https://steve.mt/tags/linux/ Recent content in Linux on Steve Xuereb Hugo -- gohugo.io en-us Mon, 22 Jan 2024 00:00:00 +0000 https://steve.mt/blog/2024-01-22-til-journald-ratelimit/ Mon, 22 Jan 2024 00:00:00 +0000 https://steve.mt/blog/2024-01-22-til-journald-ratelimit/ Introduces journald RateLimitBurst/Interval, why throttling noisy logs matters, and how to scope limits per unit. https://steve.mt/blog/2021-10-20-system-performance-chapter-4/ Wed, 20 Oct 2021 00:00:00 +0000 https://steve.mt/blog/2021-10-20-system-performance-chapter-4/ Covers chapter 4 topics: static vs dynamic instrumentation, profiling vs tracing, and expected sampling overheads. https://steve.mt/blog/2021-10-13-system-performance-chapter-3/ Wed, 13 Oct 2021 00:00:00 +0000 https://steve.mt/blog/2021-10-13-system-performance-chapter-3/ Summarizes chapter 3 Q&A on OS terminology, process/thread differences, memory management, and kernel duties. https://steve.mt/blog/2021-10-04-system-performance-chapter-2/ Mon, 04 Oct 2021 00:00:00 +0000 https://steve.mt/blog/2021-10-04-system-performance-chapter-2/ Answers Systems Performance chapter 2 exercises, clarifying metrics like IOPS, utilization, and troubleshooting methodologies. https://steve.mt/blog/2020-07-14-systemd-drop-in/ Tue, 14 Jul 2020 00:00:00 +0000 https://steve.mt/blog/2020-07-14-systemd-drop-in/ Explains how systemd drop-in units override service sections (GitLab Runner example) and how to inspect active overrides with systemctl.