VMware 2V0-17.25: VCF Operations and Incident Recovery
A business unit reports that one application is slow after a platform maintenance window. Virtual machines appear powered on, yet some API…
Read articlePLATFORMS & AUTOMATION
DevOps & Infrastructure
Understand Terraform, Kubernetes, Linux, automation, deployment systems and reliable infrastructure.
Reliable infrastructure depends on predictable changes, accurate system state and effective feedback. Configuration, deployment and monitoring each address a different failure mode. A team can automate a rollout yet remain fragile if it cannot explain what changed, detect drift or recover from an unsuccessful release.
HashiCorp Terraform Associate 004 connects infrastructure-as-code concepts to practical workflows and state management. CompTIA Linux+ (XK0-006) emphasizes the operating-system knowledge that supports many infrastructure roles. These pathways are related, but they test distinct skills: platform administration and repeatable provisioning.
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Carefully selected articles on the technologies, roles and concepts that shape this subject.
CompTIA A+ 220-1202: Supporting Linux and macOS Users
A small company uses Windows in finance, macOS in design and Linux for a few development workstations. When an employee reports that…
Read articleVMware 2V0-17.25: Understanding VCF Architecture
An organization that once managed vSphere hosts, storage arrays and network security separately may adopt VMware Cloud Foundation (VCF) to standardize its…
Read articleAWS DevOps and Operations Certifications: Choosing the Right Path
Cloud engineering roles often share the same tools but demand very different decisions. One engineer troubleshoots failed deployments at 2 a.m.; another…
Read articleCompTIA A+ 220-1201: Virtualization and Cloud in Everyday IT Support
An employee complains that a business application is slow on a virtual desktop, while the same application runs normally on a physical…
Read articleCompTIA Core & Infrastructure Certifications: A+, Network+ and Linux+
CompTIA’s core and infrastructure certifications cover practical systems knowledge beneath support, networking, cloud and security roles. Among CompTIA certifications, the infrastructure progression…
Read articleServiceNow CIS-DF: Lifecycle and Compliance
A CMDB is only accurate for a moment unless its records change as the real environment changes. Systems are requested, built, placed…
Read articleServiceNow CIS-DF: Multisource CMDB
A modern CMDB rarely receives data from one discovery tool or one administrative team. Cloud platforms, endpoint tools, network systems, asset systems,…
Read articleServiceNow CIS-DF: CI Classes and Relationships
A ServiceNow CMDB is useful because it represents different kinds of configuration items in the correct classes and connects them with meaningful…
Read articleServiceNow CIS-DF: Data Manager Policies
CMDB Data Manager is ServiceNow’s policy-driven framework for managing CI lifecycle at scale. Instead of relying on ad hoc scripts or manual…
Read articleServiceNow CIS-DF: Duplicate CI Remediation
Duplicate CIs are two or more CMDB records that represent the same real-world configuration item. They damage trust because incidents, changes, security…
Read articleServiceNow CIS-DF: Identification and Reconciliation
The Identification and Reconciliation Engine, or IRE, is central to keeping a ServiceNow CMDB consistent when data arrives from discovery, integrations, imports,…
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