Wandering Thoughts archives

2018-10-31:	Do I feel uncertain about CentOS's future now? Yes, a bit OpenSSH has broader key revocation than I thought
2018-10-29:	Shooting myself in the foot by cargo-culting Apache configuration bits
2018-10-28:	How I'm visualizing health check history in Grafana Link: HiDPI on dual 4K monitors with Linux The obviousness of inheritance blinded me to the right solution
2018-10-26:	What 'dependency' means in Unix init systems is underspecified
2018-10-25:	I should always give my Python classes a `__str__` method
2018-10-24:	You can sort of use `zdb` as a substitute for a proper ZFS `fsck`
2018-10-23:	ZFS scrubs check (much) less than you probably think they do
2018-10-22:	Some DKIM usage statistics from our recent inbound email (October 2018 edition) Using group_* vector matching in Prometheus for database lookups
2018-10-21:	Some tradeoffs of having a Certificate Authority in your model
2018-10-20:	The original Unix `ed(1)` didn't load files being edited into memory
2018-10-18:	Some things on delays and timings for Prometheus alerts Link: Vectorized Emulation [of CPUs and virtual machines] Why you should be willing to believe that `ed(1)` is a good editor
2018-10-17:	When metrics disappear on updates with Prometheus Pushgateway
2018-10-16:	Quickly bashing together little utilities with Python is nice
2018-10-15:	The external delivery delays we see on our central mail machine Garbage collection and the underappreciated power of good enough
2018-10-13:	Getting a CPU utilization breakdown in Prometheus's query language, PromQL How Prometheus's query steps (aka query resolution) work
2018-10-12:	My unusual use for Firefox's Private Browsing mode
2018-10-11:	Some notes on Prometheus's Blackbox exporter
2018-10-10:	Even systemd services and dependencies are not self-documenting
2018-10-09:	Something systemd is missing for diagnosing oddly slow boots
2018-10-07:	It's good to check systemd for new boot-time things every so often
2018-10-06:	A deep dive into the OS memory use of a simple Go program Go basically never frees heap memory back to the operating system
2018-10-05:	My non-approach to password management tools
2018-10-03:	Thinking about what we want to be alerted about
2018-10-02:	Thinking about what we probably want for monitoring, metrics, etc An irritating limitation or two of addons in Firefox Quantum

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By day for October 2018: 2 3 5 6 7 9 10 11 12 13 15 16 17 18 20 21 22 23 24 25 26 28 29 31; before October; after October.