How to pass ^] character for a script to automate sending commands in my telnet device ?
Hi,
I usually log into my device using
like this
Here i press ctrl+] and a 'telnet>' prompt comes up.
Then I send 'send brk' command thus a '?' prompt show up. Here I give the 'login' command and I get "Enter your username " prompt .
Then I use the credentials to log in to the device.
I want to automate the process using a shell script (I dont have permission to install expect on the device )and send a command after logging into the device. I am having trouble sending the ctrl+] using the shell script. Here is my script as of now.
when i run this i get
I believe the ctrl+] is not going through the script. How can I change the script to perform the above said process? Thanks in advance.
Hi,
I have to run a script shell on a unix server from my windows PC. For that, I open a cmd windows and use Telnet to connect to the unix and run the script (by the .profile of a special user). Is it possible to automate Telnet in order to not enter the user and the password ?
Anyway, has... (4 Replies)
This is my first post so hello to all of you!
I have a script in bash-3.00 that needs to execute the following:
pkgrm (to remove an existing package)
pkgadd -d ( to install a new package)
The problem is that both commands prompt me to answer either y,n or q in order to proceed with... (13 Replies)
Hi all,
I am currently running a daemon which creates a virtual terminal for testing purposes. Essentially, if I were to interact with it manually, this is what I get.
john@test1:~$telnet localhost 7777
Trying ::1...
Connected to localhost.
Escape character is '^]'
mip6d> pl
eth2... (6 Replies)
HI,
In some test cases, I used tools like "dd" and "shed" to manually read a block from the disk, modify it using a hex editor and write it back using "dd".
I need help with some linux commands I can use to read the block and change the data to induce the corruption....as I want to automate my... (3 Replies)
I am connecting to a device using telnet, I want my script to perform certain commands : ie- show device , show inventory..etc and write the output it sees from the terminal to a file.
this is what I have got :
#!/usr/bin/expect --
set running 1
spawn telnet <ip address>
expect ... (1 Reply)
hi,
i've bash script thats working...
but now i need to add a line....that prompts for user input....like yes and 1 as complete install....
so here's how it looks...
$ cd 9200 (cd into directory)
$./install (hv to type ./install to run install then ask for)
----do you want to... (4 Replies)
i have to connect windows server from one of the unix box so i am using telnet and below is my following code
#!/bin/sh
host=hostname
log=loginid
port=23
pass=password
cmd1=mkdir test1234
( echo open ${host} ${port}
sleep 1
echo ${log}
sleep 3
echo "\r\n"
sleep 3
echo ${pass}... (11 Replies)
Hello!
Need help to write a Linux script that can be run from windows using command/Cygwin/any other way. I am new to scripting, actually i am trying to automate server health check like free disk space, memory along with few services status, if any services is not running then start services ,... (7 Replies)
Hi Guys,
this is the scenario:
ubuntu pc and I have 10 wireless devices that I need to check their firmware version.
I would like to create a script that it will ask me IP, after I enter it, I hit enter then it will show me the version of the firmware.
this is what i do.
ssh... (9 Replies)
I am new in scripting,
I need script(BASH) which do telenet to one of the elements & run few commands , after running it successfully it will check status of files & exit.
Help is greatly appreciated 🙏 (2 Replies)
Discussion started by: Vinesh_123
2 Replies
LEARN ABOUT OSF1
telnetd
telnetd(8) System Manager's Manual telnetd(8)NAME
telnetd - The DARPA telnet protocol server
SYNOPSIS
telnetd [-debug [port]] [-D modifier ...]
FLAGS
Starts telnetd manually, rather than through inetd, on alternate TCP port number port (if specified). Prints out debugging information.
modifiers are: Prints information about negotiation of telnet options Same as options with additional processing information Displays the
data stream received by telnetd Displays data written to the pty Not yet implemented
DESCRIPTION
The telnetd daemon is a server that supports the DARPA (Defense Advanced Research Projects Agency) standard telnet virtual terminal proto-
col. telnetd is invoked by the Internet server (see inetd(8)) normally for requests to connect to the telnet port as indicated by the
/etc/services file (see services(4)). The -debug flag may be used, to start up telnetd manually. If started up this way, port may be
specified to run telnetd on an alternate TCP port number.
The -D options may be used for debugging purposes. This allows telnetd to print out debugging information to the connection, allowing the
user to see what telnetd is doing.
The telnetd daemon operates by allocating a pseudoterminal device (see pty(7)) for a client, then creating a login process that has the
slave side of the pseudoterminal as stdin, stdout, and stderr. telnetd manipulates the master side of the pseudo-terminal, implementing
the telnet protocol and passing characters between the remote client and the login process.
When a telnet session is started up, telnetd sends telnet options to the client side, indicating a willingness to do remote echo of charac-
ters, to suppress go ahead, to do remote flow control, and to receive terminal type information, terminal speed information, and window
size information from the remote client. If the remote client is willing, the remote terminal type is propagated in the environment of the
created login process. The pseudoterminal allocated to the client is configured to operate in cooked mode, and with XTABS and CRMOD
enabled (see tty(7)).
The telnetd daemon is willing to do: echo, binary, suppress go ahead, and timing mark. telnetd is willing to have the remote client do:
line mode, binary, terminal type, terminal speed, window size, toggle flow control, environment, X display location, and suppress go ahead.
The telnetd daemon never sends telnet go ahead commands.
Note that binary mode has no common interpretation except between similar operating systems (Unix compatible systems in this case).
Note also that the terminal type name received from the remote client is converted to lowercase.
The telnet command uses the default Type-of-Service value recommended by RFC1060, which is as follows: Low delay
You can configure this value by specifying it in the /etc/iptos file. For more information, see iptos(4).
By default, the telnetd daemon starts the login dialog using the login string specified in the message field of the /etc/gettydefs file.
If you want to use a customized banner, create an /etc/issue.net or /etc/issue file. The telnetd daemon reads the file that exists and
writes its contents over a new telnet connection prior to starting the login dialog. If both files exist, only the /etc/issue.net file is
used.
CAUTIONS
Some telnet commands are only partially implemented.
Because of bugs in the original 4.2BSD telnet(1), telnetd performs some dubious protocol exchanges to try to discover if the remote client
is, in fact, a 4.2BSD telnet(1).
FILES
Specifies the command path. Specifies the path name for the network issue identification file. Specifies the path name for the issue
identification file.
RELATED INFORMATION
Commands: telnet(1).
Files: iptos(4), issue(4), issue.net(4). delim off
telnetd(8)