如何在Linux服务器上运行Google Cloud Shell中的Python hello_world脚本？

Hey there! Since you’ve already set up the Google Cloud SDK with gcloud init and configured your project, getting that hello_world script running on your Linux server is super straightforward. Here’s how to do it step by step:

1. Verify Your Python Installation #

First, make sure Python is installed on your Linux server. Open a terminal and run:

python3 --version

If you don’t see a version number (like Python 3.8+), install it using your distro’s package manager:

• For Debian/Ubuntu-based systems:

  sudo apt update && sudo apt install python3 -y
  

• For RHEL/CentOS/Fedora:

  sudo dnf install python3 -y
  

2. Get Your hello_world.py Script onto the Server #

You’ve got a few simple options here:

• Copy from your local machine: Use scp to transfer the file. Replace the placeholders with your server details:

  scp /path/to/your/local/hello_world.py your_server_username@your_server_ip:/home/your_server_username/
  

• Create it directly on the server: Use a text editor like nano to write the script right on the server:

  nano hello_world.py
  

  Paste your hello_world code (e.g., print("Hello World!")), then save and exit with Ctrl+O followed by Ctrl+X.

3. Run the Script #

Once the script is on the server, navigate to the directory where it’s stored (e.g., cd /home/your_server_username/) and run it with Python:

python3 hello_world.py

You should see the familiar Hello World! output pop up in your terminal.

Optional: If Your Script Uses Google Cloud Services #

If your hello_world script interacts with Google Cloud tools (like Cloud Storage or BigQuery), double-check your server has valid credentials. Since you ran gcloud init, your user account is already authenticated, but for service-level access, you can set up application default credentials:

gcloud auth application-default login

Follow the prompts to log in via your browser and grant access—this lets your script access Google Cloud resources without hardcoding keys.

Quick Troubleshooting Tips #

• If you get a "permission denied" error, you don’t need to make the script executable (though you can with chmod +x hello_world.py if you want)—just running it via Python works perfectly.
• If you’re using a Python virtual environment, activate it first (e.g., source venv/bin/activate) before running the script.

内容的提问来源于stack exchange，提问作者tnet