telnet won't start

luvdemheels · Post by **luvdemheels** » 2014/07/23 12:50:57

I am getting the following:

Jul 23 08:22:03 testlinux.nacscom.com xinetd[1352]: bind failed (Address already
in use (errno = 98)). service = telnet
Jul 23 08:22:03 testlinux.nacscom.com xinetd[1352]: Service telnet failed to sta
rt and is deactivated.

When I run the following lsof I see:

lsof -i tcp:23
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
systemd 1 root 24u IPv6 14991 0t0 TCP *:telnet (LISTEN)

I have no clue what to do to get telnet running. Please help.

Post by **TrevorH** » 2014/07/23 17:50:07

Silly question but why on earth are you trying to get telnet running? Hello! The '80s called and want their daemon back...

chemal · Post by **chemal** » 2014/07/24 01:31:37

Systemd also replaces xinetd, I guess. Forget everything you thought you knew. Learn systemd.

luvdemheels · Post by **luvdemheels** » 2014/07/24 18:42:34

Really embarrassing but where i work i am stuck in the stone age and am tasked with getting this to work. Would appreciate any help!!

gerald_clark · Post by **gerald_clark** » 2014/07/24 23:21:10

yum install telnet-server
systemctl enable telnet.socket
systemctl start telnet.socket
firewall-cmd --add-service=telnet --permanent

luvdemheels · Post by **luvdemheels** » 2014/07/25 13:00:31

Thanks for the replay. Tried that and still getting the same xinetd message as above and cannot telnet. Any other ideas?

gerald_clark · Post by **gerald_clark** » 2014/07/25 22:00:09

C7 does not use xinetd to manage telnet.
Did you create an entry in /etc/xinetd.d for telnet?
If so, remove it and restart xinetd.d

I verified the instructions I posted work both with and without xinetd being installed.

luvdemheels · Post by **luvdemheels** » 2014/07/25 23:57:35

Gerald, Thank you so much!!!!!

Good grief you just saved me. I can't believe I am stuck in the stone age but Thanks!!

math.qe · Post by **math.qe** » 2017/11/26 20:10:23

Hi guys,

I have the same problem :/

Would you please help me?

[root@addie ~]# systemctl start telnet.socket
[root@addie ~]# systemctl enable telnet.socket
[root@addie ~]# telnet 192.168.0.110
Trying 192.168.0.110...
telnet: connect to address 192.168.0.110: No route to host

pjsr2 · Post by **pjsr2** » 2017/11/26 21:53:05

Do not use telnet. It is a very unsafe protocol (it sends the login name and password without encryption across the network). Use ssh for your terminal connections.

That said, the message "No route to host" is likely caused by the firewall blocking the connection.

Also, don't login as root. Login as a non-root user and use the "sudo" command to execute those commands that really require root-privileges.

CentOS

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