How to copy a file to a remote server in Python using SCP or SSH?

How to copy a file to a remote server in Python using SCP or SSH?

You can use the paramiko library in Python to copy a file to a remote server using the Secure Copy Protocol (SCP) or SSH. The paramiko library provides an implementation of SSHv2 in Python.

Here's an example of how to copy a local file to a remote server using SCP:

import paramiko def scp_copy(local_path, remote_path, hostname, port, username, password): # Create an SSH client ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) try: # Connect to the remote server ssh.connect(hostname, port, username, password) # Open an SCP client session with ssh.open_scp() as scp: # Copy the local file to the remote server scp.put(local_path, remote_path) print(f"File copied successfully from {local_path} to {remote_path}") except Exception as e: print(f"Error: {e}") finally: # Close the SSH connection ssh.close() # Example usage local_file_path = '/path/to/local/file.txt' remote_file_path = '/path/to/remote/file.txt' remote_hostname = 'your_remote_hostname' remote_port = 22 # Replace with the actual SSH port remote_username = 'your_username' remote_password = 'your_password' scp_copy(local_file_path, remote_file_path, remote_hostname, remote_port, remote_username, remote_password)

Make sure to replace the placeholder values (your_remote_hostname, your_username, your_password) with the actual values for your remote server. Also, replace the file paths accordingly.

Note: Using passwords directly in code is not recommended for security reasons. It's better to use key-based authentication for SSH. If possible, consider using key-based authentication instead of passwords.

Install paramiko using:

pip install paramiko

Adjust the code based on your specific requirements and security policies.

Examples

  1. "Python copy file to remote server using Paramiko (SSH)"

    • Code:
      import paramiko ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect('remote_server', username='your_username', password='your_password') sftp = ssh.open_sftp() sftp.put('local_file.txt', 'remote_path/remote_file.txt') sftp.close() ssh.close()
    • Description: This Python code uses the Paramiko library to establish an SSH connection and copy a local file to a remote server using the SFTP protocol.

  2. "Python copy file to remote server using Fabric"

    • Code:
      from fabric import Connection c = Connection('your_username@remote_server') c.put('local_file.txt', 'remote_path/remote_file.txt')
    • Description: This Python code uses the Fabric library to simplify SSH interactions and copy a local file to a remote server.

  3. "Python copy file to remote server using SCP module"

    • Code:
      from scp import SCPClient import paramiko ssh = paramiko.SSHClient() ssh.load_system_host_keys() ssh.connect('remote_server', username='your_username', password='your_password') with SCPClient(ssh.get_transport()) as scp: scp.put('local_file.txt', remote_path='remote_path/remote_file.txt')
    • Description: This Python code uses the SCP module along with Paramiko to copy a local file to a remote server securely.

  4. "Python copy file to remote server using SSH key authentication"

    • Code:
      import paramiko private_key_path = '/path/to/private_key.pem' key = paramiko.RSAKey(filename=private_key_path) ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect('remote_server', username='your_username', pkey=key) sftp = ssh.open_sftp() sftp.put('local_file.txt', 'remote_path/remote_file.txt') sftp.close() ssh.close()
    • Description: This Python code uses SSH key authentication to connect to a remote server and copy a local file using Paramiko.

  5. "Python copy file to remote server with progress using Paramiko"

    • Code:
      import paramiko from tqdm import tqdm ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect('remote_server', username='your_username', password='your_password') sftp = ssh.open_sftp() local_path = 'local_file.txt' remote_path = 'remote_path/remote_file.txt' total_size = os.path.getsize(local_path) with tqdm(total=total_size, unit='B', unit_scale=True) as pbar: def callback(sent, total): pbar.update(sent - pbar.n) sftp.put(local_path, remote_path, callback=callback) sftp.close() ssh.close()
    • Description: This Python code uses Paramiko to copy a local file to a remote server with progress tracking using the tqdm library.

  6. "Python copy file to remote server using SCP and key authentication"

    • Code:
      from paramiko import SSHClient, RSAKey from scp import SCPClient private_key_path = '/path/to/private_key.pem' key = RSAKey(filename=private_key_path) ssh = SSHClient() ssh.set_missing_host_key_policy(ssh.AutoAddPolicy()) ssh.connect('remote_server', username='your_username', pkey=key) with SCPClient(ssh.get_transport()) as scp: scp.put('local_file.txt', remote_path='remote_path/remote_file.txt')
    • Description: This Python code combines Paramiko with the SCP module to copy a local file to a remote server using SSH key authentication.

  7. "Python copy file to remote server with compression using Paramiko"

    • Code:
      import paramiko from paramiko import SSHException import gzip from io import BytesIO ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect('remote_server', username='your_username', password='your_password') local_path = 'local_file.txt' remote_path = 'remote_path/remote_file.txt' try: with open(local_path, 'rb') as f: compressed_data = BytesIO() with gzip.GzipFile(fileobj=compressed_data, mode='wb') as gz: gz.write(f.read()) compressed_data.seek(0) ssh.exec_command(f'gzip -d > {remote_path}') stdin, stdout, stderr = ssh.exec_command(f'gzip -c > {remote_path}') stdin.write(compressed_data.read()) stdin.channel.shutdown_write() ssh.close() except SSHException as e: print(f"Error: {e}")
    • Description: This Python code uses Paramiko to copy a local file to a remote server with compression using the gzip utility.

  8. "Python copy file to remote server using SCP and key file"

    • Code:
      from paramiko import SSHClient from scp import SCPClient private_key_path = '/path/to/private_key.pem' ssh = SSHClient() ssh.load_system_host_keys() ssh.connect('remote_server', username='your_username', key_filename=private_key_path) with SCPClient(ssh.get_transport()) as scp: scp.put('local_file.txt', remote_path='remote_path/remote_file.txt')
    • Description: This Python code uses Paramiko and the SCP module to copy a local file to a remote server using an SSH key file.

  9. "Python copy file to remote server with overwrite protection using Paramiko"

    • Code:
      import paramiko from paramiko import SSHException ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect('remote_server', username='your_username', password='your_password') local_path = 'local_file.txt' remote_path = 'remote_path/remote_file.txt' try: sftp = ssh.open_sftp() if remote_path in sftp.listdir(): print(f"File {remote_path} already exists on the remote server. Aborting.") else: sftp.put(local_path, remote_path) sftp.close() ssh.close() except SSHException as e: print(f"Error: {e}")
    • Description: This Python code uses Paramiko to copy a local file to a remote server, checking if the file already exists to prevent overwriting.

  10. "Python copy file to remote server and set permissions using Paramiko"

    • Code:
      import paramiko ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect('remote_server', username='your_username', password='your_password') local_path = 'local_file.txt' remote_path = 'remote_path/remote_file.txt' sftp = ssh.open_sftp() sftp.put(local_path, remote_path) sftp.chmod(remote_path, 0o644) # Set permissions (e.g., read and write for owner, read for group and others) sftp.close() ssh.close()
    • Description: This Python code uses Paramiko to copy a local file to a remote server and sets permissions on the remote file after copying.

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