July 2018
Intermediate to advanced
504 pages
11h 34m
English
Content preview from Learn OpenShift
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CentOS 7
This method can also be used on Fedora or RHEL based hosts.
The deployment process involves several steps:
- Install Docker
- Configure an insecure registry
- Allow ports on the firewall
- Download the OpenShift client utility
- Start a cluster
Let's study these steps in detail:
- Docker installation: This doesn't involve anything special, and was described in previous chapters. The following commands must be run under the root account:
$ sudo -i# sudo yum -y install docker# systemctl enable docker
- Configuring an insecure registry: This is required to be able to use an internal Docker registry, which comes with OpenShift installation. If this is not configured, oc cluster up will fail.
To allow for an insecure OpenShift registry, run the ...