RedHat OpenStack - RHCE
What is RHCE Openstack?
The RedHat Certified Engineer (RHCE) in RedHat OpenStack exam tests your ability to configure advanced networking. After becoming a RedHat Certified Specialist, you will also count toward becoming a RedHat Certified Architect (RHCA). Experienced OpenStack system administrators responsible for the planning of RedHat OpenStack who want to demonstrate their capability in network functions virtualization.
RedHat OpenStack Platform provides access to open source projects or tools to enable core computing services in clouds. OpenStack uses a consistent set of application programming interfaces (APIs) to manage virtualized resources.
What is OpenStack?
Open stack is an open-source and free software platform for cloud computing, whereby customers have the availability of virtual servers. The software platform includes interrelated components that control various, denoting and relating hardware processing, storage, and networking resources.
What are the OpenStack components?
Having the attribute of open-source, OpenStack enables everyone to add additional components to help meet their needs. But the OpenStack community has collaboratively identified nine key components that are a part of the "core" of OpenStack.
- Nova is the primary computing engine behind OpenStack. It is used for managing an extensive amount of virtual machines and other instances to handle computing tasks.
- Swift is used as a storage system for objects and files.
- Cinder is a block storage component. The way of accessing files might be important in scenarios in which data access speed is the most important consideration.
- Neutron provides the networking ability for OpenStack. It ensures that each component of an OpenStack deployment can interface with one another efficiently.
- Horizon is the dashboard behind OpenStack, which is the only graphical interface to OpenStack.
- Keystone provides identity services for OpenStack. It is the important central list of all of the users of the OpenStack cloud.
- Ceilometer provides recording services, which enables the cloud to provide billing services to individual users. Moreover, it also keeps a verifiable count of each user’s system.
- Heat is the automated arrangement component of OpenStack, which allows developers to store the requirements of a cloud application in a file that defines what resources are necessary for that application.
Why learn OpenStack?
- OpenStack is easy as it is well documented and has a large community behind it.
- 78% of businesses are using open-source software such as OpenStack to support their operations. The evolution of OpenStack has been outstanding, and the adoption of the technology by companies is ramping up.
- Just do it for the money. OpenStack engineers make more than other cloud engineers.
Uses of OpenStack in cloud
The cloud is completely about serving to compute for end-users, where the actual software runs as a service on reliable and scalable servers. Cloud computing can refer to plenty of different things. OpenStack is considered as Infrastructure-as-a-Service (IaaS). OpenStack makes it easy for users to quickly add new instance, upon which other cloud components can run by providing infrastructure. Usually, infrastructure runs a "platform" upon which a developer can create software applications.
RHCE in Openstack exam
The RHCE in Openstack exam is a performance-based evaluation of Red Hat Enterprise Linux system engineering on OpenStack skills and knowledge. Candidates perform a number of system engineering tasks and are evaluated on whether they have met specific objective criteria.
By completing RedHat track, candidate will secure following certificates: RedHat Certified Engineer in OpenStack
RHCE in OpenStack Contents
- Perform common administrative tasks on an existing Red Hat Enterprise Linux OpenStack Platform installation
- Install and configure Red Hat Ceph Storage in a multi-node environment:
- Configure object storage devices
- Configure monitor nodes
- Configure Ceph block devices
- Create snapshots of Ceph block devices
- Integrate Ceph block devices with OpenStack services such as Glance, Cinder, and Nova
- Create and work with virtual network devices
- Provision tenant networks with DHCP agents
- Manage network ports and VLANs
- Create instances and attach them to specific VLANs
- Create and manage floating IP addresses
- Configure Load Balancing-as-a-Service (LBaaS)
- Troubleshoot virtual network devices
- The real-time examples will be given throughout the lectures.