Python pxssh 04 ssh opts interactive mode

**tutorial on using python `pxssh` for ssh with interactive mode**

`pxssh` is a python module that provides a simple and efficient way to establish ssh connections and execute commands on remote servers. it is built on top of the `pexpect` module, which is a pure python module for controlling interactive programs in a pseudo-terminal.

in this tutorial, we will focus on using `pxssh` in interactive mode with ssh options.

**step 1: install pxssh**
before using `pxssh`, you need to install the `pexpect` module. you can install it using `pip`:

**step 2: import pxssh**
to use `pxssh`, you need to import it in your python script:

**step 3: establish an ssh connection**
to establish an ssh connection using `pxssh`, you can create an instance of the `pxssh` class and then use the `login()` method:

in the above code snippet:
- replace `'hostname'` with the ip address or hostname of the remote server.
- replace `'username'` with your ssh username.
- replace `'password'` with your ssh password.
- `ssh_options` is an optional parameter that allows you to pass additional ssh options.

**step 4: execute commands in interactive mode**
once the ssh connection is established, you can execute commands on the remote server in interactive mode using the `sendline()` method:

in the above code snippet:
- `sendline()` sends a command to the remote server.
- `prompt()` waits for the server prompt to appear before proceeding.
- `before` attribute contains the output of the command executed on the remote server.

**step 5: close the ssh connection**
after executing all the commands, make sure to close the ssh connection to release resources:

**complete code example:**

this tutorial covers the basics of using `pxssh` for ssh with interactive mode and ssh options. feel free to explore more features and functionalities provided by the `pexpect` module for controlling remote servers programmatically.

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