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added executing bash commands remotely tutorial
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‎README.md

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@@ -53,6 +53,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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- [How to Extract PDF Tables in Python](https://www.thepythoncode.com/article/extract-pdf-tables-in-python-camelot). ([code](general/pdf-table-extractor))
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- [How to Use Pickle for Object Serialization in Python](https://www.thepythoncode.com/article/object-serialization-saving-and-loading-objects-using-pickle-python). ([code](general/object-serialization))
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- [How to Automate your VPS or Dedicated Server Management in Python](https://www.thepythoncode.com/article/automate-veesp-server-management-in-python). ([code](general/automating-server-management))
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- [How to Execute BASH Commands in a Remote Machine in Python](https://www.thepythoncode.com/article/executing-bash-commands-remotely-in-python). ([code](general/execute-ssh-commands))
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- ### [Web Scraping](https://www.thepythoncode.com/topic/web-scraping)
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- [How to Access Wikipedia in Python](https://www.thepythoncode.com/article/access-wikipedia-python). ([code](web-scraping/wikipedia-extractor))

‎general/execute-ssh-commands/README.md

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# [How to Execute BASH Commands in a Remote Machine in Python](https://www.thepythoncode.com/article/executing-bash-commands-remotely-in-python)
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To run this:
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- `pip3 install -r requirements.txt`
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- To execute certain commands, edit `execute_commands.py` on your needs and then execute.
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- To execute an entire BASH script (.sh) named `script.sh` for instance on `192.168.1.101` with `test` as username and `abc123` as password:
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```
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python execute_bash.py 192.168.1.101 -u root -p inventedpassword123 -b script.sh
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```

‎general/execute-ssh-commands/execute_bash.py

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import paramiko
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import argparse
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parser = argparse.ArgumentParser(description="Python script to execute BASH scripts on Linux boxes remotely.")
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parser.add_argument("host", help="IP or domain of SSH Server")
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parser.add_argument("-u", "--user", required=True, help="The username you want to access to.")
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parser.add_argument("-p", "--password", required=True, help="The password of that user")
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parser.add_argument("-b", "--bash", required=True, help="The BASH script you wanna execute")
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args = parser.parse_args()
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hostname = args.host
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username = args.user
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password = args.password
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bash_script = args.bash
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# initialize the SSH client
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client = paramiko.SSHClient()
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# add to known hosts
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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try:
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client.connect(hostname=hostname, username=username, password=password)
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except:
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print("[!] Cannot connect to the SSH Server")
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exit()
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# read the BASH script content from the file
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bash_script = open(bash_script).read()
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# execute the BASH script
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stdin, stdout, stderr = client.exec_command(bash_script)
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# read the standard output and print it
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print(stdout.read().decode())
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# print errors if there are any
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err = stderr.read().decode()
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if err:
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print(err)
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# close the connection
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client.close()

‎general/execute-ssh-commands/execute_commands.py

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import paramiko
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hostname = "192.168.1.101"
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username = "test"
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password = "abc123"
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commands = [
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"pwd",
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"id",
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"uname -a",
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"df -h"
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]
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# initialize the SSH client
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client = paramiko.SSHClient()
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# add to known hosts
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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try:
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client.connect(hostname=hostname, username=username, password=password)
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except:
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print("[!] Cannot connect to the SSH Server")
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exit()
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# execute the commands
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for command in commands:
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print("="*50, command, "="*50)
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stdin, stdout, stderr = client.exec_command(command)
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print(stdout.read().decode())
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err = stderr.read().decode()
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if err:
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print(err)
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client.close()

‎general/execute-ssh-commands/requirements.txt

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paramiko

‎general/execute-ssh-commands/script.sh

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cd Desktop
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mkdir test_folder
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cd test_folder
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echo "$PATH" > path.txt

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