Server Tools

Decode an ESXi PSOD: read the exception type and backtrace, identify driver vs hardware vs heap causes, capture the coredump, recover the host and prevent recurrence. With an annotated purple-screen...

Generate VMware PowerCLI scripts to create and manage vSphere VMs, take snapshots, configure ESXi virtual switches and VMkernel adapters, and run esxcli. Every cmdlet explained, copy-paste ready. Runs in your...

Free dd command generator. Build commands to write an ISO to USB, image a disk, wipe a drive or create a test file, with block size, count, conv flags and...

Resolve the VMware Device/Credential Guard not compatible error two ways: keep Hyper-V and upgrade to VMware Workstation 16+ on the Windows Hypervisor Platform, or disable Hyper-V and VBS for legacy...

Searchable reference of 70 common VMware vSphere and ESXi errors with the cause and step-by-step resolution for each: PSOD, APD and PDL storage, vMotion, HA and DRS, snapshots, datastore locks,...

Free systemd service file generator. Fill in ExecStart, Type, User, Restart and Environment to get a complete .service unit plus install commands, and enable the optional .timer to schedule it...

Fix the virtual machine could not be started because the hypervisor is not running in five ordered gates: BIOS virtualization, Hyper-V feature, hypervisorlaunchtype, VMware/VBS conflicts and services, with exact commands...

Generate PowerShell to create Hyper-V VMs, build External/Internal/Private virtual switches and manage checkpoints. New-VM, Set-VM, Set-VMFirmware, nested virtualization and ISO boot, with every cmdlet explained. Runs entirely in your browser.

Searchable reference of 77 common and lesser-documented Hyper-V errors with the cause and step-by-step resolution for each: hypervisor not running, 0x80070569, VMQ and SR-IOV networking, insufficient resources, vTPM and shielded...

Step-by-step Vaultwarden quickstart for sysadmins: docker compose + Caddy with automatic TLS, first admin signup, disable open signups, point Bitwarden clients at your server, then day-2 hardening with fail2ban, restic...