Servers, operating systems, storage, virtualization, infrastructure maintenance and recovery.
119 published articles in this category.
Nutanix Cloud Infrastructure combines compute, distributed storage, virtualization, management, networking, and resilience around a scale-out cluster model. AHV is the…
VMware Cloud Foundation 9 brings compute, storage, networking, identity, automation, operations, logging, and lifecycle management into an integrated private-cloud platform.…
Veeam Backup & Replication protects workloads by coordinating source access, data processing, transport, storage, restore, and copy operations across a…
Recovery design begins by translating business tolerance into technical targets. Within RTO, RPO, and Recovery Strategy Decisions, the current CompTIA…
The current CompTIA A+ Core 2 220-1202 objectives explicitly include troubleshooting Windows blue screens, degraded performance, boot failures, shutdowns, services,…
Linux access control begins with a simple owner-group-other permission model, but real administration quickly adds default masks, special mode bits,…
Modern Linux troubleshooting often begins with a deceptively simple question: did the system fail to boot, or did it boot…
Laptops combine the same basic computing functions as desktops with tighter power, thermal, display, wireless, and mechanical constraints. That integration…
Printers and peripherals create support incidents that cross hardware, drivers, operating systems, networks, consumables, and user workflow. A printer can…
Modern PC storage is no longer a simple choice between a small fast drive and a large slow one. Technicians…
Command-line tools are valuable because they expose system state quickly, produce repeatable output, and often work when a graphical tool…
Malware cleanup is not a single antivirus button. The current CompTIA A+ Core 2 220-1202 objectives expect technicians to recognize…
Enterprise routing problems are not always caused by routing protocols. A router can have correct OSPF, EIGRP, or BGP reachability…
Virtual Port Channel (vPC) lets a downstream device form one logical port channel to two separate Cisco Nexus switches. The…
Connectivity troubleshooting becomes much faster when the engineer stops treating “the network is down” as one problem. A user flow…