Course Introduction：The netstat command can be used to check network connections, routing tables, interface statistics, etc. 1. Use netstat-tuln to view TCP and UDP connections in the monitored state to help identify which services are receiving connections; 2. Use netstat-r to view the kernel routing table to troubleshoot connection problems; 3. Use netstat-i to monitor the statistical information of the network interface, such as packet loss; 4. Use grep, watch and other tools to enhance functions, but modern systems recommend using ss instead of netstat.
2025-07-13 comment 0 440
Course Introduction：netstat (network statistics) is a command-line tool for monitoring network connections both incoming and outgoing as well as viewing routing tables, interface statistics, etc. [ You might also like: 22 Linux Networking Commands for Sysadmin ] netstat
2025-07-06 comment 0 842
Course Introduction：To check open ports in Linux system, you can use netstat or ss tool; 1. Use sudonetstat-tuln or sudoss-tuln to view all listening ports; 2. Add -p parameters (netstat) or p (ss) to display process information of the listening port; 3. Check whether a specific port is open through the pipeline | grep: port number; it is recommended to use ss first, because it is more efficient. If you need to install netstat, you can implement it by installing the net-tools package. Troubleshooting external access conditions must also cooperate with telnet, nc or nmap tests.
2025-07-17 comment 0 745
Course Introduction：Efficient Network Monitoring: Mastering Netstat with Aliases In today's complex digital world, effective network monitoring is crucial for system security and performance. This is true whether you're a seasoned network engineer or an IT enthusiast.
2025-03-10 comment 0 1128
Course Introduction：Netstat – which comes from the words network and statistics – is a command-line tool used by system administrators to analyze network statistics.It shows various kinds of information such as open ports along with their addresses on the host, the rout
2025-06-11 comment 0 387
Course Elementary 13824
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82359
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13178
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24628
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27486
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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