dockersetup.md

Setting up a Docker environment with PyTorch on your Linux server so that your friends can access it involves several steps, including installing Docker, pulling or building a PyTorch Docker image, and configuring Docker to ensure it is accessible securely from other machines. Here’s a step-by-step guide to get you started:

Step 1: Install Docker

Update your system: Ensure your package lists and installed packages are updated.
```
sudo apt update && sudo apt upgrade -y
```
Install Docker: Install Docker using the convenience script from Docker which works on many Linux distributions.
```
curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh
```
Add your user to the Docker group (to run Docker as a non-root user):
```
sudo usermod -aG docker $USER
newgrp docker
```

Step 2: Get PyTorch Docker Image

You can either pull an official PyTorch image from Docker Hub or build your own.

Pull from Docker Hub:
```
docker pull pytorch/pytorch:latest
```

Build your own Dockerfile: If you have specific dependencies, you might want to build your own image.

Create a Dockerfile:

# Use an official PyTorch runtime as a parent image
FROM pytorch/pytorch:latest

# Optionally install additional dependencies
RUN pip install matplotlib scipy

Build your Docker image:
```
docker build -t my-pytorch-image .
```

Step 3: Run PyTorch Container

Run the container and map the ports if you need any applications to be accessible over the network.

docker run -it -p 8888:8888 --name my-torch-container my-pytorch-image

Here, -p 8888:8888 maps port 8888 on the host to port 8888 on the container, useful if you're running Jupyter notebooks.

Step 4: Configure Security and Access

Configure the firewall: Ensure that only specific ports are exposed to the internet or to specific IP addresses for security.
```
sudo ufw allow from <friend's IP> to any port 8888
sudo ufw enable
```
Set up a VPN or SSH Tunneling: For better security, consider setting up a VPN or using SSH tunneling for your friends to access your server:
- SSH Tunneling:
```
ssh -L 8888:localhost:8888 user@your-server-ip
```
- VPN: Setting up a VPN server on your host allows secure access to your internal network.

Step 5: Maintenance and Updates

Update Docker images regularly to get the latest security updates and patches.
Monitor Docker containers using tools like Portainer or command-line tools to check logs, resource usage, etc.

Step 6: Documentation

Document the setup process, configurations, and usage instructions for your friends, so they can troubleshoot or understand the setup better.

With these steps, you should have a basic PyTorch Docker environment running on your Linux server that your friends can access. Always consider security implications and best practices when exposing your server to external access.

distribution=$(. /etc/os-release;echo $ID$VERSION_ID)
curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | sudo apt-key add -
curl -s -L https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list

sudo apt-get update && sudo apt-get install -y nvidia-docker2
sudo systemctl restart docker