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Full Discussion: Expect timeout
Top Forums Shell Programming and Scripting Expect timeout Post 302905816 by ygemici on Saturday 14th of June 2014 12:51:26 PM
Old 06-14-2014
Quote:
Originally Posted by ux4me
thanks for the expect code, but do we know if we can replace telnet with another tool, e.g. ssh to test for open and listening ports on the remote system?
u can check the ssh-port 22 , like below (check the port over tcp-22)
Code:
# ./telnetcheck host 22 
Connection is Success

or u can use netcat (nc) utility
Code:
# nc -z localhost 22
Connection to localhost 22 port [tcp/ssh] succeeded!

or ip-range
Code:
# nc -z localhost 1-22
Connection to localhost 21 port [tcp/ftp] succeeded!
Connection to localhost 22 port [tcp/ssh] succeeded!

regards
ygemici
 

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SSH-COPY-ID(1)						    BSD General Commands Manual 					    SSH-COPY-ID(1)

NAME
ssh-copy-id -- copy public keys to a remote host SYNOPSIS
ssh-copy-id [-lv] [-i keyfile] [-o option] [-p port] [user@]hostname DESCRIPTION
The ssh-copy-id utility copies public keys to a remote host's ~/.ssh/authorized_keys file (creating the file and directory, if required). The following options are available: -i file Copy the public key contained in file. This option can be specified multiple times and can be combined with the -l option. If a private key is specified and a public key is found then the public key will be used. -l Copy the keys currently held by ssh-agent(1). This is the default if the -i option was not specified. -o ssh-option Pass this option directly to ssh(1). This option can be specified multiple times. -p port Connect to the specified port on the remote host instead of the default. -v Pass -v to ssh(1). The remaining arguments are a list of remote hosts to connect to, each one optionally qualified by a user name. EXIT STATUS
The ssh-copy-id utility exits 0 on success, and >0 if an error occurs. EXAMPLES
To send a specific key to multiple hosts: $ ssh-copy-id -i /path/to/keyfile.pub user@host1 user@host2 user@host3 HISTORY
The ssh-copy-id utility was written by Eitan Adler <eadler@FreeBSD.org> as a drop-in replacement for an existing utility included with OpenSSH. BSD
February 28, 2014 BSD
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