Questions tagged [hardware]

General questions about hardware under Linux/Unix. Use a more specific tag if applicable.

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What are the minimum specifications for Parrot OS?

I am using Parrot Security OS as my primary OS and I am facing laggy experience while using it. I am only using it for my web development work and penetration testing. I am only facing lag when I use ...
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Why is Fedora 33 loading modules related to Chelsio T4/T5 adapters on my laptop?

I booted Fedora 33 live on my laptop and I noticed some loaded modules related to what seems to be a whole Infiniband stack over some Chelsio T4/T5 adapters. This is a sample of lsmod output: ib_isert ...
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What does `dd if=/dev/zero of=/dev/null` actually measure?

I was doing some hard drive speed benchmarking and decided to try the following command to see what would happen: dd if=/dev/zero of=/dev/null After I canceled it, I got: (269 GB, 251 GiB) copied, ...
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handling non-standard escape sequences on a hardware terminal

This is somewhat exotic. I'm writing a program that uses an old vt100 compatible terminal (minitel 1b) as the user interface. My program access the minitel directly through /dev/ttyUSB0. Following ...
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input signal out of range error for high resolution on linux

My computer is dual boot with a windows10 and an ubuntu. Once I undeliberately striked the case, and a noise started from it. It seemed that this noise is from cpu fan. I restarted the computer, the ...
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Interrupt Nested, Sequencing [migrated]

I am reading the Linux Kernel documents and I have these questions(X86_64 Arch); When PIC sends an interrupt to CPU, will that disable that specific interrupt till the acknowledgement comes from CPU? ...
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What changes had to be made to linux kernel in order to support ryzen 5000 series processor?

AMD contributed patches to linux kernel during 2020 in order to make it run on ryzen 5000 series processor. Don't ryzen 5000 series processors implement x64 ISA? How are ryzen 5000 processors ...
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Linux wifi hardware that supports many managed interfaces

I need to aquire hardware (can be a wifi card or a router) that is capable of simulating many wifi stations on one wifi radio. Something similar to this (from arch linux wiki): $ iw list Wiphy phy1 .....
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Capture VGA Port

I have implemented an FPGA program in Verilog which outputs a video signal over an VGA port. When I hook it up to a monitor via VGA it works great and the image is displayed on the screen. I am now ...
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sensors-detect warning on I2C/SMBus

sensors-detect has this warning : Lastly, we can probe the I2C/SMBus adapters for connected hardware monitoring devices. This is the most risky part, and while it works reasonably well on most systems,...
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Manipulate the result of uname?

Is it possible to fool Linux what CPU, the amount of memory etc it runs on? I have a NAS running an obscure custom Linux distribution (Seagate's internal) that requires a certain hardware to enable a ...
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Flash Drive Information Extractor (for linux)

Is there a program for Linux, similar to Flash Drive Information Extractor, to help visualize USB controllers?
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Eyes begin to strain on 4k@60hz on Linux compared to MacOs, what to do?

I am working on Macbook Pro (mid 2015) connected to dual Dell P2514Q (via DisplayPort 1.2). It gives wonderful 4k@60hz, I enjoy the picture. However recently I installed Linux on the same macbook (...
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Thinkpad E14 gen. 2 AMD display freeze

After being able to circumvent the fn-keys issue with my Thinkpad E14 (AMD) an annoying defect came up. Sometimes the randomly freezes at an irregular interval and you have to hard shut down the ...
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Can I see an actual model of my Intel GPU in my distro's About screen?

When I go to the "About" window of elementaryOS I see this: Why doesn't it display the actual consumer-facing name of the GPU (Intel® Iris® Plus Graphics 640)?
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Tty vs User applications

If terminal/console is mapped to a tty (teleTypewriter), then how does other applications like Google chrome, notepad etc.. Read input, output from the keyboard?
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How to judge whether the cache is shared or private?

