Linux

  From http://blog.chinaunix.net/u3/108043/showart_2125958.html Linux server load average We know that we can use top, uptime and other commands to check the

1. Introduction to basic commands ---- 1. cursor command K, J, H, l -- move the cursor up, down, left, and right. Although you can use the four optical keys on the right of the keyboard in Linux, it is very useful to remember these four commands.

From windows to Linux-install linux. Don't be afraid! Qian Kun smile [smileonce] smileonce@126.comCopyright reprinted please indicate source http://blog.csdn.net/smileonce Since I post two articles in the "from windows to Linux" series, I have

A few days ago, a new feature needs to be added to kernel module. This new function uses Function C in kernel module B. After I include the relevant header file and load module A, there is always an error. The function C used cannot be found. What's

  To start armlinux, bootloader must provide the following steps:1. Set and initialize Ram2. initialize a serial port3. Check the processor type4. Set the kernel tag list5. Call the kernel Image1. Set and initialize RamBootloader needs to find and

Standard Linux is designed for MMU processors. On such a processor, virtual addresses are sent to MMU to map virtual addresses to physical addresses. By assigning different virtual-physical address translation mappings to each task, protection

When a task (process) executes a system call and is executed in the kernel code, it is called that the process is in the kernel running state (or kernel state for short ). At this time, the processor is executed in the kernel code with the highest

# Define sighup 1 The process is caused by the control terminal dead or the control terminal issuing a command # Define SIGINT 2 Signal generated by keyboard interruption # Define sigquit 3Keyboard termination # Define sigill 4Invalid Command #

Add your own   1. Create a project Svnadmin create/var/SVN/repos/ServerSVN import/home/yqliu29/Server File: // var/SVN/repos/Server-M "first import"2. Check out the projectSVN Co http: // 192.168.61.79/repos/Server3. Add a file or

1. Install the mail transmission agentSudo apt-Get install sendmailSudo apt-Get install sendmail-cf2. Install mailutilsOtherwise, you cannot use the MAIL command.3. ConfigurationBy default, Sendmail only sends emails to local users. Only by

Let's take a look at two special files and directories.[Root @ yufei ~] # Ls-L/usr/bin/passwd-Rwsr-XR-X. 1 Root 26968 Jan 29 2010/usr/bin/passwd[Root @ yufei ~] # Ls-L/usr/bin/Wall-R-XR-Sr-X. 1 root tty 10932 Apr 27 2010/usr/bin/Wall[Root @ yufei ~]

CAT/var/log/*. Log If the log is being updated, how can I view tail-F/var/log/messages in real time? You can also use watch-D-N 1 CAT/var/log/messages -D indicates the highlight of different places, and-N indicates the number of seconds to

1 fstat get File status Int fstat (int fd, struct stat * BUF ); Struct stat {Dev_t st_dev;/* ID of device containing file */Ino_t st_ino;/* inode Number */Mode_t st_mode;/* Protection */Nlink_t st_nlink;/* Number of hard links */Uid_t st_uid;/* User

Linux Ping: Unknown host www.baidu.com from http://www.cnblogs.com/happyhotty/articles/2539951.html "Ping: Unknown host www.baidu.com"Solution:If a Linux server cannot ping the domain name, the following prompt is displayed:[Root @ localhost ~] #

I. IntroductionUDP is a type of transport layer protocol in TCP/IP protocol. This article describes how to compile a client/server model program based on UDP protocol in Linux, an echo Client/Server example program is provided. II. Introduction to

Use the definition in the kernel source codePhys_offset: The physical starting address of the system memory, which is board-level. In include/ASM-arm/arch-xxx/memory. HPage_offset: the virtual starting address of the system memory. The system

  LinuxThe command line isLinuxThe only way for advanced applications,LinuxSystem Administrators and developers are all learning objects.Susan LintonThree learning courses are recommended to us.LinuxThe Command Line website is now introduced to you:

I encountered several problems. Record them.   Machine Model: Lenovo xuri c466a   Concrete visible: http://forum.ubuntu.org.cn/viewtopic.php? F = 97 & t = 110461   Mouse, the keyboard does not work in X11: configure the event interface, that

Use ipmsg in Linux) Ipmsg is a good LAN communication software, which is very small and easy to use without a server. In Linux, You need to compile it yourself. Download source code: http://www.ipmsg.org/index.html.en (http://www.ipmsg.org/archive/g2

LinuxKernel compilation process and dynamic module Loading Keywords: Kernel compilation module LoadingVersion Control driver 2.6.15-1.2054 _ fc5 Preface: If this is the happiest time for Kaka to drive Linux in the past few days, it cannot be too