System Management

Tools to manage Linux.

smartctl

SMART is a tool to check the health of disk. “SMART” means Self-Monitoring, Analysis and Report Technology. The command is “smartctl”. To run it, type the command with sudo privilege.

sudo smartctl -H /dev/nvme0n1 # Show device SMART health status

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@itemize @bullet @item us uniced user process @item sy system process @item ni niced user process @item id kernel idle handler @item wa waiting for I/O completion @item hi hardware interrupt @item si software interrupt @item st stolen by hypervisor @item PID process ID @item USER user name @item PR priority @item NI nice value @item VIRT virtual memory size (KiB) @item RES resident memory size (KiB) @item SHR shared memory size (KiB) @end itemize