In general, l1 and l2 are private, and llc is shared. But I want to confirm if this is the case on my linux server. How can I know this information? The configuration of my server is as follows: Linux ...
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33 views

hard disk failure, diagnostic and fixing

There was a hard disk failure on my laptop. 500GB SATA disk. So I'll have to replace the disk and try to recover user data. Disk is about 4 year old. Not sure how serious the disk corruption is. I did ...
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How does preemption work during hardware I/O?

Say I have a device that uses SPI or another communication protocol to talk with my computer running Linux, Raspberry Pi for instance. For this communication to succeed, no interruptions are allowed, ...
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Error while trying to connect my wireless adapter

I have a laptop with a built-in wireless adapter "Realtek RTL8821CE 802.11ac PCIe Adapter" through which I can connect to my Home Wi-Fi. Weirdly, my Kali Linux machine on the Virtual Box ...
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Why does Linux list USB Host Controller' vendor as “Linux Foundation”?

On any PC where USB host controller is connected to the PCI/PCIE bus I see the following: $ cat /sys/bus/usb/devices/usb1/{idVendor,idProduct,manufacturer,product,serial} 1d6b 0002 Linux 4.14.157-...
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How to check the system did a graceful shutdown?

How to check the system did a graceful shutdown? Is there any log in /var/log/messages to indicate the last time shutdown is a graceful shutdown?
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Restoring a very old hard drive

I have an old SATA harddrive with important footage on it. 15 years ago this harddrive "died" on a Windows OS. I saved the HD. Now I am going to plug it back into my Linux OS to see if ...
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Key functionality is disappearing

I have literally no clue what is happening or why. My computer is relatively new (a couple of months old). I'm running Ubuntu 20.04. I keep the computer in pretty good shape (don't do anything crazy ...
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How to monitor RAM ECC errors on i7-3612QE processor in Linux?

I would like to monitor the health of the DRAM on an industrial single-board computer with the following memory controller: $ lspci -nn | grep DRAM 00:00.0 Host bridge [0600]: Intel Corporation 3rd ...
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2answers
225 views

Network interface of type ‘phonet’ – what is it good for?

When I connect my Nokia 6300 cellphone to my Linux laptop, it shows up primarily as a serial port device (/dev/ttyACM0) over which I can establish a PPP connection with pppd. The same USB device also ...
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46 views

Detect if the computers hardware is capable for a 64bit system?

I'm more and more getting into trouble with my Debian 32 bit system, since some software such as the signal messenger are not written for 32 bit anymore. Operating System: Debian GNU/Linux bullseye/...
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mtr interpretation for network/hardware performance

Sorry for being so elaborate on this one. Few days ago noticed this problem, my work VPN kept disconnecting frequently on my OFC broadband connection. It became so bad that I had to revert to 3G ...
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Msi gs73vr laptop fans are not working in manjaro Linux?Any solution?

I'm wondering why my laptop fans are not working. I checked thermald I checked pwmconfig I checked sensors-lm I checked arch fan control page The fan rpm is not showing in the sensors command. Still ...
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1answer
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Changed RAM and now my system is malfunctioning

I have a problem with a new RAM that I bought. My system is a Thinkpad T410 with Debian 10 stable with 2+2GB of RAM. Today I replaced a 2GB board with a 8GB. I checked with htop my total amount of RAM ...
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Failed to start Load Kernel Modules IT8688E

Since the motherboard's IT8688E chip is not supported I forced the 8628 one as in this Github lm-sensors issue and it detected all sensors correctly. This is what I did to make it work: Added ...
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having issues with wireless network

I've been having issues with my wireless card. I was told this is a frequent problem for RTL88XX cards. The problem is it goes off every now and then, and I have to reconnect manually though I believe ...
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Led on gpio very dim (low voltage)

I am using a minnowboard turbot (kind of like a raspberry pi, except its x86_64) When I boot it, the led connected to the gpio pins is normal brightness. After i create the gpio pin by typing echo [...
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605 views

clarifying nvme apst problems for linux

I have experienced an issue nearly identical to one described in the askubuntu community. Like that of the user who posted this issue, my system features a Kingston NVME disk, and as with that user, ...
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How do I determine if a USB 3.1 port is 5 or 10 gbps?

