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linux-kernel

How to display the Linux kernel command line parameters given for the current boot?

August 10, 2022 by Magenaut

In the grub.conf configuration file I can specify command line parameters that the kernel will use, i.e.:

Categories Q&A, Unix & Linux Tags linux, linux-kernel Leave a comment

MMU-less kernel?

August 10, 2022 by Magenaut

I would like to try compile mmu-less kernel. From what I found in configuration there is no option for such a thing. Is it possible to be done?

Categories Q&A, Unix & Linux Tags kernel, linux, linux-kernel, memory Leave a comment

Can’t install Linux Headers (Kali Linux)

August 10, 2022 by Magenaut

I am trying to install Linux headers for Kali Linux on my machine and I have tried every possible solution on the internet but it always show “Unable to locate packages “

Categories Q&A, Unix & Linux Tags apt, kali-linux, linux-kernel Leave a comment

Given a git commit hash, how to find out which kernel release contains it?

August 10, 2022 by Magenaut

Assume I have some issue that was fixed by a recent patch to the official Linux git repository. I have a work around, but I’d like to undo it when a release happens that contains my the fix. I know the exact git commit hash, e.g. f3a1ef9cee4812e2d08c855eb373f0d83433e34c.

Categories Q&A, Unix & Linux Tags git, linux, linux-kernel, source Leave a comment

How does the linux kernel know device major and minor numbers?

August 9, 2022 by Magenaut

As far as I know, the kernel detects hardware, adds information to sysfs creates a device in /dev and then generates a udev event. My question is, do device drivers do all of this or it is the kernel itself? If drivers do it, then they would know the device major and minor number to create the file in devtmps.

Categories Q&A, Unix & Linux Tags drivers, linux-kernel, udev Leave a comment

Setting CPU governor to on demand or conservative

August 9, 2022 by Magenaut

I’m struggling with cpupower on ArchLinux. I want to set governor to ondemand or even to conservative.

Categories Q&A, Unix & Linux Tags cpu-frequency, linux-kernel, power-management Leave a comment

Linux does not reply to ARP request messages if requested IP address is associated with another (disabled) interface

August 9, 2022 by Magenaut

I have a PC(kernel 3.2.0-23-generic) which has 192.168.1.2/24 configured to eth0 interface and also uses 192.168.1.1 and 192.168.1.2 addresses for tun0 interface:

Categories Q&A, Unix & Linux Tags arp, linux-kernel, networking Leave a comment

Are all kernel argument really used by the kernel?

August 9, 2022 by Magenaut

Why does Linux allow ‘init=/bin/bash’?

Categories Q&A, Unix & Linux Tags linux-kernel Leave a comment

How interpret kworker threads names?

August 9, 2022 by Magenaut

On Linux 3.11.0-13-generic running on top of a dual socket Xeon X5650 hexa core board, htop shows different kworker threads. Sorted by names (I tweaked the result I am showing here a little bit to have the threads on core 2 before the ones on core 10), here is the result:

Categories Q&A, Unix & Linux Tags linux, linux-kernel Leave a comment

Load Linux bzImage in QEMU?

August 9, 2022 by Magenaut

I compiled a Linux by doing make menuconfig then make and now I have compiled the most recent version of Linux. How can I load the kernel into QEMU?

Categories Q&A, Unix & Linux Tags boot, linux, linux-kernel, qemu, x86 Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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