Wandering Thoughts archives

2020-09-30:	People still use `newgrp` (to my surprise) Using DMARC information is complicated in practice in the real world How the Unix `newgrp` command behaved back in V7 Unix
2020-09-29:	Implementing 'and' conditions in Exim SMTP ACLs the easy way (and in Exim routers too) Why the Unix `newgrp` command exists (sort of) Where (and how) you limit your concurrency in Go can matter
2020-09-28:	My likely path away from spinning hard drives on my home desktop Making product names of what you use visible to people is generally a mistake Looking at DKIM information for our 'good' email (September 2020 edition)
2020-09-27:	Remote power control for your machines comes in two flavours
2020-09-26:	We rebooted all of our servers remotely (more or less) and it all worked Using SPF on HELO/EHLO hostnames is repurposing SPF to validate a different thing
2020-09-19:	Python virtual environments transparently add themselves to `sys.path`
2020-09-17:	Python 3 venvs don't normally really embed their own copy of Python (on Unix)
2020-09-16:	How I think I want to drop modern Python packages into a single program Why I write recursive descent parsers (despite their issues)
2020-09-15:	When the Go garbage collector will panic over bad pointer values
2020-09-13:	I'm now a user of Vim, not classical Vi (partly because of windows) Rolling distribution releases versus periodic releases are a tradeoff
2020-09-12:	Some notes on what Fedora's DNF logs and where
2020-09-10:	My take on permanent versus temporary HTTP redirects in general Permanent versus temporary redirects when handling extra query parameters on your URLs
2020-09-08:	What you should do about extra query parameters on your URLs
2020-09-07:	Why Fedora version upgrades are complicated and painful for me URL query parameters and how laxness creates de facto requirements on the web
2020-09-06:	Daniel J. Bernstein's IM2000 email proposal is not a good idea
2020-09-05:	Some notes on what the CyberPower UPS 'Powerpanel' software reports to you
2020-09-04:	In practice, cool URLs change (eventually)
2020-09-02:	Why I want something like Procmail with a dedicated mail filtering language
2020-09-01:	Even in Go, concurrency is still not easy (with an example)

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By day for September 2020: 1 2 4 5 6 7 8 10 12 13 15 16 17 19 26 27 28 29 30; before September; after September.