https://steve.mt/tags/til/ Recent content in TIL on Steve Xuereb Hugo -- gohugo.io en-us Tue, 20 Feb 2024 00:00:00 +0000 https://steve.mt/blog/2024-02-20-til-resourcefieldref/ Tue, 20 Feb 2024 00:00:00 +0000 https://steve.mt/blog/2024-02-20-til-resourcefieldref/ Demonstrates using the Kubernetes Downward API to inject resource-derived env vars like GOMAXPROCS without hitting the API server. 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/2021-09-13-til-mtu/ Mon, 13 Sep 2021 00:00:00 +0000 https://steve.mt/blog/2021-09-13-til-mtu/ Defines MTU fundamentals, fragmentation rules for IPv4/IPv6, and how Path MTU Discovery finds the safe packet size. https://steve.mt/blog/2021-07-03-go-tool-dist-list/ Sat, 03 Jul 2021 00:00:00 +0000 https://steve.mt/blog/2021-07-03-go-tool-dist-list/ Shows how go tool dist list reveals every GOOS/GOARCH combo so you can cross-compile with confidence. https://steve.mt/blog/2020-08-16-k8s-deploy-long-running-tasks/ Sun, 16 Aug 2020 00:00:00 +0000 https://steve.mt/blog/2020-08-16-k8s-deploy-long-running-tasks/ Recommends rainbow deployments so long-running pods (like GitLab Runner) stay observable while new versions roll out. https://steve.mt/blog/2020-08-01-docker-export-vs-save/ Sat, 01 Aug 2020 00:00:00 +0000 https://steve.mt/blog/2020-08-01-docker-export-vs-save/ Compares docker export’s flattened container snapshots to docker save image archives and clarifies when to choose each command. https://steve.mt/blog/2020-07-21-go-trace-shortcut/ Tue, 21 Jul 2020 00:00:00 +0000 https://steve.mt/blog/2020-07-21-go-trace-shortcut/ Captures a Go execution trace and shows that pressing ? in the web UI reveals every navigation shortcut. 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.