Wandering Thoughts archives

2021-02-28:	Dot-separated DNS name components aren't even necessarily subdomains, illustrated
2021-02-27:	My Firefox addons as of Firefox 86 (and the current development version) My pragmatic sysadmin view on subdomains and DNS zones
2021-02-25:	The HTTP Referer header is fading away (at least as a useful thing)
2021-02-24:	How convenience in Prometheus labels for alerts led me into a quiet mistake How (and where) Prometheus alerts get their labels
2021-02-22:	The `mhbuild` directives I want for sending MIME attachments with MH How I set up testing alerts in our Prometheus environment
2021-02-20:	Modern software controls dependencies because it helps software authors
2021-02-19:	ZFS pool partial (selective) feature upgrades are coming in OpenZFS
2021-02-18:	Understanding what '`systemctl restart`' means and when I want to use it
2021-02-17:	TLS certificates specifying hosts via their CommonName field is more or less gone When browsers (or at least Firefox) send HTTP Basic Authentication headers
2021-02-15:	How ZFS on Linux brings up pools and filesystems at boot under systemd
2021-02-14:	Some observed read latencies for SSDs and NVMe drives under Fedora 32 Link: What was the original reason for the design of AT&T assembly syntax?
2021-02-13:	Where the default values for Python function arguments are stored
2021-02-12:	An interesting issue around using `is` with a literal in Python
2021-02-11:	Getting high IOPS requires concurrency on modern SSDs and NVMe drives
2021-02-10:	Let's Encrypt is preparing for an emergency and that's good for TLS in general The issue of IOPS versus latency on SSDs and NVMe drives
2021-02-09:	Normal situations should not be warnings (especially not repeated ones)
2021-02-07:	Strict SameSite web cookie policies probably don't do much for us
2021-02-06:	Talkd and 'mesg n': a story from the old Unix days
2021-02-05:	Limiting what branches I track from an upstream Git repository
2021-02-04:	There are limitations to what expendable addresses can help with
2021-02-03:	Junk email as a cover for more nefarious things
2021-02-02:	The small oddity in the Unix `exec*()` family
2021-02-01:	Go 1.16 will make system calls through libc on OpenBSD

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By day for February 2021: 1 2 3 4 5 6 7 9 10 11 12 13 14 15 17 18 19 20 22 24 25 27 28; before February; after February.