There are actually multiple different container runtimes and technologies. Container is not a specific tool or technology. A container runtime is simply a piece of software that actually allows you to implement and run containers. I am just going to answer the simple question: What is Docker? So primarily Docker is a container runtime. In this tutorial, I am going to begin by focusing on Docker. Please Like and follow us at, LinkedIn, Facebook, Twitter, and GitHubĪlso, Please comment on the post with your views and let us know if any changes need to be done.How to Install Docker CE on CentOS How to Install Docker CE on CentOS If you Like Our Content here at Devopsage, then please support us by sharing this post.
OR, a Simple but not recommended method of solving this issue is to simply give full permission to docker.sock :~# chmod 777 /var/run/docker.sock :~$ sudo usermod testuser -aG docker // Logout and login to that user and check To avoid this issue, you can either give full permission to docker.sock or put this user to the docker group. Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get dial unix /var/run/docker.sock: connect: permission denied Note: You may not be able to run the docker command as a normal user by default, you can run only by root user or using sudo privileges. └─1944 docker-containerd -config /var/run/docker/containerd/containerd.tomlĪlso, check by executing docker command ~]# docker images Loaded: loaded (/usr/lib/systemd/system/rvice enabled vendor preset: disabled)Īctive: active (running) since Fri 17:30:58 UTC 19s ago rvice - Docker Application Container Engine.Start the docker daemon ~]# systemctl start rviceĮnable to run docker daemon to start on boot ~]# systemctl enable rviceĬheck whether the docker daemon is running or not ~]# systemctl status rvice Now, Install dokcer-ce using below command, ~]# yum install docker-ce -y ~]# cat /etc//docker-ce.repoĪlso, Verify with, ~]# yum repolist You can verify the repo file in /etc// directory.
To install the latest version of a docker, set up the official docker repository. Docker package is by default available in the redhat/centos repository also like in Ubuntu, but it may not be the latest version available.
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