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We have following Network Adaptor Mode in Virtual Box Not Attached NAT NAT Network Bridged Adapter Internal Network Host-Only Adapter Generic Driver Not attached. In this mode, VirtualBox reports to the guest that a network card is present, but that there is no connection. This is as if no Ethernet cable was plugged into the card. Using this mode, it is possible to pull the virtual Ethernet cable and disrupt the connection, which can be useful to inform a guest

Hypervisor Cloud Hypervisor is a technology which used for create virtualization Cloud is a methodology which ussed to access resources over internet Create multiple simulated environments from 1 physical hardware system Pool and automate virtual resources for on-demand use Deliver packaged resources to specific users for a specific purpose Deliver variable resources to groups of users for a variety of purposes It is based on Image based It is on Template Based It is low scalable and support scale up

EPEL  is a special interest group (SIG) from the Fedora Project that provides a set of additional packages for RHEL (and CentOS, and others)  from the Fedora sources. It creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS, Scientific Linux (SL), Oracle Linux (OL), AlmaLinux (AL) and Rocky Linux (RL). For access EPEL user should install EPEL repository, to enable EPEL repository Open a

DevOps is a union of development and operations whereas DevSecOps is integration of security in DevOps framework. It ensures the secure workflow of DevOps by selecting the right security tools and parameters. DevSecOps and DevOps, both play a significant role in an environment where software upgrades are usually executed several times daily and obsolete security models can’t sustain it. Where DevOps focuses only on effective deployment of upgrades, DevSecOps address the security concerns along with deployment. The Devops process: Continuous integration (CI) – merges code changes to ensure the most recent version is available to developers