How to quickly determine the number of telnet processes in Linux?

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Release: 2024-03-02 09:33:04
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How to quickly determine the number of telnet processes in Linux?

In the Linux operating system, Telnet is a protocol used to remotely log in to other computers. The Telnet tool is usually used for remote login. Sometimes we may need to quickly determine the number of Telnet processes on the current system for performance monitoring or troubleshooting. The following will introduce a method to quickly determine the number of Telnet processes in Linux through the command line, and attach specific code examples.

Steps

  1. Open the terminal and enter the following command to view the number of all Telnet processes in the current system:

    ps aux | grep telnet | grep -v grep | wc -l
    Copy after login
  2. After entering the above command After that, the system will return a number, which is the number of Telnet processes in the current system.

Explanation of code examples

  • ps aux: Used to display detailed information of all processes in the current system.
  • grep telnet: Filter out process information containing the "telnet" keyword.
  • grep -v grep: Remove lines containing the "grep" keyword to avoid counting the grep process.
  • wc -l: Count the number of lines after the above filtering, which is the number of Telnet processes.

Notes

  • Telnet has gradually been replaced by SSH. There are security issues in using Telnet. It is recommended to use Telnet as little as possible for remote login.
  • When confirming the number of Telnet processes, make sure that no other processes related to the Telnet keyword are counted.

Through the above methods, you can quickly determine the number of Telnet processes in Linux and perform necessary processing and tuning according to the actual situation. Hope the above content is helpful to you.

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