通过Docker命令,用户可以轻松地创建和管理Docker容器和镜像,并快速地将应用程序部署到不同的环境中。(Docker commands can only be run with thesudoprefix on Ubuntu.) 在Docker 中,Image、Container 和 Volume 是三个重要的概念。 Docker Image:Docker 镜像是一个只读的模板,用于创建 Docker 容器。可以将镜像看作...
验证Docker安装: 安装完成后,你可以通过运行以下命令来验证Docker是否成功安装: bash sudo docker run hello-world 如果此命令运行成功,你将会看到一条消息,表明Docker已经安装并可以运行。 以上步骤涵盖了在Ubuntu上安装Docker的基本流程。如果在安装过程中遇到任何问题,请检查网络连接,确保所有命令都正确无误地执行。
Step 2: Download a Docker Container Let’s begin using Docker! Download the fedora Docker image: docker pull ubuntu Step 3: Run a Docker Container Now, to setup a basicubuntucontainer with a bash shell, we just run one command.docker runwill run a command in a new container,-iattaches ...
Step 3: Install Docker on Ubuntu 22.04 With the requirements installed, the next step is to install Docker. We will install the Docker Community Edition ( Docker CE ) which is opensource and free to download and use. To do so, we will add the GPGK key $ curl -fsSL https://download....
Step 1: Install docker To get started with the installation of Docker, log in to your Ubuntu 20.04 LTS and first update the package lists as shown: $ sudo apt update Next, install the dependencies that are required by Docker to function as expected: ...
Screenshot displaying the “Docker Hello World” test on Ubuntu It’s important to note that the docker command requires root privileges to run. However, you can configure Docker to run as a non-root user, which provides a more secure way to manage containers and images. ...
docker version 1. 2. Than,test that your installation works by running the simple Docker image,hello-world: root@ubuntu:~# docker run hello-world Hello from Docker! This message shows that your installation appears to be working correctly. ...
Notice thatdocker-ceis not installed, but the candidate for installation is from the Docker repository for Ubuntu 20.04 (focal). Finally, install Docker: sudoaptinstalldocker-ce Copy Docker should now be installed, the daemon started, and the process enabled to start on boot. Check that it’s...
Docker is now ready to use on your Ubuntu machine. Testing the installation Once Docker is installed, you can verify the installation by issuing the command: docker version In the output, you should see something like this: Server: Docker Engine - Community ...
Install Docker on Ubuntu Using Default Repositories Step 1: Update Software Repositories As usual, it’s a good idea to update the local database of software to make sure you’ve got access to the latest revisions. Therefore, open a terminal window and type: ...