The physical ports are labeled 3.1 and lsusb -v shows bcdUSB 3.1. But there's two versions of 3.1, one that is 5gbps and one that is 10gbps. Is there a command to see if I have the ones that run at ...
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Hardware information with Debian 10. How to determine RAM clock speed

Are there any tools to determine current memory clock speeds on Linux systems? (Specifically Debian 10.) From my searching so far I am aware of dmidecode, but this does not report true current ...
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Linux keeps going into read-only mode

Previously, I was using Ubuntu 18.04 as an OS. It started going into initramfs mode after every boot, so I had to do a manual fsck every time I wanted to use the system. Doing this a couple of months, ...
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Charging notebook over USB-C not working

Recently i bought a power bank to recharge my notebook. But whenever I plug it in the notebook it starts charging the power bank. I did some research and found that it could be tcpm module (/usr/lib/...
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1answer
29 views

Whenever I install Linux Or Windows, A Boot Partition on Either Drive Can Get Deleted

so I have a unique issue with my computer. My computer has an issue with either the CPU or the motherboard where dual-booting is basically my only option for having both Windows and Linux as I am a PC ...
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1answer
134 views

Why are USB C -> DisplayPort adapters mix-and-match for every laptop?

I have a Lenovo Legion Y520 15IKBN (the specs of the Y520 are here, I have the one with a Nvidia 1050 Ti), and I have just bought a VR Headset Oculus Rift S which has a DisplayPort connection. I had ...
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Is it possible to record radio using headphones?

Disclaimer 1: I'm programmer, not a hardware expert, maybe – I just don't know – is the question completely stupid. Disclaimer 2: I'm not a english native. With my MP3-Player I can record radio (in ...
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1answer
94 views

How to check the laptop ID for the LCD panel manufacturer?

How can I know the brand/model of the display used in a laptop? I have been roaming with dmidecode but I haven't found that information.
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1answer
45 views

Mac keyboard on Ubuntu [closed]

I've been looking for keyboard: slim quiet (not mechanical) tenkeyless wireless with standard layout (symetric control keys, full size arrow keys, page-up and page-down keys etc.) And I cannot find ...
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1answer
183 views

Install Debian on Mikrotik RB 2011 routerboard

Is there any way to install Debian sid on Mikrotik RB 2011? Seems to Debian MIPS port not support this type of cpu (Atheros 600MHz 74K MIPS big-endian), I already install OpenWRT on this device, need ...
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1answer
89 views

ext4-fs and system-journald errors in Lenovo x1 extreme gen 1 that persists after fresh installation

I have been using pop os (currently I have the latest version based on Ubuntu 20.04) with my lenovo x1 extreme gen 1 very happily for a while (2-3 years) but recently ran into what is possibly a ssd ...
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1answer
178 views

Thunderbolt 3 on System76's Oryx Pro (oryp3) with Ubuntu 20.04

I got a 15" oryp3 back in 2017, and back that time I didn't realise that only 17" model had Thunderbolt 3 enabled. Before I only used one external monitor through HDMI. But recently I bought ...
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Linux mint volume mutes, when lower than 90%

I am now running Linux Mint 20 Cinnamon, there is a weird problem about the audio system: When I turn down the volume to below 90%, it mutes; on the other hand, if I then turn it up, everything is ...
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24 views

Best practice for onboard hardware driving

When I started with computer administration (VME-bus systems), a time when drivers were necessarily built in-kernel there was some very sensible rule one should not infringe : Never ever plug / ...
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1answer
45 views

AIX command to kick out warning light

I am using very old HMC V7; I cannot upgrade this HMC and I have a problem. I just cannot remove the warning light of my server vio via HMC after a hardware replacement. I heard that there's a ...
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GLException: Profile GL4bc is not available on X11GraphicsDevice

Recent update to LM 20 (Mate) (based on Ubuntu 20.04). A Java application I use has begun to get borked - window is tearing and ghosting, menus only becoming visible if I mouse over them, etc. ...

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