Power-cycle a server and see its console without walking to the rack. Setting up Supermicro IPMI (BMC): IP address, default password, web console, ipmitool commands and security.
The settings worth doing right after installing DSM: storage pool layout, account security, snapshots, backups and disk health checks, as a step-by-step checklist.
New 10 Gb NIC and switch, but copies stall at about 110 MB/s? Find the bottleneck by checking link speed, cabling, PCIe lanes, disk throughput and SMB settings in that order.
Why your Windows clock jumps by your UTC offset after booting Linux, and how to fix it with one registry value in Windows or one timedatectl command in Linux.
Endless restarts or ‘We couldn’t complete the updates, undoing changes’ after Windows Update? Work through these fixes from least to most invasive without losing data.
No Windows install USB? A Windows PE stick and BOOTICE are enough to rewrite the MBR, the partition boot record and the BCD store. Step-by-step for legacy BIOS and UEFI.
Deleted or resized your Linux partition and now only see grub rescue>? Here is how to either bring GRUB back or remove it and boot straight into Windows, for both UEFI and legacy BIOS.