テーマ： console

• Serial and out-of-band consoles for servers that keep access when the network is down

  A serial console (console=ttyS0,115200 plus a getty on the line), a cloud provider's serial console feature, or IPMI/BMC Serial-over-LAN each give an administrator a way into a server that has no working network stack — the situation a purely SSH-based access plan cannot survive.

  methodology · en · reviewed · 知識の基準日 2026-09-24

• z/OS system operations basics: console commands, SYSLOG/OPERLOG, and what an IPL is

  Console commands like D A,L (list active jobs) and D IPLINFO (display IPL information) are the read-only starting point for understanding what a z/OS system is doing; SYSLOG and OPERLOG are where system messages accumulate, and an IPL (Initial Program Load) is the mainframe's equivalent of a full system boot, not something to trigger outside a planned change window.

  article · en · reviewed · 知識の基準日 2026-09-24

機械可読： JSON