Friday, October 1, 2021
The beauty of Docker is that you can run a very lightweight image of another Linux distro on your host system. In this post we will be pulling the latest image of CentOS into our docker container on our Ubuntu server.
Step-by-Step:
1. Open the terminal in Ubuntu, then make sure docker is running by typing service docker status, you should see something a message like the image below
2. Type in the following command docker run --name test -it centos /bin/bash . The command tells Ubuntu to run docker with the name dev in interactive mode with an emulated terminal using the CentOS image with the bash shell. If there's no local image docker will pull the latest image from CentOS
3. After the command is completed you will running inside the CentOS container, you can tell by the changes in the prompt
4. The weird number is in the prompt is the image ID of the CentOS image that we pulled. If you type service docker status you will get an error message saying it does not recognize the command because docker is installed in the host machine not the CentOS image
5. To get out of the CentOS container just type exit and you will get back to the host system
Step-by-Step:
1. Open the terminal in Ubuntu, then make sure docker is running by typing service docker status, you should see something a message like the image below
2. Type in the following command docker run --name test -it centos /bin/bash . The command tells Ubuntu to run docker with the name dev in interactive mode with an emulated terminal using the CentOS image with the bash shell. If there's no local image docker will pull the latest image from CentOS
5. To get out of the CentOS container just type exit and you will get back to the host system
Posts On Dockers
- Installing Docker On Ubuntu Server
- Installing Docker On CentOS
- Adding Docker Repository Key and Updating Docker To Get The Latest Version
- Docker : Pull The Latest Fedora Image Into A Ubuntu Server
- Docker : Pull The Latest CentOS Image Into A Ubuntu Server
- Docker : Adding Non Root Users To The Docker Group In Ubuntu
- Docker : Adding Non Root Users To The Docker Group In CentOS
- Docker : Command to See What Containers Are Running
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