CODEWITHSUNDEEP
pythonparamiko
user2190483
user2190483

Reputation: 267

Execution python-paramiko

I am trying to execute some command to remote machine through python 

    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    ssh.connect(SERVER_IP, username='root', password='xxxxx')
    stdin, stdout, stderr = ssh.exec_command(
        "tar -C /home -xzf /home/Tests.tar.gz;dos2unix /home/Tests/run.py;chmod +x /home/Tests/run.py;/home/Tests/run.py>/home/Tests/log.txt"
    )

it seems the last command /home/Tests/run.py>/home/Tests/log.txt is not working the log.txt is not having the values, the same works well if I do /home/Tests/run.py>/home/Tests/log.txt on remote machine terminal.

How to resolve it ?

Thanks in advance

Upvotes: 0

Views: 462

Answers (2)

user3520669
user3520669

Reputation:

You are not transporting the client to session like so : 

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(SERVER_IP, username='root', password='xxxxx')
#note the next line you are missing
ssh_session = ssh.get_transport().open_session()

Then (after the declaration of ssh_session) you may use ssh_session.exec_command(. . .).

Try that see if it works.

Upvotes: 1

danodonovan
danodonovan

Reputation: 20373

To make sure your paramiko code is working and the connection is being made, try something simple like

stdin, stdout, stderr = ssh.exec_command("hostname")

and make sure that stdin contains what you expect. Then have a go at debugging the command you're executing remotely:

$ tar -C /home -xzf /home/Tests.tar.gz
$ dos2unix /home/Tests/run.py
$ chmod +x /home/Tests/run.py
$ /home/Tests/run.py > /home/Tests/log.txt

If you run code on the remove machine through a regular ssh connection it must perform as you expect it to if you want it to also work over paramiko.

Upvotes: 0

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