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From: http://blog.csdn.net/dog250/archive/2010/02/09/5303687.aspx First, this rootkit is actually a kernel Trojan. Unlike most Trojans, the machine where the malicious trojan is located is a client rather than a server, and the machine where the hacker is located is a server, the advantage of this solution is that it can avoid firewalls. Generally, firewalls do not strictly review outgoing packets but access packets. If malicious programs are servers, the firewall may block the hacker client p
tracks whenever we can.!! in: es - starting address segment (normally 0x1000)!sread: .word 1+SETUPLEN ! sectors read of current trackhead: .word 0 ! current headtrack: .word 0 ! current trackread_it: mov ax,es test ax,#0x0fffdie: jne die ! es must be at 64kB boundary xor bx,bx ! bx is starting address within segmentrp_read: mov ax,es cmp ax,#ENDSEG ! have we loaded all yet? jb ok1_read retok1_read: seg cs mov ax,sectors sub
This article is the best practice of Linux. It aims to help Chinese cabbage learn how to log on to Linux. In the previous article, virtual machines and Linux have been installed. How can I log on locally and remotely? How much do you know? If you want to hear the voice broadcast from Niu every day and want to learn more IT technologies or skills that are not big
[Linux] install Nginx on Linux and nginx on linux This article describes how to install Nginx in Linux. the Linux system is CentOS 7.2. 1. Download Nginx from the official Nginx website. The version used here is 1.13.6. 2. Upload the downloaded Nginx to
[Linux] PHP programmers play with Linux series-easily use email via telnet, and use telnet via linux 1. PHP programmers turn to the Linux series-how to install and use CentOS 2. PHP programmers play with Linux series-lnmp Environment Construction 3. PHP programmers play with
Tags: recompile mingetty Chapter 4 Adding user login capabilities to streamlined Linux systems4.1 Download mingetty and login program source codeThis article uses the CentOS 5.11 Source code is in the official source site http://vault.centos.org can be downloaded,go to http://vault.centos.org/5.11/os/Source/to find the Mingetty and login programs, such as:??the Mingetty and login programs belong to the mingetty-1.07-5.2.2 and util-
Article title: Analysis of Linux implementation features based on i386-basic foundation. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Summary ?? This article discusses the features of l
(1) linux beginners: linux concepts and Common commands, common linux commandsLinux introduction: Linux is a free, free, and open source operating system. It is also the most famous example of open-source software. Its main purpose is to establish a Unix-like compatible product that can be used all over the world witho
Terminal logout exit Terminal exit Exit Ctrl+u the end of the ctrl+d to delete the next ctrl+e move to the end of CTRL + a move to the front ctrl+k delete the four after the cursor, statstat to view the file details[[Email protected]1]# stat/root/1/1. Txt.bak.bak File: '/root/1/1. Txt.bak.bak ' Size:0Blocks:0IO Block:4096Regular Empty filedevice:ca01h/51713d Inode:158242Links:2Access: (0644/-rw-r--r--) Uid: (0/root) Gid: (1003/Ruanwenwu) Access: .-Ten- - A: -:06.221000000+0800Modify: .-Ten- -
Linux system add root certificate linux Certificate Trust List, linux Certificate 1. https certificate access in linux [root@boss-test-dev001-jydx~]#curl-vhttps://mobile.mycard520.com.tw*Abouttoconnect()tomobile.mycard520.com.twport443(#0)*Trying220.130.127.122...connected*Connectedtomobile.mycard520.com.tw(220.130.127
System callsis a soft interrupt, API function, let the upper application fall into the kernelProcess ManagementProcess scheduling, scheduling algorithm, process three-stateProcess is the minimum unit fork for CPU scheduling resourcesVFS Virtual File ManagementUnder Linux, all the devices are filesDriver Bus Model 2.4 2.6 (TRUE) Support PnPExt3 ext2 vfat File Management system----> Driver Development under the driver bus modelMemory managementProcess l
Programmers are lazy, you know. Recently in development, you need to use the server's IP and Mac information. But the server is installed on the Linux system, for the multiple network, in the acquisition of IP generated a lot of problems. The following is a method for Java to obtain a local IP on a Windows system. Paste Code: Package com.herman.test; Import java.net.InetAddress; /** * @see get computer IP * @author herman.xiong * @date May 16, 20
This article is done original, reproduced please specify the source, respect for the original.Writing this article, I refer to some blogs on the Internet:Http://bbs.chinaunix.net/thread-3634524-1-1.htmlHttp://www.bkjia.com/gjrj/800182.htmlAlso refer to the "Linux driver development in detail" 3.4 chapters, to achieve the establishment of their own drive directory.The driving example in this article is: Linux
Tags: Linux shutdown shutdown3.2 "Linux learning is not difficult" Linux character Interface (2): Shutdown command to shut down and restart the Linux systemThe shutdown command can safely shut down or restart the Linux system, and some users will turn off the computer using
Week 8 process switching and general execution of the system "20135239 original please specify the source" Linux kernel Analysis "MOOC course http://mooc.study.163.com/course/USTC-1000029000" one, Timing analysis of process scheduling and process scheduling The principle of operating system describes a large number of process scheduling algorithms, these algorithms from the perspective of implementation is only to choose a new process from the run
Linux schedules many processes. This involves the concept of Linux Process Scheduling timing, which is determined by the Schedule function in the Linux kernel, if you want to switch, which process to switch to, and so on. Linux Process Scheduling time mainly includes:: 1. process state transition time: Process Terminat
Summary of the basic operations of Linux, basic operations of linux Preface Linux was a UNIX-compatible operating system developed in 1991 and can be used for free. Its source code can be freely transmitted and can be modified, enriched, and developed by anyone, the original intention of developers is to jointly create a perfect, ideal and free-to-use operating s
Linux Directory Architecture /root directory /bin commonly used commands binary file's catalogue /boot store files that must be read when the system is started, including the core (kernel) /boot/grub/menu.lst Grub Settings /boot/vmlinuz kernel RAM Disk required for/BOOT/INITRD core decompression /dev System Peripheral Equipment /ETC System Related setup file /etc/dir_colors Set Color /etc/hostname set the user's node name /etc/networking only yes indi
New users talk about Linux, new users linux Directory: What is Linux? Differences between Linux and UNIX Comparison between Linux and Windows What is the Linux release? Linux applicatio
[Linux management] Linux system boot and boot, management of linux system boot**************************************** ********************************* *** Original article: blog.csdn.net/clark_xu Xu changliang's column**************************************** ********************************1 linux system startup and
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