How to enter docker in linux
Apr 18, 2023 am 09:47 AMWith the popularity of container technology, Docker has become a very important container platform. The Linux system is one of the main supported platforms for Docker, so it is very important to learn how to enter Docker on the Linux platform. In this article, we will explain how to enter a Docker container on the Linux platform.
- Installing Docker
First, you need to install Docker on your Linux system. Docker provides detailed documentation, and you can install Docker according to the official documentation. Basically, you need to download and run the installation script, then start Docker.
- Running Docker Container
Once you have Docker installed on your Linux system, you can run the Docker container through the following command:
sudo docker run -it <image name>
This command will Start the Docker container in interactive mode. Where, <image name>
is the name of the Docker image you want to run. For example, if you want to run the Ubuntu operating system in a container, you can run the following command:
sudo docker run -it ubuntu
This will start a new Docker container and give you a terminal to interact with within the container.
- View Docker Containers
You can use the following command to view running Docker containers:
sudo docker ps
This command will display all running Docker containers List of containers. You can see the container's ID, name, status and which image it was created on.
- Enter Docker container
To enter an already running Docker container, use the following command:
sudo docker exec -it <container name> /bin/bash
Where, <container name&gt ;
is the name or ID of the container. This command will open a new terminal and run a Bash shell inside the container.
- Run Commands
Once you are inside the container, you can execute any command just like in a normal Linux terminal. You can use the ls
command to view files in a directory, the cd
command to change the working directory, and other commands for other tasks.
When you finish working inside the container, you can press Ctrl D to exit the container and return to the Linux host terminal.
Summary
With the above steps, you can easily enter the Docker container on Linux. Within the container, you can execute any commands and tasks, and the isolation of the container ensures the security of your host system. Docker is a very important container platform, and learning how to use it on a Linux system is well worth your time.
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