Linux

1, x86 platform 32-bit Linux system call number Location: include/asm-x86/unistd_32.h #define __NR_RESTART_SYSCALL 0 #define __NR_EXIT 1 #define __NR_FORK 2 #define __nr_read 3 #d Efine __nr_write 4 #define __NR_OPEN 5 #define __NR_CLOSE 6 #define _

The SPI-driven migration under Linux2.6.32 is shown in the following illustration: the following needs to modify some of the kernel code, the following actions: 1. Modify the arch/arm/mach-s3c2440/mach-mini2440.c file Add the following code

SYN flood attack (SYN flooding Attack) refers to the use of TCP/IP three-time handshake protocol is imperfect and malicious send a large number of only SYN handshake sequence packets of attack mode. This type of attack could lead to a denial of

ODBC is a database standard. Here's an introduction to ODBC from Wikipedia: The ODBC (Open Database Connectivity) provides a standard API (application programming Interface) method to access the DBMS (DB Managementsystem). These APIs use SQL to

Http://www.cnblogs.com/tureno/articles/3748195.html Linux applications: Linux upgrades under the package and patching production, in the process of doing development will inevitably need to the kernel and download some of the source code to play

Ethos is a system of mining depth customization based on Linux.Because the system relative to Windows, the volume is very small, so you can burn directly in the U disk, save a hard drive money. And the system takes up less resources and is more

The ping command is not able to test the port, Ping is only testing network connectivity and packet send and receive status. Format: Ping IP address or host name [-T] [-a] [-N count] [l size] Parameter meaning:-t keep sending data to the target

Intrusion detection System (IDS) is the processing system of identifying and responding to the malicious use behavior of computer and network system resources, it is like radar alert, without affecting the network performance, the network carries on

Linux does not recognize Bluetooth adapter solutions Bluetooth adapter (USB): Wins for UDC-321Linux 2.6.29First check to see if USB is recognized:#lsusbBus 005 Device 004:id 0402:5602 ALi Corp., Camera ControllerBus 005 Device 003:id 05e3:0718

Analysis of Linux kernel vulnerabilitiesArticle Properties: Reprint (http://www.xfocus.net/articles/200410/746.html) Linux is considered to have better security and other extended performance than Windows. These features make Linux become more

FirewallFirewall-cmd--state View the state of the firewallFirewall-cmd--get-active-zones is currently located in the domainFirewall-cmd--get-default-zone Viewing the default domainFirewall-cmd--get-zones View All

Chown/bin/chownchown [user] [file or directory] to change the owner of a file or directoryOnly root can change the owner of a file or directoryRoot User:Mkdir/tmpTouch/tmp/test.fileUseradd MEINVpasswd MEINVChown Meinv/tmp/test.fileMEINV

In the OPT directory there is a test1 directory, test1 under the Test2 directory, that is/opt/test1/test2First, Directory creationCreate a new test2123 folder under the/opt/test1 directoryMkdir/opt/test1/test2123Second, directory replication1. Copy

Network Configuration methodsTo configure an interface using the NetworkManager Text user interface tool NmtuiTo configure an interface using the NetworkManager command-line tool NMCLITo manually configure a network interfaceTo configure a network

1. sigterm "Kill PID" sends sigterm to the process PID. This is the termination signal sent by killcommand by default. 2. SIGINT Hitting the interrupt key (delete or Ctrl + C) in the terminal generates a SIGINT signal. This signal will be sent

Design of GPS Smart terminal based on embedded ARM-Linux GPS Smart terminal is an important part of Intelligent Transportation System (ITS System). It integrates satellite positioning technology (GPS), geographic

Valgrind is a GPL software used for memory debugging and code analysis of Linux (for x86, amd64 and ppc32) programs. You can run your program in its environment to monitor memory usage, such as malloc and free in C or new and delete in C ++. With

From: http://blog.163.com/18_2/blog/static/2174448200851045114653/ Installation and Use of sqlite3 in Linux: Ubuntu online installation of sqlite3 database method: System Platform: ubuntu12.04 Run the following command in Ubuntu: sudo apt-Get

Each operating system is composed of thousands of different types of files. There are system files, user files, shared files, and so on. Sometimes we often forget where a file is stored on the hard disk. Searching for a file in Microsoft's Windows

Important commands required for LinuxAuthor: Cao yuan, his posting date: 2004.12.16From: http://www.ccidnet.com In the previous sections, we have divided Linux commands into several parts based on their functions in the system. However, there are