If you don’t need a Docker image anymore and you want to remove it from the host issue the following command: # docker rmi ubuntu To list all the available Docker images on your host issue the following command: # docker imagesġ1. After you decided on what image you want to run based on your needs, download it locally by running the below command (in this case an Ubuntu image is downloaded and used): # docker pull ubuntuġ0.
To search for a Docker image, Ubuntu, for instance, issue the following command: # docker search ubuntuĩ. Docker Hub offers a lot of free images from its repositories. In order to start and run a Docker container, first, an image must be downloaded from Docker Hub on your host. List Docker Commands Step 2: Download a Docker ImageĨ. To get a list of all available Docker commands type docker on your console. Now, you can run a few basic Docker commands to get some info about Docker: For system-wide information on Docker # docker infoĬheck Docker Info For Docker version # docker versionħ. Share images, automate workflows, and more with a free Docker ID:Ħ. To try something more ambitious, you can run an Ubuntu container with: The Docker daemon streamed that output to the Docker client, which sent it The Docker daemon created a new container from that image which runs theĮxecutable that produces the output you are currently reading.Ĥ. The Docker daemon pulled the "hello-world" image from the Docker Hub.ģ. The Docker client contacted the Docker daemon.Ģ. To generate this message, Docker took the following steps:ġ.
This message shows that your installation appears to be working correctly. I've already tried to force docker to recreate the interface as suggested somewhere, and still no luck solving this issue.Verify Docker Installation Hello from Docker! Search hostgator_br.com nameserver 8.8.8.8 nameserver 8.8.4.4Īfter trying to narrow down the issue, i've verified that if i run containers using -network host, the dns works fine, so the problem is probably on the docker0 bridge created by docker during the installation.
The containers can ping to ips, but not domains, giving me a "bad address".Īfter a whole day researching and trying stuff like forcing a dns on the daemon.json file, looking for a firewall to disable (i don't have firewall-cmd installed, only iptables, and even with it stopped, the problem continues), and nothing resulted in the dns working. I'm migrating to a new VPS on hostgator, and it comes with CentOS and WHM+CPanel preinstalled.Īfter installing docker, and trying to run a few containers, i'm having a weird issue, and i really don't know the cause.
0 kommentar(er)
