Questions tagged [telnet]

A Unix command-line utility that facilitates simple two-way communications between a user and a server application listening on the specified port.

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Ubuntu 20.04 C-Kermit 9.0.302

C-Kermit is, to this day, unavailable for apt installation for Ubuntu 20.04. I got the tar from columbia.edu, tried to compile but failed.
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telnet using shell scripting using nodejs to run shell file

i wrote code for to run telnet via nodejs with shell scripting but its stuck in telnet password section this is my app.js code const shell = require('shelljs') shell.exec('./me.sh') and this is my ...
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How to remotely restart sshd?

When I try to connect to the ubuntu server, I get timeouts, ssh_exchange_identification: read: Connection reset by peer. Most of the answers suggest a reboot, but I'm unable to physically reboot it ...
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Telnet issue on remote port 80

I'm having issue when doing a telnet on port 80. I'm getting the following error "telnet: Unable to connect to remote host: Cannot assign requested address". I'm trying to telnet to google.com on ...
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MSSQL Linux Problems, port 1433 status opened from ufw, but still cannot remote or even telnet

I have problem with MSSQL in Linux, and i'm installing it on Ubuntu 18.04 linux, im already open port 1433 and 1434 via ufw but still have no luck with remote connection and even from telnet, here my ...
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unable to telnet using IP address

I running ubuntu 18.04 Server VM on my local network. Postgres is already installed and configured and successfully available to be accessed remotely. From the network machine which is Windows 10, ...
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69 views

Fritzbox access with telnet

I want to access my Fritzbox 7590 via telnet. I activation of telnet via the telephone number #96*7 doesn't work anymore. Is there any other possibility to access my Fritzbox via Telnet?
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1answer
72 views

telnet on 16.04

I've got a system running xenial and I need to verify if particular ports are open for 127.0.0.1 so I decided to install telnet to simply try to connect on that particular port. I've tried the ...
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1answer
402 views

Not able to open port between windows 10 and locally hosted Ubuntu VM created on Hyper-v

This started when I was trying to use docker swarm join from the ubuntu vm (created using hyper-v) to my windows 10 docker engine. I am using the default port 2377. I keep getting connection refused ...
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3k views

How to use telnet client in Ubuntu 18.04 terminal?

I read book about programming and networks.. Found this example: As written in this book, after last <Enter> we must receive page raw HTML code.. I upload small script to my host to minimize ...
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shell script test a telnet connection

I'm Trying to make a scipt that checks if my own specific port is open and can be connected. I tried doing it by netcat by nc -vz localhost 25565 but this only tells me if the port is open. I need ...
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945 views

Can't telnet from my Ubuntu server 18.04.1 to specific routers using the telnet port (23)

I don't want to go far in to details, because I know you should not use telnet but ssh instead, however in my situation I need to use telnet. Basically, I have a Ubuntu server 18.04.1 and I have a ...
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2k views

Echo output of telnet command via bash

I would like to initiate a telnet session, send a command, and store the output in a variable using bash. To do this manually, I do: telnet ip port >command1 However, I'm not sure how to script ...
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912 views

telnet file not found in etc/xinetd.d

$apt-get install -y telnetd $apt-get install -y xinetd $ls /etc/xinetd.d telnet is not found Kindly help.
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2answers
14k views

How to enable telnet server

I followed these instructions but when doing telnet localhost or telnet localhost 23, getting unable to connect to remote host: connection refused. I also shut down firewall: sudo ufw disable. When ...
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279 views

ubuntu pptp vpn with no encryption option not available

I am using ubuntu 18.04 LTS. I have setup a pptp VPN in network manager. The point is when I use windows to setup pptp VPN i should have select "no encryption option" as well as MSCHAP-v2 and it ...
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1answer
344 views

