Linux内核作用: The Linux kernel is the heart of the operating system. It is the layer between the user who works with Linux from a shell environment and the hardware that is available in the computer on which the user is working. The kernel is doing so b…
今天看到一转帖如下: Linux Kernel 2.6.28 以上有缺陷,在第208.5天自行重啟 https://access.redhat.com/knowledge/solutions/68466 sched_clock() overflow around 208.5 days in Linux Kernellast modified by Raghu Udiyar on 04/10/12 - 09:12Issue Linux Kernel panics when sched_cl…
https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt Introduction ------------ The configuration database is a collection of configuration options organized in a tree structure: +- Code maturity level options | +- Prompt for developme…
redhat 6.4 安装VirtualBox自动增强功能功能的时候提示: building the main Guest Additions module FAILED unable to find the sources of your current Linux kernel. Specify KERN_DIR-<directory> and run Make again 这个时候需要检测gcc make kernel-level kernel-header 等文件是否安装.具体使用如下…
Originally derived from Red Hat Enterprise Linux (RHEL), Oracle Linux (OL) contains minor differences, such as those necessary to differentiate itself e.g. modified /etc/redhat-release and /etc/issue file content, as well as /etc/enterprise-release, …
ANALYSIS AND EXPLOITATION OF A LINUX KERNEL VULNERABILITY (CVE-2016-0728) By Perception Point Research Team Introduction The Perception Point Research team has identified a 0-day local privilege escalation vulnerability in the Linux kernel. While the…
## Linux kernel memory-faq.txt What is some existing documentation on Linux memory management? Ulrich Drepper (the ex-glibc maintainer) wrote an article series called "What every programmer should know about memory": Part 1: http://lwn.net/Artic…
http://v.youku.com/v_show/id_XNDMwNzc3MTI4.html After working with Linux (mostly as an advanced user) for years, I decided to post my first p=linux/kernel/git/x86/linux-2.6-tip.git;a=commitdiff;h=e19e074b1525d11a66c8e3386fec7db248ad3005" style="…
Compiling custom kernel has its own advantages and disadvantages. However, new Linux user / admin find it difficult to compile Linux kernel. Compiling kernel needs to understand few things and then just type couple of commands. This step by step ho…
How to compile and install Linux Kernel 5.1.2 from source code Compiling a custom kernel has its advantages and disadvantages. However, new Linux user/admin find it difficult to compile Linux kernel. Compiling kernel needs to understand few things an…
/** * CVE-2014-4014 Linux Kernel Local Privilege Escalation PoC * * Vitaly Nikolenko * http://hashcrack.org * * Usage: ./poc [file_path] * * where file_path is the file on which you want to set the sgid bit */ #define _GNU_SOURCE #include <s…
This tutorial will outline the process to compile your own kernel for Ubuntu. It will demonstrate both the traditional process using ‘make’ and ‘make install’ as well as the Debian method, using ‘make-dpkg’. This is the detailed version of this tutor…
来自Linux kernel docs,顺便整理了一下排版 Linux Kernel Makefiles This document describes the Linux kernel Makefiles. 文章目录 Linux Kernel Makefiles 1 Overview 2 Who does what 3 The kbuild files 3.1 Goal definitions 3.2 Built-in object goals - obj-y 3.3 Loadable mod…
本系列文章主要写我在阅读Linux内核过程中,关注的比较难以理解但又设计巧妙的代码片段(不关注OS的各个模块的设计思想,此部分我准备写在“深入理解Linux Kernel” 系列文章中),一来通过内核代码复习一下C语言及汇编语言的语法,二来学习内核开发大牛们书写代码的风格及思路. 在内核文件 include/linux/bug.h中,有下面两行的宏定义: 1 2 3 4 5 6 /* Force a compilation error if condition is true, but al…
