The processor architecture of most PCs and servers, including the 386/486/Pentium/… (IA-32) 32-bit family and the amd64 64-bit family. Most x86 processors are made by Intel or AMD.

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Upgrading CentOS 6.7 to CentOS 7 on VMWare 11.0

I tried to upgrade(in-place) CentOS 6.7 to CentOS 7.0 on the various environments. I installed CentOS-6.7-x86_64-bin-DVD1.iso on VWware 11.0. And I followed the ...
104
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4answers
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What do the flags in /proc/cpuinfo mean?

How can I tell whether my processor has a particular feature? (64-bit instruction set, hardware-assisted virtualization, cryptographic accelerators, etc.) I know that the file /proc/cpuinfo contains ...
4
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2answers
2k views

SSE2 requirement for John The Ripper

I have a kinda problem about john in Kali x86. To make long story short, I can't allow to run john under Kali Linux 2.0 installed into LV, but as I remember I was able to run in older Kali and older ...
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0answers
19 views

who has loaded an identity mapped page table?

I want to understand Linux x86_64 's startup steps, after reading some articles and linux-3.14.65/Documentation/x86/boot.txt, and almost know that the first instruction to run in vmlinux is ...
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1answer
76 views

Maintaining single binary across Debian distributions

We are currently migrating our system from Debian 6 to 8. The agenda is to try to maintain single binary across OS platforms (x86 based) However, I tried running a Debian 8–compiled binary in ...
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1answer
40 views

Cannot compile a linux kernel for an ARM board [closed]

I am trying to compile a linux kernel (2.6.32.70) for an ARM board (versatilepb), it is my first steps in embedded linux. At the end of the compilation, two compressed kernel images are generated ...
0
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3answers
114 views

How to install 'build-essential:i386' on Debian 7.9 x64

I'm on Debian 7.9 (wheezy) x64, and I would like to install build-essential: i386. I already added i386 in dpkg --architecture, updated aptitude and installed java-jdk-1.6:i386 successfully. BTW, no ...
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4answers
8k views

32-bit, 64-bit CPU op-mode on Linux

I'm confused. Running Fedora Linux, lscpu yields: Architecture: i686 CPU op-mode(s): 32-bit, 64-bit ... But when I try to install a 64-bit program (Chrome) I get error like: ...
46
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8answers
146k views

How to determine Linux kernel architecture?

uname -m gives i686 and uname -m gives i686 i386 output in Red Hat Enterprise Linux Server release 5.4 (Tikanga) machine. I need to install Oracle Database 10g Release 2 on that machine. So, how can I ...
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1answer
46 views

What is the power dissipation of the CPU and how does it work?

I'm looking into TLP and there is this setting that I don't know what does it do: # Set Intel P-state performance: 0..100 (%) # Limit the max/min P-state to control the power dissipation of the CPU. ...
4
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1answer
196 views

Does Linux provide Predictive Self-Healing on x86?

Predictive Self Healing is a feature of the OS to predict, detect a fault with one of its components and automatically repair it. MINIX, Solaris OS and Linux on POWER all have this. But is it ...
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1answer
39 views

How to detect the architecture of the chroot from inside the chroot?

Let's say for example the host system is running Debian amd64. And on that system, another Debian i386 has been installed inside a folder using debootstrap. Then assume a shell script is running ...
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0answers
82 views

Debian x86_64 and 4 GB RAM

I bought additional 2GB of RAM and inserted it into my laptop. The BIOS sees 4GB of RAM but Linux sees only 3GB. Output of free -m: total used free shared buffers ...
3
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1answer
51 views

How to distinguish between v2 and v3 of Xeon processors?

I'm trying to determine what processor my server is running. I tried looking at /proc/cpuinfo, using lshw and dmidecode. In all of them I get: Intel(R) Xeon(R) CPU E31220 @ 3.10GHz How do I ...
2
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1answer
218 views

check-config errors on Linux 3.19.0 kernel, configured under Ubuntu 15.04 x86-64

I'm new to configuring Linux kernels, and am receiving the following errors when running config-check: check-config: /tmp/tmp.tnqExc0fHn/CONFIGS/amd64-config.flavour.generic: loading config ...
7
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1answer
97 views

Debian: what instructions do x86-64 binaries use?

