Home Operation and Maintenance Linux Operation and Maintenance What is the command to view the port in Linux?

What is the command to view the port in Linux?

Mar 10, 2023 am 09:32 AM
linux port

The command to view ports under Linux is the netstat command. You can use the netstat command to know the network status of the entire Linux system; the syntax for using this command is "netstat [-acCeFghilMnNoprstuvVwx][-A][--ip ]", setting the "-t" parameter will display the TCP port, and setting the "-u" parameter will display the UDP port.

What is the command to view the port in Linux?

The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

What is the command to view the port in Linux?

The Linux netstat command is used to display network status.

Using the netstat command allows you to know the network status of the entire Linux system.

Syntax:netstat [-acCeFghilMnNoprstuvVwx][-A<Network Type>][--ip]

##Common commands for linux to view ports

netstat command parameters:

-t: Specify the TCP port to display

-u: Specify the display UDP port

 -l: Only display the listening socket (the so-called socket is a program that enables the application to read, write, and send and receive communication protocols and data)

 -p: Display process identifier and program name. Each socket/port belongs to a program.

 -n: Do not perform DNS polling, display IP (can speed up the operation)

can display all ports and process services on the current server, in Combining grep can check a specific port and service situation··

netstat -ntlp//查看当前所有tcp端口·
netstat -ntulp |grep80//查看所有80端口使用情况·
netstat -an | grep3306//查看所有3306端口使用情况·
Copy after login

Check which services and ports are on a server

netstat  -lanp
Copy after login

Check how many ports a service has. For example, you want to check mysqld

ps -ef |grep mysqld
Copy after login

to check the number of connections of a certain port, such as 3306 port

netstat -pnt |grep :3306|wc
Copy after login

to check the connection client IP of a certain port, such as 3306 port

netstat -anp |grep3306
Copy after login
netstat -an 查看网络端口
Copy after login

lsof -i :port, use lsof -i :port to see the program running on the specified port, as well as the current connection.

nmap 端口扫描
netstat -nupl  (UDP类型的端口)
netstat -ntpl  (TCP类型的端口)
netstat -anp 显示系统端口使用情况
Copy after login

Related recommendations: "

Linux Video Tutorial"

The above is the detailed content of What is the command to view the port in Linux?. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
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

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 Article

Roblox: Bubble Gum Simulator Infinity - How To Get And Use Royal Keys
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Mandragora: Whispers Of The Witch Tree - How To Unlock The Grappling Hook
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Nordhold: Fusion System, Explained
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Java Tutorial
1669
14
PHP Tutorial
1273
29
C# Tutorial
1256
24
Linux Architecture: Unveiling the 5 Basic Components Linux Architecture: Unveiling the 5 Basic Components Apr 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.

vscode Previous Next Shortcut Key vscode Previous Next Shortcut Key Apr 15, 2025 pm 10:51 PM

VS Code One-step/Next step shortcut key usage: One-step (backward): Windows/Linux: Ctrl ←; macOS: Cmd ←Next step (forward): Windows/Linux: Ctrl →; macOS: Cmd →

How to check the warehouse address of git How to check the warehouse address of git Apr 17, 2025 pm 01:54 PM

To view the Git repository address, perform the following steps: 1. Open the command line and navigate to the repository directory; 2. Run the "git remote -v" command; 3. View the repository name in the output and its corresponding address.

How to run java code in notepad How to run java code in notepad Apr 16, 2025 pm 07:39 PM

Although Notepad cannot run Java code directly, it can be achieved by using other tools: using the command line compiler (javac) to generate a bytecode file (filename.class). Use the Java interpreter (java) to interpret bytecode, execute the code, and output the result.

How to run sublime after writing the code How to run sublime after writing the code Apr 16, 2025 am 08:51 AM

There are six ways to run code in Sublime: through hotkeys, menus, build systems, command lines, set default build systems, and custom build commands, and run individual files/projects by right-clicking on projects/files. The build system availability depends on the installation of Sublime Text.

What is the main purpose of Linux? What is the main purpose of Linux? Apr 16, 2025 am 12:19 AM

The main uses of Linux include: 1. Server operating system, 2. Embedded system, 3. Desktop operating system, 4. Development and testing environment. Linux excels in these areas, providing stability, security and efficient development tools.

laravel installation code laravel installation code Apr 18, 2025 pm 12:30 PM

To install Laravel, follow these steps in sequence: Install Composer (for macOS/Linux and Windows) Install Laravel Installer Create a new project Start Service Access Application (URL: http://127.0.0.1:8000) Set up the database connection (if required)

git software installation git software installation Apr 17, 2025 am 11:57 AM

Installing Git software includes the following steps: Download the installation package and run the installation package to verify the installation configuration Git installation Git Bash (Windows only)

See all articles