In this course you learnt about oc commands you would use for setting up a temporary connection between your local machine and a service running inside of OpenShift.

You can find a summary of the key commands covered below. To see more information on each oc command, run it with the --help option.

oc rsh <pod-name>: Start an interactive shell in the specified pod.

oc port-forward <pod-name> <local-port>:<remote-port>: Forward connections between your local machine and an application running in OpenShift. The remote port is the port the application running in OpenShift accepts connections. The local port is the port on your local machine you wish to make it available as, and to which any client application running on your local machine would connect to.

oc port-forward <pod-name> :<remote-port>: Forward connections between your local machine and an application running in OpenShift. The remote port is the port the application running in OpenShift accepts connections. As a local port to use is not specified, a random local port is used, with the port number being displayed. Any client application running on your local machine would connect to the randomly assigned port.

Connecting to a Database Using Port Forwarding

Step 1 of 4

Topic 1 - Creating an Initial Project

Before we get started, you need to login and create a project in OpenShift to work in.

To login to the OpenShift cluster used for this course from the Terminal, run:

oc login -u developer -p developer

This will log you in using the credentials:

  • Username: developer
  • Password: developer

You should see the output:

Login successful.

You don't have any projects. You can try to create a new project, by running

    oc new-project <projectname>

To create a new project called myproject run the command:

oc new-project myproject

You should see output similar to:

Now using project "myproject" on server "https://172.17.0.41:8443".

You can add applications to this project with the 'new-app' command. For example, try:

    oc new-app centos/ruby-22-centos7~https://github.com/openshift/ruby-ex.git

to build a new example application in Ruby.

We are not going to use the web console for this course, but if you want to check anything from the web console, switch to the Dashboard and use the same credentials to login as you used above to login from the command line.