Wandering Thoughts archives

2022-06-28: What symmetric and asymmetric IP routing are
2022-06-27: Wishing for a simple way to set up multi-interface symmetric routing on Linux
2022-06-26: Modern disk sizes and powers of two
2022-06-25: A limitation on what 'go install' can install (as of Go 1.18)
2022-06-24: Even for us, SSD write volume limits can matter
2022-06-23: A mystery with Fedora 36, fontconfig, and xterm (and urxvt)
2022-06-22: Signing email with DKIM is becoming increasing mandatory in practice
2022-06-21: Some network speeds and network related speeds we see in mid 2022
2022-06-20: Modern HDDs have gotten somewhat better than they used to be
2022-06-19: What fast SSH bulk transfer speed (probably) looks like in mid-2022
2022-06-18: Humanizing numbers in Python through a regexp substitution function
2022-06-17: What is our Python 2 endgame going to be?
2022-06-16: I wish Grafana dashboards and panels could have easy, natural comments
2022-06-15: Understanding some peculiarities of per-cgroup memory usage accounting
2022-06-14: Go programs and Linux glibc versioning
2022-06-13: In general Unix system calls are not cancellable, just abortable
2022-06-12: Framebuffer consoles have been around before on Unix workstations
2022-06-11: Linux kernel mode setting on servers (and Ubuntu 22.04)
2022-06-10: Text consoles and framebuffer consoles in Linux
2022-06-09: How we wound up with Linux's kernel mode setting ('KMS')
2022-06-08: The information theory reason for assuming non-secret cryptography algorithms
2022-06-07: TLS Certificate Transparency logs don't always talk to you
2022-06-06: Doing a selective alert about a host's additional exporters in Prometheus
2022-06-05: Checking a few metrics (time series) at once in Prometheus's query language
2022-06-04: Web URL paths don't quite map cleanly onto the abstract 'filesystem API'
2022-06-03: Regular expressions are effectively a (hard) programming language
2022-06-02: Serving static files versus dynamic web server APIs
2022-06-01: Setting up Linux fair share CPU scheduling with systemd and cgroup v2
By day for June 2022: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28; before June.

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