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Top Forums Shell Programming and Scripting Expect script not passing password / commands ?? Post 303031709 by jacob600 on Monday 4th of March 2019 06:41:05 PM
Old 03-04-2019
Expect script not passing password / commands ??

Newbie here. My goal is to have the expect script log into the Ubuntu 18.04 server and run two commands (lsb_release -a and ip addr) and eventually pipe the output/results to a file. For now, I would be happy to get this one command or two to run successfully. How to fix this?

Code:
#!/usr/bin/expect 
set timeout 60 
spawn ssh admin@192.168.1.12
expect " admin@192.168.1.12's password: " 
send " admin\r" 
expect " admin@server1:~$ " 
send " \r" 
expect " admin@server1:~$ "
send " lsb_release -a "
expect " admin@server1:~$ "

Error: I get the password prompt but the script isn't passing the password (??)
Code:
admin@server1:~$ expect test.exp
spawn ssh admin@192.168.1.12
admin@192.168.1.12's password:

Normal response/output using "ssh -l" from the cli.
Code:
admin@server1:~$ ssh -l admin 192.168.1.12
admin@192.168.1.12's password:
Welcome to Ubuntu 18.04.1 LTS (GNU/Linux 4.15.0-45-generic x86_64)

... misc output here

*** System restart required ***
Last login: Mon Mar  4 14:40:27 2019 from 192.168.1.10
admin@server1:~$

Moderator's Comments:
Mod Comment Please use CODE tags for sample input, sample output, AND code segments.

Last edited by Don Cragun; 03-04-2019 at 09:07 PM..
 

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asadmin-start-instance(1AS)					   User Commands				       asadmin-start-instance(1AS)

NAME
asadmin-start-instance, start-instance - starts a server instance and all the services associated with it SYNOPSIS
start-instance [--user admin_user] [--password admin_password] [--host local_host] [--port 4848] [--local=false] [--domain domain_name] [--debug=false] [--passwordfile filename] [--secure|-s] instance_name Use the start-instance command to start an instance with the instance name you specify. The start-instance command can be run both locally and remotely. To start locally, with a domain name identified, the named instance must already exist within that domain. To start remotely, the administration server must be running on the hostname and port number specified. The user authenticates using the password identified for the administration server. OPTIONS
--user administrative user associated for the instance. --password administrative password corresponding to the administrative user. --host host name of the machine hosting the administrative instance. --port administrative port number associated with the administrative host. --local determines if the command should delegate the request to administrative instance or run locally. --domain name of the domain. --debug starts the instance in debug mode. --passwordfile file containing passwords appropriate for the command (e.g., administrative instance). --secure if true, uses SSL/TLS to communicate with the administrative instance. OPERANDS
instance_name name of the instance to be started. Example 1: Using start-instance in local mode asadmin> start-instance --domain domain1 admin-server Instance admin-server started Where: the admin-server instance is started on the local domain1 domain. Example 2: Using start-instance in remote mode asadmin> start-instance --user admin --password bluestar --host localhost --port 4848 server1 Instance server1 started Where: the server1 instance is started on the remote domain associated with the specified user, password, host, and port number. EXIT STATUS
0 command executed successfully 1 error in executing the command INTERFACE EQUIVALENT
Server Instance page asadmin-delete-instance(1AS), asadmin-create-instance(1AS), asadmin-stop-instance(1AS), asadmin-restart-instance(1AS), asadmin-start- appserv(1AS), asadmin-stop-appserv(1AS), asadmin-start-domain(1AS),.asadmin-stop-domain(1AS) J2EE 1.4 SDK March 2004 asadmin-start-instance(1AS)
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