2
votes
1answer
2k views

Run 64 bit app on 32 bit system (Ubuntu)

All the questions I've seen refer to running a 32 bit app in a 64 bit system. I'm running Ubuntu 12.04 32 bit (actually elementary OS Luna, which is based on it) and I'm trying to run a 64 bit app ...
0
votes
0answers
162 views

CMake Error “Cannot open options file specified with @”

I am having trouble OpenCV with the installation of OpenCV on my machine. I run Ubuntu 12.04. When I run the make command, the computer returns at some point this error: moc: Cannot open options ...
1
vote
2answers
3k views

D-Link DWM-156 HSPA USB Modem doesn't work with SIM card inserted

I have a D-Link DWM-156 HSPA modem, that I bought just a few days ago. The modem has drivers in its internal storage. There are Debian packages (.deb) for both i386 and amd64, so obviously I installed ...
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 ...
0
votes
0answers
515 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 ...
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 ...
3
votes
1answer
364 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
443 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 ...
26
votes
2answers
18k views

How do I run 32-bit programs on a 64-bit Debian/Ubuntu?

I have a 64-bit (amd64 a.k.a. x86_64) Debian or Ubuntu installation. I need to run 32-bit (i386/i686) programs occasionally, or to compile programs for a 32-bit system. How can I do this with a ...
1
vote
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 ...
4
votes
3answers
2k views

How come I installed Ubuntu 64 bit on a Pentium 4 machine?

I have just tried booting the Ubuntu 10.10 64 bit live USB on this machine and to my amazement everything works fine. I even installed the system, after which I checked with uname -a and the result is ...
3
votes
2answers
409 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 ...