Learn how to design A and B power feeds inside a data center rack, avoid hidden single points of failure, connect redundant server power supplies, plan rack PDU capacity and verify failover safely.
Choosing the right data center rack requires more than counting rack units. This practical guide compares 42U, 45U and 48U racks, 600mm vs 800mm widths, 1000mm vs 1200mm depths, equipment compatibility, airflow, cabling, power distribution and future expansion.
Learn how to access a physical server without a monitor and keyboard for BIOS, boot menu, OS installation and troubleshooting using HGIT Console Capture Tool.
Learn how to plan data center rack locations, rows, hot and cold aisles, working clearance, power, cooling and cable pathways before installation begins.
Learn how to install Ubuntu Server 24.04 LTS on VMware Workstation with real HG IT Solutions lab screenshots. Follow the installation, LVM storage configuration, SSH setup options, and first-login verification, including practical reboot troubleshooting.
Cat6 vs Cat6A Ethernet cable: understand the differences in speed, bandwidth, 10GbE distance, PoE, outdoor installation, and cable testing. Learn how to choose suitable network cabling for offices, data centers, and future upgrades.
Learn how to create an Ubuntu Server 24.04 virtual machine in VMware Workstation Pro 17 with HG IT Solutions. This hands-on lab guide covers VM hardware configuration, CPU, RAM, 150 GB virtual disk, NAT networking, and Ubuntu ISO setup using 20 real screenshots. Part 1 of the HGIT Lab Series prepares the environment for future Linux administration and NetBox POC projects.
Learn how physical access control systems help secure data centers, offices and other facilities using cards, biometrics, controllers, electronic locks and centralized access management.
Learn practical network device security for SSH, SNMPv3, AAA, access control, logging and secure administrative access to switches, routers and other network infrastructure.
Learn practical data center cable labeling standards for source-to-destination identification, port traceability, troubleshooting, and accurate DCIM connectivity records.
