search
HomeOperation and MaintenanceLinux Operation and MaintenanceSummary of detailed description of connection status

Check the number of concurrent connections and connection status of Nginx, etc. under Linux. 1. Check the number of concurrent requests of the web server (Nginx Apache) and its TCP connection status: netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S [a]}' or: netstat -n | awk '/^tcp/ {++state[$NF]} END {for(key in state) print key,"t",state[key]}'The return result is general As follows: LAST_ACK 5 (number of requests waiting to be processed) SYN_RECV 30 ESTABLIS

1. Detailed introduction on how to check the number of concurrent connections and connection status of Nginx under Linux

Summary of detailed description of connection status

Introduction: Check the number of concurrent connections and connection status of Nginx, etc. under Linux. 1. Check the number of concurrent requests of the Web server (Nginx Apache) and its TCP connection status: netstat -n | awk & 39;

2. PHP scheduled task detects user connection status

Summary of detailed description of connection status

Introduction: PHP scheduled task detects user connection status

3. View the number of concurrent apache requests and its TCP connection status

Summary of detailed description of connection status

##Introduction: I have built a group in the past two days Apache server, each server has 4G memory, using prefork mode. The number of connections set at the beginning was too few, and it took a long time to respond to user requests. Later, the configuration file httpd.conf of Apache 2.0.59 was modified. :

4. php three connection status processing

Summary of detailed description of connection status

Introduction: PHP features three connection status processing - normal, aborted, timeout

##5.

Centos65 Check the number of nginx concurrent connections and TCP connection status Command

Introduction:: This article mainly introduces Centos65 commands to view the number of nginx concurrent connections and TCP connection status. Students who are interested in PHP tutorials can refer to it.

6.

linux scheduled task php scheduled task detects user connection status

Introduction: linux scheduled task: linux plan Task php scheduled task detects user connection status: Scheduled task copy code is as follows: ignore_user_abort(); // The user closes the browser program and still executes set_time_limit(0); // Does not limit the program running time $interval = 3; // Program loop Interval time seconds $link = mysql_connect('localhost', 'username', 'paswd'); mysql_select_db('test'); mysql

[Related Q&A recommendations]:

How to send network requests regularly in Linux?

php - How to implement real-time collection of html in java, give me an idea. Thanks!

Java determines the connection status of the socket

PHP & Memcached connection status

node.js - Node connection mysql timeout problem

The above is the detailed content of Summary of detailed description of connection status. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Maintenance Mode in Linux: When and Why to Use ItMaintenance Mode in Linux: When and Why to Use ItApr 25, 2025 am 12:15 AM

The timing and reasons for using Linux maintenance mode: 1) When the system starts up, 2) When performing major system updates or upgrades, 3) When performing file system maintenance. Maintenance mode provides a safe and controlled environment, ensuring operational safety and efficiency, reducing impact on users, and enhancing system security.

Linux: Essential Commands and OperationsLinux: Essential Commands and OperationsApr 24, 2025 am 12:20 AM

Indispensable commands in Linux include: 1.ls: list directory contents; 2.cd: change working directory; 3.mkdir: create a new directory; 4.rm: delete file or directory; 5.cp: copy file or directory; 6.mv: move or rename file or directory. These commands help users manage files and systems efficiently by interacting with the kernel.

Linux Operations: Managing Files, Directories, and PermissionsLinux Operations: Managing Files, Directories, and PermissionsApr 23, 2025 am 12:19 AM

In Linux, file and directory management uses ls, cd, mkdir, rm, cp, mv commands, and permission management uses chmod, chown, and chgrp commands. 1. File and directory management commands such as ls-l list detailed information, mkdir-p recursively create directories. 2. Permission management commands such as chmod755file set file permissions, chownuserfile changes file owner, and chgrpgroupfile changes file group. These commands are based on file system structure and user and group systems, and operate and control through system calls and metadata.

What is Maintenance Mode in Linux? ExplainedWhat is Maintenance Mode in Linux? ExplainedApr 22, 2025 am 12:06 AM

MaintenanceModeinLinuxisaspecialbootenvironmentforcriticalsystemmaintenancetasks.Itallowsadministratorstoperformtaskslikeresettingpasswords,repairingfilesystems,andrecoveringfrombootfailuresinaminimalenvironment.ToenterMaintenanceMode,interrupttheboo

Linux: A Deep Dive into Its Fundamental PartsLinux: A Deep Dive into Its Fundamental PartsApr 21, 2025 am 12:03 AM

The core components of Linux include kernel, file system, shell, user and kernel space, device drivers, and performance optimization and best practices. 1) The kernel is the core of the system, managing hardware, memory and processes. 2) The file system organizes data and supports multiple types such as ext4, Btrfs and XFS. 3) Shell is the command center for users to interact with the system and supports scripting. 4) Separate user space from kernel space to ensure system stability. 5) The device driver connects the hardware to the operating system. 6) Performance optimization includes tuning system configuration and following best practices.

Linux Architecture: Unveiling the 5 Basic ComponentsLinux Architecture: Unveiling the 5 Basic ComponentsApr 20, 2025 am 12:04 AM

The five basic components of the Linux system are: 1. Kernel, 2. System library, 3. System utilities, 4. Graphical user interface, 5. Applications. The kernel manages hardware resources, the system library provides precompiled functions, system utilities are used for system management, the GUI provides visual interaction, and applications use these components to implement functions.

Linux Operations: Utilizing the Maintenance ModeLinux Operations: Utilizing the Maintenance ModeApr 19, 2025 am 12:08 AM

Linux maintenance mode can be entered through the GRUB menu. The specific steps are: 1) Select the kernel in the GRUB menu and press 'e' to edit, 2) Add 'single' or '1' at the end of the 'linux' line, 3) Press Ctrl X to start. Maintenance mode provides a secure environment for tasks such as system repair, password reset and system upgrade.

Linux: How to Enter Recovery Mode (and Maintenance)Linux: How to Enter Recovery Mode (and Maintenance)Apr 18, 2025 am 12:05 AM

The steps to enter Linux recovery mode are: 1. Restart the system and press the specific key to enter the GRUB menu; 2. Select the option with (recoverymode); 3. Select the operation in the recovery mode menu, such as fsck or root. Recovery mode allows you to start the system in single-user mode, perform file system checks and repairs, edit configuration files, and other operations to help solve system problems.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

SublimeText3 Linux new version

SublimeText3 Linux new version

SublimeText3 Linux latest version

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)