

Running the w command now shows you as connecting from the external IP address. Edit the issue and files in your /etc directory to change these messages. In fact, even saying Ubuntu is questionable. This is insecure: giving away version numbers is never a smart move. Your machine will probably respond with Ubuntu and some version information. Note that the server responds with Welcome to telnetserver, running Ubuntu LAMP server, which is a customized message. If you are using windows machine you can download telnet clients if you like like putty and teraterm to connect. The whole conversation should look like this You are prompted to enter your username and password. You can now fire up your other Linux box and type telnet. Once installed, select Administration, Services and enable Telnet This will complete the installation.Now you Restart inetd service using the following command

HOW TO USE TELNET AS ROOT LOGIN IN UBUNTU 16.04 INSTALL
You will find the Telnet server installation packages in Synaptic under the telnetd package.If you want to install telnet server package you can also use the following command Telnet is a common way to remotely control Web servers. To start a Telnet session, you must log in to a server by entering a valid username and password. This enables you to control the server and communicate with other servers on the network. You can then enter commands through the Telnet program and they will be executed as if you were entering them directly on the server console. The Telnet program runs on your computer and connects your PC to a server on the network. A terminal emulation program for TCP/IP networks such as the Internet.
