How to use GDB debugging under Linux

GDB is a very useful debugging tool under Linux, although it is a command-line mode debugging tool, but it is powerful enough to you can not imagine, here is a brief introduction to GDB under common commands.Start by compiling the executable file

The compression tool under Linux

Introduction to the Compression toolCompress the server's frequently accessed files, such as Web pages, to compress and save bandwidth resourcesLinux packaging tools, suffix name in Linux does not mean the actual meaning, but in order to facilitate

Linux system VSFTPD Build FTP

Installing Vsftp Installing vsftp with the Yum command #vsftpd-yadd FTP account and directory First check the location of the nologin, usually under/usr/sbin/nologin (*nologin role is to restrict some users to the Shell

Learn the grep and WC commands of the Linux command every day---(6/25)

The grep command in a Linux system is a powerful text search tool that uses regular expressions to search for text and print matching lines. The grep full name is global Regular expression Print, which represents the globally regular expression

RSS, transmission flexget in Linux

Install transmission, I use Transmission-daemon + WebUIReference Https:// (%e7%ae%80%e4%bd%93%e4%b8%ad%e6%96%87)AndHttps:// Set transmission, take

Linux learning record. 4. Common commands

help command--help get help with ' command ' commandsDirectories and filesCd/home into ' home ' directoryCd.. Return to the top level directoryCD into your personal directoryCD-Back to top level directoryPWD Displays the current pathLS View files

Network management OSI Model TCPIP protocol in Linux

Application LayerHTTP Hypertext Transfer ProtocolFTP File Transfer ProtocolSMTP Simple Mail Transfer ProtocolTELNET TCP/IP terminal emulation protocolPOP3 Post Office Protocol third editionFinger User Information ProtocolNNTP Network News Transfer

Find commands under Linux which, Whereis, locate, find (6/20)


The following 4 main commands are found under Linux: Which, Whereis, locate, and find.(1) which [-a] cmdname1 cmdname2 ...Command parameters:-n Specifies the length of the file name, which must be greater than or equal to the longest file name in

The detailed usage of the linux-chmod_ command is explained

Linux chmod CommandsChmod is used to change the access rights of a file or directory. Users use it to control access to files or directories. There are two ways to use this command. One is to includeThe text setting method of the letter and operator

Linux Network Performance evaluation Tool IPERF, chariot test network throughput

Network performance evaluation is mainly to monitor network bandwidth usage, maximizing network bandwidth utilization is the basis of network performance, but due to unreasonable network design and network security loopholes, network bandwidth

Linux./configure--prefix command

The installation of the source code is generally composed of 3 steps: Configuration (Configure), compile (make), installation (make install), the specific installation method is generally the author will give the document, here is the main

Linux Common directives

The following instructions have been tested under CentOS 7 64bit, please post a message if you have any questionsThis post will supplement and update the content on a regular basis.First, user operation1. View User cat/etc/passwd

Installation of Linux Nginx

Nginx Installation? 1. Installation Dependent environment–yum-y install gcc automake autoconf libtool make–yum-y install gcc gcc-c++ pcre-devel OpenSSL openssl-devel? 2, install Pcre, Zlib, the former in order to rewrite rewrite, the latter in order

Linux Basic command and NAT technology

Yum Yellowdog updater,modified is an RPM-based management tool written in Python to address the dependencies of RPM packagesTo install the compilation tool Yum install GCCLibrary functions: Static library functions, dynamic library functionssudo

Linux commands (23) Disk Management commands (i) DF,DU,TUNE2FS

One, view disk space situation DFThe DF command is used to view hard disk space usage, as well as to see the type of hard disk partition or the usage of inode nodes.The common parameters of the DF command are as follows:-a

One Linux command per day (6/18): lsof command

Lsof (list open files) is a tool that lists open files for the current system. In a Linux environment, everything is in the form of files, with files that not only access regular data, but also access to network connectivity and hardware. So, Lsof

Linux Advanced op Koriyuki tomcat&&varnish

Linux Advanced op koriyuki tomcat, varnish agentCase 1: Installing the Deployment Tomcat serverCase 2: Deploying a virtual host with TomcatCase 3: Accelerating the web with varnishJava and interpreter:tomcat:8080 几乎不做静态页面 几乎都是做tomcat+jspjava 生态 类库

Linux Command Encyclopedia

System InformationThe processor architecture of the Arch Display machine (1)UNAME-M Display the processor architecture of the machine (2)Uname-r displaying the kernel version in useDMIDECODE-Q Display hardware system

Recvmsg and SENDMSG functions of Linux programming

Recvmsg and SENDMSG functions#include #include ssize_t send(int sockfd, const void *buf, size_t len, int flags);ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t

Top and FREE commands in Linux (6/15)

Top: The command provides real-time status monitoring of the system's processor. It displays a list of the most "sensitive" tasks for the CPU in the system.This command can be used on a per-CPU basis. Memory usage and execution time sorting

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