Can't access from domain locally

I have a Nextcloud Server on my Ubuntu 18.04 system with ddclient installed. I can access my server from my domain on a different device on the same network but can't access my server from my domain ...
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700 views

unable to telnet the ubuntu from windows host

i have ubuntu 16.4 as Host with IP 192.168.56.1 and Windows 7 as guest inside Virtualbox have IP 192.168.5.101 and the adapter mode is host-only , the host and guest can contact each other on Ping ...
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1answer
1k views

Configuring telnet on my new Ubuntu VM [closed]

I want to configure telnet for my fresh Ubuntu VM. Can you please provide the necessary steps? I'm also looking for steps to configure ssh in a Ubuntu system and how it can be connected from a client ...
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1answer
56 views

Question about using the Telnet. [closed]

How can I enable the Telnet service on Ubuntu 16.04 LTS? Can somebody include a detailed description about the needed packages and configurations and use it and what are it's advantages?
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Cannot access Ambari UI

I installed Ambari server and agent on the same instance just to make tests. The problem is that I cannot access Ambari UI on port 8080. I tried running telnet 172.xx.xx.xx 8080, but there is no ...
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1answer
438 views

Open a port in ubuntu 17.10 for dosbox

I am trying to open a port in Ubuntu 17.10, but first some background. For the last 16 hours I've been working on getting a BBS mailer set up under dosbox. In my dosbox conf, I have set up "serial1=...
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3answers
15k views

How can I quit when connected via telnet?

I have a telnet connection through askubuntu.com 80 while trying to test cli based webbrowsing for github project. I got my connection established over port 80 but now I cannot do anything, even quit. ...
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2answers
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Unable to enable IPv6 for telnet server

I am trying to enable IPv6 on the telnet server running on Ubuntu 16.04, but I cannot. My configuration files look like the following. /etc/xinetd.d/telnet service telnet { disable =...
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1answer
1k views

Telnet localhost access for root user

I have installed telnet in my Ubuntu 14.04 PC. I am able to telnet a remote machine in same network. But I cannot telnet to my PC with root user which is local host. How can I solve the issue?
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smtp error 421 4.4.2 Error: timeout exceeded after few minutes and some bytes received - Ubuntu 16.04

I get the following error while trying to send the email using telnet from the client xxxx-01 with the mail body exceeding certain amount of text. The same length of the body works fine on the ...
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1answer
3k views

Can telnet to localhost but cannot telnet to my LAN IP

I am using Ubuntu 14.04 LTS. I config my /etc/network/interfaces like this: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.5.201 gateway 192.168.5.1 netmask 255.255....
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2answers
38k views

telnet: Unable to connect to remote host: Connection refused

I am inside docker and I have installed zookeeper and trying to test it using telnet But it is not working $ telnet localhost 2181 Trying ::1... Trying 127.0.0.1... telnet: Unable to connect to ...
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1answer
470 views

Telnet with Arduino & WiFi shield: connection refused

I've equipped an Arduino Due with a WiFi shield and want to run a Telnet server on the Arduino. I've found here how to: https://www.arduino.cc/en/Tutorial/WiFiChatServer I copied the whole code and ...
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3answers
122k views

How to install a telnet client?

How can we install a telnet client in Ubuntu 16.04? With this command, we can install a telnet server: sudo apt-get install xinetd telnetd But can a telnet client be installed without a telnet ...
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1answer
1k views

Connection refused when Host OS(Ubuntu) telnet the Guest OS(Windows XP) of the Virtualbox

I can't telnet the Guest OS(Windows xp) in my ubuntu machine but I can successfully ping its IP address. In the network settings of guest os, I enabled two adapters. Here are the the settings of the ...
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2answers
4k views

how to calculate script run time [duplicate]

Consider this shell redirect: telnet towel.blinkenlights.nl >> starWarz when it ends, the session will break, detach from host or something like that. I want to know how long the connection ...
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1answer
584 views

telnetd: getpty: No such file or directory

root@hj-ibmibm1677:~# telnet localhost Trying ::1... Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. telnetd: getpty: No such file or directory . Connection closed by foreign ...
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735 views

why command telnet responds strange? [closed]

i pass network course university 4 years before,i have a question that is possible amateur ,please help me.. i have ubuntu on vmware.i use this command: telnet google.com 80 it responds: Trying ...
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3k views

cannot telnet into ubuntu from windows 7

I have a php server running on port 4444 on my Ubuntu 15.04 machine. Now when I execute telnet 127.0.0.1 4444 it works fine. Now I have connected my machine and a windows 7 machine using mobile ...
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1answer
278 views

