Isolate Kernel Module to a Specific Core Using Cpuset
From user-space we can use cpuset to actually isolate a specific core in our system and execute just one specific process to that core.I'm trying to do the same thing with a kernel module. So I want...
View ArticleLinux Kernel with Docker on Windows doesn't match WSL Linux Kernel
I'm trying to mount Azure Files with this tutorial but I'm having trouble mounting. I'm using Docker Desktop to develop deployment containers and the tutorial says it requires Linux Kernel >=4.11....
View ArticleHow to get interface netmask in linux kernel module
I write linux kernel module with netfilters. I want to block any packet that is not from my subnet. Is there any simple method to get netmask of the interface? I found only method to get mask using...
View ArticleWhy no HDMI with new kernel? [closed]
i use a rock64 board (Rockchip RK3328 Quad-Core SOC with Mali 450MP2). I now have a finished kernel configuration (kernel 5.4.3) for my board and everything works except hdmi :(HDMI doesn't work with...
View ArticleHow to transfer an integer to the source code from Makefile when compiling a...
I would like to implement a kernel module which includes a conditional compilation just like #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0) in many source files in kernel tree. The code hightly...
View ArticleHow bonding driver takes RX packets from enslave interfaces
I have a question regarding how to bonding driver takes RX packets from enslaved interfaces. I found that bonding use dev_add_pack() to set handlers for LACPDU and ARP packets, but I didn't found other...
View ArticleIncomplete LSB comment. insserv: missing valid name for `Provides:' please add
recently I installed: Debian x86_64, oracle 11g and OCI8. I'd like to turn automatic the shell script below, but I received the following message error:root@debian:/etc/init.d# uname -a Linux debian...
View ArticleWhere is C header file tlpi_hdr.h? [closed]
I want to compile the following code with gcc:/**********************************************************************\ * Copyright (C) Michael Kerrisk, 2010. * * * * This program is free software. You...
View ArticleUse sed with a variable in Bash script? [closed]
I need to configure two .sh files, the first file sshpasssrv.sh will be responsible for filling the second file that will be sshpass.sh, the first file when executed, will ask the ip, so it will fill...
View ArticleLinux: writes are split into 512K chunks
I have a user-space application that generates big SCSI writes (details below). However, when I'm looking at the SCSI commands that reach the SCSI target (i.e. the storage, connected by the FC)...
View ArticleLinux Kernel Makefile.build strange behavior when building external modules
I need some KBuild implementation details advice related to building of external modules.Linux Kernel 5.0.0-32Here is my LKM Makefile:obj-m += pfsw.o pfsw-objs := src/init.o all: make -C...
View ArticleRump unikernel compile successfully on a server but error on Ubuntu 19.04
I downloaded rumprun and followed the Tutorial to compile and install it.git submodule update --init CC=cc ./build-rr.sh hw I have compiled successfully on a Ubuntu 18.04 system. When I copied the same...
View ArticleNo buildroot login in QEMU [closed]
I downloaded buildroot-2019.05 source code from the website and executed the following steps:$ make qemu_x86_64_defconfig $ make -j8 $ qemu-system-x86_64 -M pc -kernel output/images/bzImage -drive...
View Articlekernel module problem in commercial software [duplicate]
This question already has an answer here:How to build a Linux kernel module so that it is compatible with all kernel releases? 3 answersThe security software I'm building contains a kernel module....
View ArticleCreating Attributes to Linux Device Drivers
I am in the process of creating a simple device driver to interface a piece of hardware (inside fpga) to an embedded linux system. In a tutorial I am following, I have managed to create device in /dev....
View ArticleObtain interface netmask in Linux kernel module
I write Linux kernel module with netfilter hook. I want to block any packet that is not from my subnet.Is there any simple method to get netmask of the interface in kernel-mode? I found only the way to...
View ArticleRestSharp Execute blocks on Linux Ubuntu (but runs fine on Mac Mojave)
I needed to change from async RestSharp call ExecuteAsync to a sync call Execute. It tested fine on my Mac but when placed to staging Linux Ubuntu environment the whole program comes to a halt and the...
View ArticleUsing sysfs_notify_dirent() correctly
I've some trouble understanding how to use sysfs_notify_dirent() correctly. Basically, I'm writing a device driver, and I need one of the sysfs attributes exported by the driver to be "pollable" from...
View ArticleLinux kernel module : my variable lost its value when it's used in thread...
I am developing a Linux kernel module which read my embedded board button code and use it in order to turn on/off the board led.When I push button, the module is sending correctly the button code,...
View Articlehow can enforce watchman to watch a specific directory on ubuntu
I decide to learn React-Native on my peppermint linux.I install watchman .now I created third practice project and when I run yarn start I get this error: watchmanResponse: { version: '4.9.0', error:...
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