Pre-Work 1) Find out the none disk on the server for the mirroring. (In this case it’s going to be hdisk1) # lspv 2) Check the size of the disk. (It should be equal or bigger than hdisk0) # bootinfo -s hdisk1 Mirror the rootvg 1) Extend hdisk1 into the rootvg. (force to extend if

How to enable REST API for Docker in RHEL/CentOS 7.

A RESTful API is an application program interface (API) that uses HTTP requests to GET, PUT, POST and DELETE data. Also referred to as a RESTful web service — is based on representational state transfer (REST) technology, an architectural style and approach to communications often used in web services development. Docker provides an API for interacting with the Docker