4 guides
Back up ESXi VMs the right way: why free ESXi blocks most backup tools, how snapshot-based backups work, ghettoVCB and OVF export, and why snapshots aren't backups.
Back up and restore Proxmox VMs with vzdump: snapshot vs suspend vs stop modes, scheduled jobs, storage targets, restoring to a new VMID, and retention rules.
Protect your domain with a proper Active Directory system state backup. Learn wbadmin backups, DSRM, authoritative vs non-authoritative restore, and why snapshots aren't enough.
Pillar Guide
Learn the 5 FSMO roles, when to transfer them gracefully vs seize them after a DC failure, and how to do both with ntdsutil and PowerShell — safely.