Brief: This article gives a breakdown of the Linux File System/directory structure, some of the critical files, their usability, and their location. You must have probably heard thateverything is considered a filein UNIX and UNIX derivatives such as Linux. If not a file, then it must be a...
It should come as no surprise that Linux has its own file structure that is different from Windows in terms of where data is stored and also the underlying technology.doi:10.1007/978-1-4302-0297-4_14Shashank SharmaKeir ThomasApress
Most of us are used to dealing with files—the things that live on our hard disks, floppies, and DVD-ROMs, and contain data and program code. It should come as no surprise that Linux has its own file structure, which is different from Windows, in terms of where data is stored and al...
This guide will cover the structure of the main Nginx configuration file. The location of this file will depend on how Nginx was installed. On many Linux distributions, the file will be located at/etc/nginx/nginx.conf. If it does not exist there, it may also be at/usr/lo...
Keeping a “copy” of a single file in multiple locations But aren’t these just “shortcuts”? In a way, yes…but not exactly. Within the realm of Linux, there’s more to links than just creating a shortcut to another location. Consider this: A shortcut is simply a pseudo-file tha...
Unit=: This specifies the unit to activate when the path conditions specified above are met. If this is omitted,systemdwill look for a.servicefile that shares the same base unit name as this unit. MakeDirectory=: This determines ifsystemdwill create the directory structure of the path in ques...
If you want to check if a file is statically or dynamically compiled, use thefilecommand. If it shows something like: $ file /bin/ps/bin/ps: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), **dynamically linked (uses shared libs)**, for GNU/Linux 2.6.24, BuildID[sha1]=205...
(2). Linux 的进程可以阻塞在核心态:中断、内核同步、模块、驱动…… 有相当多的例子。But, how? (3). Kernel 如果无法阻塞在核心态的话,wait()系统调用的实现会非常非常非常的麻烦…… StackOverflow上的一个解答: http://stackoverflow.com/questions/12911841/kernel-stack-and-user-space-stack, 安全的角...
In this tutorial, we’ll see how to profile the memory usage of a Linux process byreading the output of the/proc/id/mapsfile. We’ll start byexplaining the concept ofvirtual memory. Next, we’lldescribe thevirtual address space of a process,its structure, and the permissions around it. ...
2.1. The Socket Buffer: sk_buff Structure 套接字缓存数据结构sk_buff This is probably the most important data structure in the Linux networking code, representing the headers for data that has been received or is about to be transmitted. Defined in the<include/linux/skbuff.h>include file, it...