technology

Learn power quality engineering: harmonics, THD, voltage sags and swells, transients, power-quality analyzers, harmonic spectra, and a practical troubleshooting workflow.

Learn the Windows sc start command for starting services through the Service Control Manager, verifying state, troubleshooting failures, and comparing sc start with net start.

Learn the Linux gpasswd command for adding and removing group members, assigning group administrators, managing /etc/gshadow, and verifying local group access.

Learn the Linux chpasswd command for secure batch password updates, PAM integration, /etc/shadow, verification, and safe automation.

American Bitcoin energized about 11,298 additional ASIC miners at its Drumheller, Alberta site, adding roughly 3.05 EH/s at about 13.5 J/TH.

Scientists sequenced genetic material from Jonathan, the 194-year-old giant tortoise, uncovering 287 unique gene variants and unusually youthful gene regulation linked to extreme longevity.

PowerCompute increased its Mississippi Bitcoin mining site to 11 MW of contracted power as TVA’s new large-data rate reshapes data-center electricity.

Learn a repeatable fiber-optic loss testing workflow: inspect and clean connectors, establish a reference, test with a light source and power meter, record results, and troubleshoot failed links.

Learn data-center monitoring and controls: BMS, EPMS, DCIM, SNMP, Modbus, alarm engineering, trending, failure-domain context, and incident response.

Learn practical server hardware troubleshooting: POST and BMC evidence, DIMM faults, RAID drives, power supplies, NICs, one-change fault isolation, and verification.