Linux

In Linux, we know thatNice, reniceCommands change the execution priority of processes, and high-priority processes give priority to execution, so as to ensure the running of important tasks to a certain extent. In addition to Nice and renice, you

1. DaemonProgramWrite it as a daemon and fork twice. 2. System LogsCall openlog, syslog, closelogUse the syslog or rsyslog service to configure/etc/syslog. conf or/etc/rsyslog. conf.Example:Local2 .* /Var/log/APP. LogRestart syslog To take

Use wget For example, if you want to download http://www.cplusplus.com/reference/the entire site's east and west, the command is as follows: Wget-r-k-NP-P http://www.cplusplus.com/reference/ The following describes the parameters:-R, -- Recursive

Bin: This directory stores the most common basic commands, such as Copy command CP, edit command VI, and delete command RM. Boot: This directory contains the configuration file, kernel (vmliuxz), and system image (initrd) required for system

6) getting started with Linux programming-Message ManagementProcess Communication (IPC) in Linux)Process Communication (IPC) in Linux)POSIX unknown semaphoresSystem V semaphoreSystem V Message QueueSystem V shared memory1. POSIX unknown semaphores

1) Introduction to Linux programming-Basic KnowledgeBasic knowledge of C language programming in LinuxPreface:This article introduces the basic knowledge required for C language programming in Linux. In this article, we willYou will learn the

Linux inter-process communication Introduction to several main methods for inter-process communication in Linux: A)Pipeline (PIPE) and famous Pipeline (Named Pipe): pipeline can be used for communications between kinship processes. Famous pipelines

1. Modify boot. ini with C:/grldr = "Grub"2. Install wingrub3. Install paragon Hard Disk Manager4. Select Tools> partition list in wingrub to get the drive letter, for example: (hd1, 4)5. Use paragon Hard Disk Manager to split two partitions: one as

Notes for compiling exosip2 in Linux Prepare the package Libosip2-3.0.1.tar.gz LibeXosip2-3.0.1.tar.gz Put the two packages in the same directory Compile osip2 first Tar zxvf libosip2-3.0.1.tar.gz CD

I searched the internet and found a lot of commands. Most people don't care about the new usage, and 90% of the workload is a simple one or two commands. So remember that one or two commands can solve the problem of 90% of the workload. The

Summarize the commonly used makefile templates for future use. 1. Compile the dynamic library ######################################## ###################### Makefile for shared library. # compile a dynamic link library ##############################

Installation and Use of Linux SVN The goal of the Subversion project is to buildVersion Control SystemThat is a compelling replacement for CVS in the open source community. The software is released under an Apache/BSD-style

View CPU information (model)# Cat/proc/cpuinfo | grep name | cut-F2-D: | uniq-C8 Intel (r) Xeon (r) CPU e5410 @ 2.33 GHz(We can see eight logical CPUs and the CPU model) # Cat/proc/cpuinfo | grep physical | uniq-C4 physical ID: 04 physical ID: 1(It

Post address: http://blog.163.com/saintatgod@126/blog/static/3594799820110132580842/ Verify whether the downloaded file is faulty. [Root @ test/root] # md5sum [-BCT] filename[Root @ test/root] # md5sum [-- Status | -- Warn] -- Check filename-B: the

Address: http://www.jb51.net/ OS /RedHat/1114.html   1) log on to the server and execute lsb_release-a to list all version information, for example: [Root@3.5.5Biz-46 ~] # Lsb_release-Lsbversion: 1.3Distributor ID: redhatenterpriseasDescription: Red

Address: http://blog.163.com/bobile45@126/blog/static/960619922012542475706/   1. The ps command is used to view the currently running process. Grep is search Example: PS-Ef | grep Java Displays information about Java cmd processes in all

View and cancel scheduled tasks in Linux Address: http://changwu0101.blog.163.com/blog/static/1104246392011820104654131/$ Crontab -- Help Crontab: Invalid option --- Crontab: usage error: Unrecognized Option Usage: crontab [-u user] File Crontab [-u

Address: http://blog.csdn.net/mmllkkjj/article/details/6768294   Http://apps.hi.baidu.com/share/detail/37384818 Download ADT Link Http://dl.google.com/android/ADT-0.9.6.zip Download SDK Link Http://dl.google.com/android/android-sdk_r11-linux_x86.tgz(

A process is an independent resource allocation unit. Different processes are independent of each other. The inter-process communication mechanism supported by Linux: (1) Data interaction mechanism between processes on the same host: Unknown pipe,

An error occurred while compiling the kernel. For example, the following error occurs: Maid: Invalid option 'Abi = aapcs-Linux ': Using arm-Linux-gcc-V Yan @ Yan-LAPTOP:/etc $ arm-Linux-gcc-V Using built-in specs. Target: