Questions tagged [architecture]
General questions about (UNIX) OS architecture
151 questions
4 votes
2 answers
894 views
How can I list all supported architectures of a package by apt command?
I need to download stress-ng deb package from a PC, and then copy it to an offline arm board. So, I tried apt download stress-ng:arm64, and get: Error: Unable to locate package stress-ng:arm64. Then I ...
- 167
2 votes
2 answers
107 views
Page table address field for uncached page
According to Bryant and O'Hallaron's (somewhat abstracted) model of the page table on Linux-like systems, each page table entry (PTE) has an address field that holds one of three kinds of value: (1) ...
- 121
1 vote
0 answers
88 views
Why are core-to-core latencies stochastic when the executable is run twice in succession but not stochastic within a run?
I'm benchmarking core-to-core latency on my server to find good core affinities. I'm trying to set the core affinities of two threads to different CPUs, and time the latency of message between the ...
- 11
1 vote
0 answers
46 views
Which component of the Linux (OS) stack handle BT speakers and smartwatches?
I reverse engineered Bluetooth interfaces of the UE Boom 3 speaker and Pebble 2 smartwatch, documented them and made Python scripts to use all the same features of their official iOS apps. I could ...
- 11
0 votes
0 answers
1k views
Cannot run 32 bit executables on a 64 bit system
I've been pulling my hair out for days trying to run a 32 bit binary on a 64 bit arch installation. When I do try to run it, using ./scarlet, I get this: bash: ./scarlet: no such file or directory ...
- 133
3 votes
2 answers
4k views
How to find out what is the Instruction Set Architecture (ISA) of a CPU?
In the Debian download CD/DVD images page they have different ISO's for the different instruction set architectures. How do I know what is the ISA of a CPU before I buy one? I know about using the ...
1 vote
1 answer
3k views
32-bit = i686, 64-bit = x86_64, ARM = ??? / What Linux Distros can my arm7 CPU install?
Okay, so I know when browsing lists of Linux Distros online, if I have a common 32-bit CPU from Intel/AMD, under "Architecture:" I should look for "i686", and for 64-bit I should ...
0 votes
1 answer
7k views
installing 32-bit architecture in amd64 linux
I'm trying to install 32-bit libraries so I can do stack smashing in a amd64 kalios.` The instruction for installation on a x86 linux would be: sudo dpkg --add-architecture i386 && sudo apt-...
