Installing expect as then you might reasonably think your own script has to call it as smcexpect too. Following up on what tb0ne wrote, youre using sftp so you can and should be using ssh keys for authentication instead of expect. Expect script connects with ssh but does not run commands unix. For example using xterm, you could do it something like. Need to write a script which will accept user input read and then pass the values to another script in which there is an ssh call. They are secure and easier and will eliminate the perceived need for using expect which is difficult, somewhat insecure, and a bit fragile. Hi, sorry about the confusing title but i hope i can describe it better here. Find answers to delete file only if present using expect for sftp connection from the expert community at experts exchange. And more annoying, the configuration is displayed using via the command line interface in a local pager the spacebar must be pressed to display the. Imc 7 config deploy not working hi, i am having a problem with deploying config templates out to my 2920 series switches using imc. You can also execute the expect file and downloading the agent etc. Solved expect steals my loop data im working on a script to automatically backup my switch configurations via scp keys are not an option here so i need to use expect. Hi all, i am trying to ssh to a remote machine and execute certain command to remote machine through script. The target device is only available remotely via ssh its not possible to use the standard backup procedure.
I also have the exact same problem spawn id exp6 not open. Invalid argument after using the git clone command. Need to write a script which will accept user input read. Change passwords with ssh and expect october 14, 2012 updated on june 26, 2018 js morisset a few years ago i was supporting a very diverse environment with solaris, aix, and linux servers. But if i run the command, expect d, and then enter in each line manually, itll give me debug info along the way. The open flag causes the next argument to be interpreted as a tcl file identifier i. The ssh is failing thats where you should be looking at. Spawning another ssh window from command line ssh answers. Expect script to open an ssh connection and execute comand.
To use the key pair for ssh authentication, youll need to copy the public key to a server. Running expect script to send commands in ssh anandtech. How to create an else statement with the expect command. Expect script that utilizes ssh on multiple systems. I suspect the expect is not able to find outmatching the pattern you are sending.
In my work ive not used expect many times, but to do some jobs ive learnt how to use it, and i must say that to complete some tasks this program can help a lot and be a valid alternative to more complex solutions, like a complete program in python, php or your favorite scripting program. The script works except for when it gets to a system that it has the wrong password for. On unix platforms tectia does not provide a terminal window as such, so this would be up to the terminal program that you are using. How to properly copy private keys from remote servers to my localmachine so i can. Exalogic virtual tea break snippets modifying memory. Expect script to change login passwords using ssh, with support for onetime. Trying to ssh to switches and display runningconfig, but receiving an error. You can also specify a username if you dont want to use the current user. From looking in the book again there is a sample script that gets the exit value by spawning a shell and then running the command you need the value from. The cause of the problem actually is because mysql ends quickly without showing a prompt for password due to the extra argument.
Use the package manager to download and install expect along with any. It appears expect is stealing the stdin data from my loop though. I have written an expect script that works perfect for testing passwords on our network until it has looped through my list quite a bit, then the debug output shows that there is nothing to match. Telnet is set as the connection option in imc and i. Download instructions can be found in the expect homepage. The spawn id can then be used as if it were a spawned process. When i put d in the script, it doesnt seem to show the debugger info. With keys you can then also take advantage of the sftp clients batch mode with the b option. The target device is only available remotely via ssh its not possible. How to automate ssh sessions using expect hostadvice. Executed step2a and in less than a second, the telnet process closes by itself in the taskmanager window. Expect script to open an ssh connection and execute comand does not work. I am concerned at the apparent lack of access to ssh although you dont comment, i think this might be an underlying problem. What i want to be able to do is not have to enter the username, but have to enter the password every time.
Except is available as an installable software package for most linux distros. To copy your key to a server, run this command from the client. A common use of expects scripts is to automate ssh sessions between a local computer and a remote server. Before attempting to execute this procedure you will need to download the simpleexacli. How can i tell the script to just interact if that message does not show up. I have an expect script that uses sftp to download files from a remote windows host. The cause of the problem actually is because mysql ends quickly without showing a. And i also have to ask why you are specifically running bourne shell on. Grabbing devices configuration using expect devrandom. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. I currently have a simple script that i use to start an openvpn connection and it uses a credentials file passed via authuserpass. Im trying to use an expect script that logs into numerous systems and checks for the kernel version. Expect script connects with ssh but does not run commands.