How to install and use the telnet command in CentOS 7?

2 years ago
Isabella Edwards
2 minutes

To install and use the telnet command on CentOS 7, you can follow these steps:

  1. Open the terminal or connect to the CentOS 7 server using SSH.
  2. Perform the following operation using the root user or a user with sudo privileges.

Install Telnet client:
3. Run the following command to install the Telnet client:

sudo yum install telnet -y
  1. The system will prompt you to enter a password to confirm the installation. Enter the password and press the Enter key to proceed with the installation.

To use the Telnet command:
5. Enter the following command to connect to a remote host using Telnet:

telnet <远程主机IP地址> <端口号>

Replace and with the actual remote host IP address and port number.

  1. If the connection is successful, you will see the following information:
  2. Attempting to connect to the remote host with IP address . Connection established with . Use ‘^]’ to escape.
  3. This means you have successfully connected to the remote host.
  4. You can now use the telnet command to perform operations on a remote host, such as sending commands or engaging in interactive sessions.
  5. To exit a telnet session, press Ctrl+] and then type “quit” followed by pressing the Enter key.
  6. Please exit the telnet session.

In this way, you can install and use the telnet command on CentOS 7. Please be aware that the telnet protocol is not secure, and it is recommended to use the more secure SSH protocol for remote connections.

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