Create create-container.md

Author: Prajwal Koirala

Docker/create-container.md

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+To create a Docker container using the latest Ubuntu image and SSH into it, follow these steps:
+
+### 1. Install Docker
+
+If you haven't already installed Docker, you can follow the [official installation guide](https://docs.docker.com/get-docker/) for your operating system.
+
+### 2. Pull the Latest Ubuntu Image
+
+Open your terminal and pull the latest Ubuntu image:
+
+```bash
+docker pull ubuntu:latest
+```
+
+### 3. Run a Container
+
+Run a container in interactive mode with a terminal:
+
+```bash
+docker run -it --name my_ubuntu_container ubuntu:latest
+```
+
+This command starts a new container named `my_ubuntu_container` and opens an interactive terminal session inside the container.
+
+### 4. Install SSH Server in the Container
+
+Once inside the container, you need to install the SSH server. Run the following commands:
+
+```bash
+apt update
+apt install -y openssh-server
+```
+
+### 5. Configure the SSH Server
+
+You need to configure the SSH server. Start the SSH service:
+
+```bash
+service ssh start
+```
+
+You might also want to set a root password or create a user if needed:
+
+```bash
+passwd
+```
+
+### 6. Find the Container's IP Address
+
+Open a new terminal window (or tab) and find the IP address of the running container:
+
+```bash
+docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' my_ubuntu_container
+```
+
+This will return the container's IP address.
+
+### 7. SSH into the Container
+
+In the new terminal, use `ssh` to connect to the container. Replace `container_ip` with the IP address you retrieved in the previous step:
+
+```bash
+ssh root@container_ip
+```
+
+If you have set a different user or password, adjust the `ssh` command accordingly.
+
+### Notes
+
+1. **Security**: Running an SSH server inside a Docker container is generally not recommended for production use due to security and complexity concerns. Docker containers are often accessed using Docker’s built-in commands rather than SSH.
+   
+2. **Container Cleanup**: When you're done, you can stop and remove the container:
+
+   ```bash
+   docker stop my_ubuntu_container
+   docker rm my_ubuntu_container
+   ```
+
+By following these steps, you should be able to create a Docker container with the latest Ubuntu image and SSH into it for further interaction.