How do you start and stop the telnet service in Linux?

To enable or disable the Telnet service on Linux, you can follow these steps:

Turn on the Telnet service.

1. Open a terminal window and log into the system with root privileges.
2. For Debian or Ubuntu systems, use the following command to install telnetd: sudo apt-get install telnetd.
3. For systems running Red Hat, CentOS, or Fedora: use sudo yum to install the telnet-server package.
4. For Debian or Ubuntu systems, use the command “sudo systemctl start telnetd”
5. To initiate the telnet service on Red Hat, CentOS, or Fedora systems, use the command: sudo systemctl start telnet
6. connect to the server using its IP address or domain name

Turn off the Telnet service.

1. Open a terminal window and log into the system with root privileges.
2. For Debian or Ubuntu systems, use the following command to stop telnetd: sudo systemctl stop telnetd.
3. For Red Hat, CentOS, or Fedora systems: use “sudo systemctl stop telnet” to stop the telnet service.
4. For Debian or Ubuntu systems, use the command “sudo apt-get remove telnetd” to uninstall the telnetd package.
5. For Red Hat, CentOS, or Fedora systems: Use ‘sudo yum remove telnet-server’ to uninstall the telnet server.

Please note that due to Telnet being an insecure protocol, it is recommended to use the more secure SSH protocol for remotely connecting to Linux servers.