How docker enters the container

To enter the Docker container, you need to perform the following steps: Open a terminal window. Use the docker ps command to view running containers. Use the docker exec -it /bin/bash command to enter the container. Execute commands within the container. Exit the container using the exit command.

How to enter the Docker container

The steps to enter the Docker container are very simple and can be completed with just one command:

<code>docker exec -it <容器名称> /bin/bash</code>

Detailed steps:

1. Open a terminal window: On a Mac or Linux system, open a terminal window. On a Windows system, open Windows PowerShell or Command Prompt.

2. Identify the container name: Use the following command to view the list of running containers:

   <code>docker ps</code>

   This will output the container name, image name, startup time and other information.

3. Execute the exec command: Use the docker exec command to enter the container. For example, to enter a container named "my-container", you can use the following command:

   <code>docker exec -it my-container /bin/bash</code>

   • -i option means to open an interactive session in the container. The
   • -t option indicates assigning a pseudo-tty to the session.
4. /bin/bash command: The /bin/bash command starts a bash session in the container.
5. Prompt: After successfully entering the container, you will see root@<Container Name> in the command prompt. This means you are now logged into the container as the root user.
6. Execute commands: You can now execute commands inside the container just like in a normal Linux system.
7. Exit the container: To exit the container, just type the exit command.

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