Installing Docker

Table: Installing Docker

Platform	Description
Docker on Ubuntu	Supported version: Docker 18.03 and later Refer to the following documentation for instructions on installing Docker on Ubuntu: https://docs.docker.com/install/linux/docker-ce/ubuntu/#set-up-the-repository
Docker on RHEL	Supported version: Docker 1.13.x and later Use the following process to install Docker on RHEL. Steps may vary depending on whether CloudPoint is being deployed on-premise or in the cloud. (If CloudPoint is being deployed in AWS cloud) Ensure that you enable the extra repos: # sudo yum-config-manager --enable rhui-REGION-rhel-server-extras (If CloudPoint is being deployed on-premise) Enable your subscriptions: # sudo subscription-manager register --auto-attach --username=<username> --password=<password> # subscription-manager repos --enable=rhel-7-server-extras-rpms # subscription-manager repos --enable=rhel-7-server-optional-rpms Install Docker using the following command: # sudo yum -y install docker (If CloudPoint is being deployed in Azure cloud) Enable shared mounts. Edit the `docker.service` system unit file and modify the parameter `MountFlags=slave` to `MountFlags=shared`. Save and close the unit file and then verify the change using the following command: # cat /usr/lib/systemd/system/docker.service \| grep MountFlags The output should appear as `MountFlags=shared`. Reload the system manager configuration using the following command: # sudo systemctl daemon-reload Enable and then restart the docker service using the following commands: # sudo systemctl enable docker # sudo systemctl restart docker If SELinux is enabled, change the mode to permissive mode. Edit the `/etc/selinux/config` configuration file and modify the `SELINUX` parameter value to `SELINUX=permissive`. Reboot the system for the changes to take effect. Verify that the SELinux mode change is in effect using the following command: # sudo sestatus The `Current Mode` parameter value in the command output should appear as `permissive`. Refer to the following for detailed instructions on installing Docker on RHEL: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_atomic_host/7/html-single/getting_started_with_containers/index#getting_docker_in_rhel_7

Platform

Description

Docker on Ubuntu

Supported version: Docker 18.03 and later

Refer to the following documentation for instructions on installing Docker on Ubuntu:

https://docs.docker.com/install/linux/docker-ce/ubuntu/#set-up-the-repository

Docker on RHEL

Supported version: Docker 1.13.x and later

Use the following process to install Docker on RHEL. Steps may vary depending on whether CloudPoint is being deployed on-premise or in the cloud.

(If CloudPoint is being deployed in AWS cloud) Ensure that you enable the extra repos:
# sudo yum-config-manager --enable rhui-REGION-rhel-server-extras
(If CloudPoint is being deployed on-premise) Enable your subscriptions:
# sudo subscription-manager register --auto-attach --username=<username> --password=<password>
# subscription-manager repos --enable=rhel-7-server-extras-rpms
# subscription-manager repos --enable=rhel-7-server-optional-rpms
Install Docker using the following command:
# sudo yum -y install docker
(If CloudPoint is being deployed in Azure cloud) Enable shared mounts.
- Edit the docker.service system unit file and modify the parameter MountFlags=slave to MountFlags=shared.
- Save and close the unit file and then verify the change using the following command:
  # cat /usr/lib/systemd/system/docker.service | grep MountFlags
  The output should appear as MountFlags=shared.
Reload the system manager configuration using the following command:
# sudo systemctl daemon-reload
Enable and then restart the docker service using the following commands:
# sudo systemctl enable docker
# sudo systemctl restart docker
If SELinux is enabled, change the mode to permissive mode.
Edit the /etc/selinux/config configuration file and modify the SELINUX parameter value to SELINUX=permissive.
Reboot the system for the changes to take effect.
Verify that the SELinux mode change is in effect using the following command:
# sudo sestatus
The Current Mode parameter value in the command output should appear as permissive.

Refer to the following for detailed instructions on installing Docker on RHEL:

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_atomic_host/7/html-single/getting_started_with_containers/index#getting_docker_in_rhel_7

Installing Docker

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