I'd like to know whether binaries use (are compiled for) special instruction sets like SSE 4.1/4.2, AVX, F16C or not. How can I find out whether a binary in a package uses certain instruction sets? I ...
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0answers
47 views

Missing library in ia32-libs when compiling with gcc-3.4.6 in 32 bit mode

I installed gcc-3.4 on Ubuntu 14.04 and tried to run a program with the -m32 flag. #gcc --v gcc version 3.4.6 (Debian 3.4.6-5) When trying to run the program I receive the following error ...
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0answers
281 views

Installing Linux onto Teclast X80H x86 tablet

I'm trying to install Linux (any linux, but preferrably Ubuntu Mate) onto my cheap tablet Teclast X80H, which came preinstalled with WIN8/Android x86. Main specs are: CPU: Intel Bay Trail, 1830 MHz, ...
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2answers
1k views

Gifsicle on CentOS? x86_64

I am trying to install Gifsicle on my server which is CentOS x86_64. I do not know which package to use or how to install it. Can someone with experience help me out? http://www.lcdf.org/gifsicle/
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1answer
47 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
107 views

Linux Permissions UID 0 vs Ring 0

I am studying for a Computer Security exam, and I am struggling to understand the following sample question. 'Explain the difference between running in ring 0 on x86 and running as UID 0 in Linux. ...
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0answers
21 views

Copying build of Intel Edison to another

I'll preface by saying I am very new to programming devices such as the edison and I wasn't exactly sure where to ask this question. All of my searches outside of this site have not led me to the ...
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1answer
439 views

Added i386 support for wine, removed it now I can't remove the architecture

I've previously added i386 support in order to install wine32 with: sudo dpkg --add-architecture i386 Now I don't need wine32 anymore and removed it, then wanted to remove the i386 architecture ...
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2answers
13k views

Top “id” is using 50-99% of CPU

My i386 Lubuntu install is running with a constantly 100% CPU. Using top I have diagnosed "%id" as using up a lot of CPU, usually between about 50% and 99%. Why is this happening, and how can I stop ...
2
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1answer
151 views

All of system ram not available on Debian OS partition

I have a computer with a Windows 7 and a Debian OS disk partition. The computer has 12GB ram as can be seen when logged in on the Windows 7 OS. However, the Debian partition is only recognizing just ...
3
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2answers
1k views

Real mode and loading linux kernel confusing

As far as I know, protected mode will be activated in kernel and in grub stages it still real mode. My misunderstanding is: In real mode, total memory available for use is less than 1MB but how grub ...
2
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1answer
43 views

Can I trust in memory information of dmicode?

I want to buy 16gb memory for my notebook. I ran dmicode and found this information: Handle 0x0005, DMI type 5, 20 bytes Memory Controller Information Error Detecting Method: None ...
4
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2answers
2k views

Running X86 binaries on armv7

I am trying to run a SNBC USB printer on Raspberry Pi2. For that I need to copy the filter binary of the SNBC USB printer to /usr/lib/cups/filter. But the filter binary is compiled using a x86 ...
3
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3answers
4k views

Debian Wheezy rebooting instead of powering off

I'm having a weird issue with my Debian Wheezy desktop. When I try to shutdown the system (either from Gnome or from the command line with shutdown -h now) the computer automatically reboots. The ...
2
votes
1answer
64 views

Get device's bus port

How can I get a list of device bus ports? For example the parallel port is the 0x378. Is there a command to list each port and its device? On Windows it is possible looking device detail in the ...
3
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1answer
956 views

Turn system on by USB keyboard?

To hibernate my Debian Wheezy system, I run the following command: sudo sh -c 'echo disk > /sys/power/state' To wake up the system, I can press any key on my USB keyboard. My understanding of ...
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1answer
64 views

What is the register %gs used for?

All I was able to find out about the %gs register is, that it seems to be a free to use register on >32bit x86 architectures. It seems that a gs_change is executed before any system-call. Can someone ...
1
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1answer
242 views

Socket and Core information - How do I check empty sockets?

