Tag: #명령어
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 4 posts
Processes and Signals, the Complete Guide: Tracing Why a Process Will Not Exit
Signal numbers and default actions, the difference between SIGTERM and SIGKILL, zombies and orphans, process groups and sessions, nohup and setsid, and how to design a graceful shutdown. Traces the cause of a process tha
2026-08-15 · 18 min read #리눅스#프로세스#시그널#운영#커널A Complete Guide to Linux Performance Tools: How to Read the Numbers in the Output
Interprets the numbers printed by top, vmstat, iostat, pidstat, sar and perf one column at a time. Covers which tool answers which question, which values create optical illusions, and the order in which to choose a tool
2026-08-15 · 18 min read #리눅스#성능#모니터링#운영#sysstatThe complete Linux troubleshooting command guide: from the first 60 seconds to root cause ♪ Listenable
The diagnostic commands to run, in order, from the moment someone tells you a server is misbehaving. uptime, top, free, df, iostat, ss, journalctl — which number in each output to read, and what that number rules out ver
2026-08-15 · 19 min read #리눅스#트러블슈팅#운영#장애대응#명령어Undoing Things in Git, the Complete Guide: What Comes Back and What Is Gone Forever
Maps the boundary between reset, revert, restore, reflog, and fsck by what can actually be recovered. Covers reflog expiry policy, when gc really deletes objects, force-push accidents, and worktree and submodule situatio
2026-08-15 · 17 min read #git#버전관리#복구#운영#협업