Telnet is probably spitting that out to standard error, which isn't caught by command substitutions and in your code isn't redirected nor piped. Try redirecting telnet's stderr to /dev/null.
If not for this script then for the future, it would likely benefit you to learn more about netcat (aka nc).
"421 service not available, remote server has closed connection."
I tried to do ftp to one of the unix server .
ftp hostname
password
It get connects when i do any command it throws error
ftp> ls
"421 service not available, remote server has closed connection." (1 Reply)
Hi Everyone,
Good day.
Scenario:
2 unix servers -- A (SunOS) and B (AIX)
I have an ftp script to sftp 30 files from A to B which happen almost instantaneously i.e 30 sftp's happen at the same time.
Some of these sftp's fail with the following error:
ssh_exchange_identification: Connection... (1 Reply)
Hi All,
When i try to do ssh from a linux to solaris box its throughing "Connection closed by remote host". Please not that this error is not occuring every time i do ssh, it occurs at random timing( Mostly ssh is successful) - unfortunately my script which is doing ssh is falling at this time... (4 Replies)
OS: Solaris 8 Sparc
server1:userA:/home/userA# ssh userB@server1
Connection closed by < IP address>
Problem: From being a userA, I am unable to connect/ssh to the same server as when trying to use a different account. (userB)
Do you know where can i start checking? Here are some... (3 Replies)
I am trying to connect to my HP server from remote machine.
It gets connected but once credential are provided the connection is closed.
adroit:/home/seo/hitendra 32 ] telnet myserv1
Trying...
Connected to myserv1.
Escape character is '^]'.
Local flow control on
Telnet TERMINAL-SPEED... (4 Replies)
Version Details
Solaris version : Oracle Solaris 10 8/11 s10x_u10wos_17b X86
$ uname -a
SunOS tippy178 5.10 Generic_147441-01 i86pc i386 i86pcThe Issue
+++++++++
I have two solaris 10 Virtual Machines created using Virtual Box. One of my applications running on Source was trying to connect... (9 Replies)
Please can you help me understand the significance of providing arguments under sh -s in
> ssh -qtt ${user}@${host} "sh -s "${version}"" < test.sh (4 Replies)
Hello Everyone,
My following script is giving me problems, when the SIP trunk goes down and the telnet session is started and just when the command is about to complete the connection is closed then script restarts.
I have noticed that as soon the script types in "sys re" or "sys rebo" or... (6 Replies)
In program, I want to telnet the ports present in telnet.txt file and capture screenshot of open port which is opened on new terminal.
Problems:
Escape character is '^]' and Connection closed by foreign host.
Loop is not working properly. It only take one ports and closed the connection.
... (9 Replies)
Hello,
I'm trying to learn and automate some tasks via a script, but my first ever script failed with "connection closed by foreign host" error. I checked the other discussions but it didn't help. Could you please help?
#!/bin/bash
( sleep 2
echo open x.x.x.x 23
sleep 2
echo user
sleep 2... (1 Reply)
Discussion started by: Myrtle
1 Replies
LEARN ABOUT DEBIAN
vdetelweb
VDETELWEB(1) General Commands Manual VDETELWEB(1)NAME
vdetelweb - Virtual Distributed Ethernet Telnet and/or Web management module
SYNOPSIS
vdetelweb [ --web ] [ --telnet ] [ --nodename nodename ] [ --daemon ] [ --rcfile rcfile ] mgmt_socket
DESCRIPTION
vdetelweb implements a tiny telnet server and/or a tiny web server for the remote management of a VDE2 switch.
OPTIONS -w, --web
start the web server. At least one of --web or --telnet must be set.
-t, --telnet
start the telnet server. At least one of --web or --telnet must be set.
-n, --nodename nodename
specify the nodename as seen from remote connections (e.g. in the command prompt or in the web page title). uname nodename is used
when this option is not specified.
-d, --daemon
run as a daemon, using syslog for logging.
-f, --rcfile rcfile
rc file to set the initial switch configuration. When not specified, vdetelweb searches for ~/.vde/vdetelwebrc and /etc/vde/vdetel-
webrc. At leas one rc file must exist and be readable.
-h, --help
print help. please use it for a more complete list of options.
mgmt_socket
is the managemnt socket used to communicate with the vde_switch. (This option must match the path used in the -M option for the
vde_switch).
NOTICE
Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik"
i.e. the German "Association for Electrical, Electronic & Information Technologies").
SEE ALSO vde_switch(1), vde_plug(1), vdeq(1). dpipe(1). unixterm(1).
AUTHOR
VDE is a project by Renzo Davoli <renzo@cs.unibo.it>
Virtual Distributed Ethernet June 16, 2008 VDETELWEB(1)