TCP or Telnet server for Ubuntu

I can use telnet to connect to a telnet server simply by typing: 'telnet localhost', whereas localhost can be replaced with any desired IP-Address. But now I want to do something different and I have ...
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0answers
64 views

Can I send ascii input through a dualshock 3

is it possible to send ascii input to a computer through a dualshock 3? I'm trying to play a telnet game called mtrek through a terminal with a controller.
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1answer
5k views

Telnet is not working in ubuntu 14.04

I'm new to Ubuntu and want to install Telnet and then enable it. I tried following commands- sudo apt-get install xinetd sudo apt-get install telnetd Both were installed ,and I checked that which ...
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2answers
157k views

How can the Telnet service on Ubuntu Server 14.04 LTS be enabled?

How can I enable the Telnet service on Ubuntu Server 14.04 LTS? Can somebody include a detailed description about the needed packages and configurations?
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1answer
870 views

Can you create an executable telnet application on the desktop?

I am trying to create a telnet shortcut. I cant seem to find a way to do this. Any ideas?
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1answer
244 views

telnet to zimbra 110 port failed from ubuntu 12.04

We are using Thunderbird on Ubuntu 12.04, Windowx XP and Windows 7. Telnet to 25 port done successful from both Windows and Ubuntu clients. When we telnet to mail server port 110 from any Windows ...
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1answer
2k views

Cannot access Windows 7 machine from Ubuntu 14.04 via Telnet

I have a machine running Windows 7 and I want to connect to it from Ubuntu. Until now it was working just fine. But now, when I try to connect to Windows 7 from Ubuntu, I get this: telnet: Unable ...
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1answer
1k views

Telnet after update to 15.04 not working

I updated to 15.04 using the server command sudo do-release-upgrade. Since the upgrade was complete and after a reboot, I am unable to telnet to the server. Port 23 is not listened while the telnetd,...
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1answer
521 views

During system restart telnet service isn't start automatically

Each time i restart the system i need to login through SSH & then restart the telnet service manually. Any idea how to get rid of this? System Info: Ubuntu 15.04 (GNU/Linux 3.16.0-36-generic ...
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3answers
108k views

How to start X application from SSH [duplicate]

I've tried to search this topic in google, but without any significant results. I need to start some GUI app from terminal, but I don't care what this app is showing me. In addition, I need to start ...
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1answer
2k views

Execute command on remote machine using telnet in one line

I need to write a script to monitor wlan0 interface of my remote machine. I can do this by executing iwconfig wlan0 repeatedly on remote machine. But how to login to that machine and execute this ...
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2answers
357 views

Want to start few services automatically during system boot

I am using latest ubuntu version: Ubuntu 15.04 (GNU/Linux 3.16.0-36-generic x86_64) When i reboot my whole system, i need to restart telnet, nagios services manually. Would you please let me know ...
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2answers
16k views

Why I can't I telnet to a specific port?

the port 7778 is in listen, netstat -tulpn tcp 0 0 127.0.0.1:7778 0.0.0.0:* LISTEN 22776/java but I can't telnet that port from remote machine while I can telnet other ...
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249 views

IpProtocols firefox add-on with gnome-terminal and multiple tabs

I want to use Firefox with IpProtocols 0.2.3 to launch telnet sessions from browser. It is working well for me with xterm terminal emulator, but i wish to use multiple tabs. Now I try to use gnome-...
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1answer
5k views

telnet://IP from Firefox and Chrome

I have a problem initiating telnet sessions (telnet://IP) from Firefox and Chrome. With Chrome I have the following problem: When I click the telnet link, appears the "External Protocol Request" ...