kernel burner

because sometimes SUSE Linux Kernel version and some of the software is not compatible, we need to SUSE the system degraded the kernel, the operation is as follows:1. View current Kernel ( Kernel) VersionUse Uname–a or Uname–r command to view the kernel version650) this.widt

Experimental process:Open the shell terminal and execute the following command:CD linuxkernel/Qemu-kernel LINUX-3.18.6/ARCH/X86/BOOT/BZIMAGE-INITRD rootfs.imgAfter execution, the Qemu window will pop up, output the Linux kernel boot information and display menuos after successful startup.Enter help to indicate that the streamlined system supports three commands: Assist, version, quitDebug

This article provides a brief introduction to kernel-related basic concepts.Main content: Single Core and micro core Kernel version number 1. Single Core and micro-core principle Advantage disadvantage single core 1. Simple. 2. Efficient: All cores are in a large address space, so calls and call functions are s

executing at any time Soft interrupts and Tasklet: The kernel can wake up or dispatch soft interrupts and tasklet at any time, interrupting code that is currently executing Kernel preemption: The Linux kernel is preemptive, so the kernel's task may be preempted by another task Sleep and user space synchronization: Processes that execute in the

Basic synchronization mechanism of the kernel:Key features of the preemption kernel: a process running in the kernel state that may be replaced by another process during kernel functions execution.Kernel preemption: Linux 2.6 Allows users to configure the kernel to be very enabled when compilingProcess critical section

/proc/kallsyms records the names and addresses of all the exported symbols in the kernel We need to compile 2 kernel modules, and then one of the kernel modules to call functions in another kernel module The HELLO.C code is as follows #include From this we can see that we have called 2 functions Add_integar and Sub

Tags: Linux kernel1, the kernel is what, the kernel is the core of the operating system.In Linux, in fact, the kernel is the system above a file, this file contains the driver of the hardware of the test program and driver module. The kernel file is in the/boot directory in the beginning of the Vmlinuz file, and someti

Phenomenon:CentOS7 boot screen displays multiple kernel optionsReason:Under normal circumstances, there are two startup items, one is "Normal startup" and the other is "Rescue mode Startup" (rescue).If there are more than 2 startup items, the old kernel of the current system is not removed. The reason is that the old kernel is not automatically deleted after the

(This method is limited to the CentOS faction's yum/rpm.) Supplement: limited to 64Bit. CentOS7 32-bit, I tried to use CentOS6 32-bit kernel to upgrade, can be upgraded to use the restart can be used, half an hour after the deletion of the system no longer try to use, so do not know what will bring bad experience. ） The way to upgrade the kernel of CentOS and Debian has been mentioned in the previous logs.

since you are dealing with kernel modules, it is natural to understand the dependencies between the modules provided by the kernel. Basically, the kernel module is placed at/lib/modules/$ (uname-r)/kernel, which is divided into several directories:Arch: Options related to the hardware platform, such as the CPU level.Cr

In the Linux Kernel (Android) Cryptographic algorithm summary (cipher, Compress, Digest) article, it describes how to include three different types of kernel encryption algorithms in the kernel, and gives examples of how to invoke them in kernel modules.This article will focus on how to invoke the cryptographic algorit

The kernel often needs to execute some operations in the background. This task can be completed through the kernel thread-a standard process that runs independently in the kernel space. The difference between a kernel thread and a common process is that the kernel thread doe