Wandering Thoughts archives

2017-11-30:	We're broadly switching to synchronizing time with systemd's timesyncd The cost of memory access across a NUMA machine can (probably) matter
2017-11-29:	Sometimes the right thing to do about a spate of spam is nothing (probably)
2017-11-27:	Code stability in my one Django web application The `dig` program now needs some additional options for useful DNS server testing
2017-11-26:	One way of capturing debugging state information in a systemd-based system
2017-11-25:	Sequential scrubs and resilvers are coming for (open-source) ZFS
2017-11-24:	Shooting myself in the foot by using `exec` in a shell script
2017-11-23:	Understanding a tricky case of Bourne shell redirection and command parsing
2017-11-22:	Delays on SMTP replies discourage apparently SMTP AUTH scanners
2017-11-20:	Major version changes are often partly a signal about support
2017-11-19:	StartCom gives up on its Certificate Authority business Getting some information about the NUMA memory hierarchy of your server
2017-11-18:	AMD Ryzens, their memory speed peculiarities, and ECC
2017-11-17:	When you should run an NTP daemon on your servers
2017-11-16:	I think you should mostly not run NTP daemons on your machines
2017-11-15:	I've switched from ntpd to chrony as my NTP daemon
2017-11-14:	We may have reached a point where (new) ARM servers will just work for Linux
2017-11-13:	X11 PseudoColor displays could have multiple hardware colormaps
2017-11-12:	The fun of X11 PseudoColor displays and window managers
2017-11-11:	What X11's TrueColor means (with some history)
2017-11-10:	A systemd mistake with a script-based service unit I recently made
2017-11-09:	Why I'm not enthused about live patching kernels and systems
2017-11-08:	What it means to support ECC RAM (especially for AMD Ryzen)
2017-11-07:	Link: Citation Needed [on array indexing in programming languages] My new Linux machine for fall 2017 (planned)
2017-11-05:	How `collections.defaultdict` is good for your memory usage Some early notes on WireGuard
2017-11-04:	Why I've switched from GRE-over-IPSec to using WireGuard
2017-11-03:	Illumos `mountd` caches netgroup lookups (relatively briefly)
2017-11-02:	I think Certificate Transparency is better for the web than HTTP Key Pinning

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By day for November 2017: 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 27 29 30; before November; after November.