docker pull


How to download docker images and access the images In this case, I am pulling Centos6 Image from Docker and accessing it using docker run -it centos:6 /bin/bash and updating my image [cloud_user@aryan1c ~]$ docker pull centos:6 Trying to pull repository docker.io/library/centos … 6: Pulling from docker.io/library/centos ff50d722b382: Pull complete Digest: sha256:dec8f471302de43f4cfcf82f56d99a5227b5ea1aa6d02fa56344986e1f4610e7 Status: Downloaded newerContinue reading “docker pull”

Cannot connect to the Docker daemon at unix:/var/run/docker.sock. Is the docker daemon running?


Try: [cloud_user@aryan1c ~]$ sudo systemctl start docker [cloud_user@aryan1c ~]$ sudo systemctl enable docker [cloud_user@aryan1c ~]$ sudo systemctl start docker [cloud_user@aryan1c ~]$ sudo systemctl enable docker [cloud_user@aryan1c ~]$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES [cloud_user@aryan1c ~]$

Install Docker from the Default CentOS 7 Repository


After logging into the server, install the latest version of Docker using yum. $ sudo yum -y install docker Once installation completes, enable & start the service using systemd. Create a new group named docker, then add the cloud_user user to the group.   # groupadd docker # usermod -aG docker cloud_user # systemctl enable –now docker Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service toContinue reading “Install Docker from the Default CentOS 7 Repository”

provider.docker: Error pinging Docker server: Got permission denied while trying to connect to the Docker daemon socket


provider.docker: Error pinging Docker server: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/_ping: dial unix /var/run/docker.sock: connect: permission denied   aryan@aryan-VirtualBox:~/docker$ terraform plan Refreshing Terraform state in-memory prior to plan… The refreshed state will be used to calculate this plan, but will not be persisted to localContinue reading “provider.docker: Error pinging Docker server: Got permission denied while trying to connect to the Docker daemon socket”

To install Docker CE


sudo apt-get update sudo apt-get install \ apt-transport-https \ ca-certificates \ curl \ software-properties-common curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add – sudo add-apt-repository \ “deb [arch=amd64] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) \ stable” sudo apt-get update sudo apt-get install docker-ce aryan@aryan-VirtualBox:~$ sudo apt-get install [sudo] password for aryan: Reading package lists… Done Building dependency treeContinue reading “To install Docker CE”