Possible Duplicate: Why not use 64-bit Ubuntu? 11.04 is already available. But why 32bit is again recommended and what's "wrong" with x64 ? P.S. I know about this question, but this is ...
5
votes
0answers
571 views

Switching from 32 to 64 bit via upgrade [duplicate]

Possible Duplicate: How can I switch a 32-bit installation to a 64-bit one? I was quite sure myself that it's not possible to switch from a 32-bit to a 64-bit Ubuntu without a clean ...
4
votes
3answers
445 views

Is 32 bit Ubuntu installation necessary to install 64 bit Ubuntu?

I'm going to install Ubuntu 12.04 Precise Pangolin(x64) and this article says it requires clean install from 32 bit. Does it mean -- forgive me, I'm Turk and my English is not perfect -- "First ...
4
votes
3answers
566 views

I have a 32-bit machine, can I use programs that are meant for 64-bit processors?

I am using a 32-bit machine, but I am having to use a relatively obscure semantic database which only comes in 64-bit versions. What are my options for running it in my local dev environment? ...
4
votes
2answers
5k views

Can I install two Ubuntu versions on the same machine?

I have Ubuntu 10.10 32 bit already installed on my machine..I am using MongoDB and it does not work properly with 32 bit machine. So I want to install 64 bit Ubuntu 10.10 on my system on another ...
4
votes
2answers
6k views

How to switch from 32 bit to 64bit without reinstalling?

I have a laptop supports 64bit. I'm using Ubuntu 12.04 32 bit by a mistake I installed 32bit. Now I want to switch from 32 bit to 64 bit and a new version of Ubuntu 12.10 is also available so I want ...
4
votes
1answer
1k views

When using Ubuntu on a Live CD or USB, how can I determine if a different, inactive install is 32 vs 64 bit?

I was not able to determine by searching whether this question has already been asked and answered. My search always turned up some other 32 versus 64 bit question. I want to know if it is possible ...
4
votes
2answers
4k views

How to install a Lexmark z600 series printer?

It has been a headache trying to install this printer. All the tutorials I found are for older versions of Ubuntu, and none of them work. How can I install this printer? Edit: HOWTO: Install PITA ...