I am trying to grab the number of sockets and core information. Till now I found that one socket can have multiple cores. http://rcritical.blogspot.com/2010/09/finding-cpu-socket-and-core-using.html ...
15
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4answers
19k views

How do I know that my CPU supports 64bit operating systems under Linux?

How can I find out that my CPU supports 64bit operating systems under Linux, e.g.: Ubuntu, Fedora?
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2answers
89 views

Using another's device resources for software execution

I have an old weak laptop (core duo at 1.7Ghz) and a quad core phone(arm cortex a7). Both are running linux. Could I use phone's resources from laptop to execute(process) stuff for laptop? Is there ...
2
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0answers
319 views

How to run Ubilinux / u-boot under qemu (x86)

I wish to test Ubilinux (http://www.emutexlabs.com/ubilinux) before flashing it onto my Intel Edison board, which currently has Yocto on it. I am able to emulate Yocto for Edison with qemu, running ...
0
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0answers
83 views

Is it possible to use u-boot or redboot to boot a linux (minimal ubuntu) image on x86_64?

I am reading conflicting information about if this is possible or if it is a bad idea. I have used u-boot with Pandaboard but obviously this isn't x86_64 architecture. I have not seen any examples ...
3
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1answer
388 views

Unexpected processor/core counts for AMD processor

I wanted to determine if a machine has hyperthreading enabled or not. To determine this, I used advice I found online, which operates as follows: physical_proc_count = `grep "physical id" ...
1
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1answer
350 views

Will most Distros run on an old pentium d?

I am starting out in Linux for my first time and i'm wanting to know if the old Pentium D w/ p35 chipset will be compatible for most distros. It will be my "training" computer as I learn Linux. I am ...
23
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4answers
14k views

Using ABI_X86 in Gentoo

For one reason or another (I've been busy, I guess), it's been months since I've updated my Gentoo system. And, as you can imagine, this means there's a lot of packages (and USE changes) I need to go ...
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3answers
2k views

Difference between “machine hardware”, “processor type” and “hardware platform”

My Linux machine reports "uname -a" outputs as below: [root@tom i386]# uname -a Linux tom 2.6.9-89.ELsmp #1 SMP Mon Apr 20 10:34:33 EDT 2009 i686 i686 i386 GNU/Linux [root@tom i386]# As per man ...
4
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2answers
3k views

What determines whether an interrupt is IO-APIC-edge or IO-APIC-level?

Looking at the contents of /proc/interrupts on an x86 Linux, I see that some of the interrupts are IO-APIC-edge while others are IO-APIC-level. I wonder what determines the interrupt type, is it the ...
2
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2answers
3k views

Linux and Android apps on ARM vs x86

There are a plethora of low-cost ARM-based mini-devices coming out (Cotton Candy, etc). Some of these are Android-only, some Linux-only, and some allow both operating systems to run. The only issue ...
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1answer
95 views

How to install POV-Ray

I've Downloaded povlinux-3.6.tgz binary distribution and after ./install I got the message POV-Ray 3.6 installation This machine does not seem to be a Linux PC. This version of POV-Ray ...
0
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1answer
390 views

Role of the Intel P state driver

I searched high and low for what “Intel P state” is and what it does. I found out that it has to do with performance and power consumption. I learned that if you build it in the kernel, it'll becomes ...
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2answers
2k views

ld.so.preload doesn't differ x86_32 and x86_64

— It's known you can run x86_32 programms with x86_64 kernel if it was compiled with support for that. But dynamic linker doesn't provide any way to define a separate set of preload libraries for ...
2
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1answer
2k views

RAM for Kali Linux 1.0.9 VMWare 32 bit (i486)

How much RAM is the Kali Linux 1.0.9 VMWare 32 bit (i486) pre-configured to use. I have been searching on Google and various sites and cannot find the answer. I have limited, slow internet and need to ...
0
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1answer
266 views

Where do I find Mandriva netinstall?

Where do I find Mandriva Linux netinstall for i386? Do they even have a Mandriva netinstall?
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2answers
5k 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
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0answers
11 views

make: arm-elf-gcc: Command not found [duplicate]

I'm working on an application for a Moxa UC-7110, and I have installed their tool chain, which provides a cross compiler for their arm architecture on uClinux. I'm on on Ubuntu 12.04 LTS. I'm having ...