Wandering Thoughts archives

2024-03-02: Something I don't know: How server core count interacts with RAM latency
2024-03-01: Options for your Grafana panels when your metrics change names
2024-02-29: The speed of improvement in servers may have slowed down
2024-02-28: Detecting absent Prometheus metrics without knowing their labels
2024-02-27: Our probably-typical (lack of) machine inventory situation
2024-02-26: How to make your GNU Emacs commands 'relevant' for M-X
2024-02-25: Open source culture and the valorization of public work
2024-02-24: The Go 'range over functions' proposal and user-written container types
2024-02-23: Fixing my problem of a stuck 'dnf updateinfo info' on Fedora Linux
2024-02-22: A recent abrupt change in Internet SSH brute force attacks against us
2024-02-21: What ZIL metrics are exposed by (Open)ZFS on Linux
2024-02-20: NetworkManager won't share network interfaces, which is a problem
2024-02-19: The flow of activity in the ZFS Intent Log (as I understand it)
2024-02-18: Even big websites may still be manually managing TLS certificates (or close)
2024-02-17: We outsource our public web presence and that's fine
2024-02-16: Options for genuine ECC RAM on the desktop in (early) 2024
2024-02-15: (Some) X window managers deliberately use off-screen windows
2024-02-14: Understanding a recent optimization to Go's reflect.TypeFor
2024-02-13: What is in (Open)ZFS's per-pool "txgs" /proc file on Linux
2024-02-12: Linux kernel boot messages and seeing if your AMD system has ECC
2024-02-11: Go 1.22's go/types Alias type shows the challenge of API compatibility
2024-02-10: My plan for backups of my home machine (as of early 2024)
2024-02-09: Compatibility lingers long after it's needed (until it gets noticed)
2024-02-08: Accidentally making windows vanish in my old-fashioned Unix X environment
2024-02-07: What I'd like in a hypothetical new desktop machine in 2024
2024-02-06: What the max_connect Linux NFS v4 mount parameter seems to do
2024-02-05: We might want to regularly keep track of how important each server is
2024-02-04: I switched to explicit imports of things in our Django application
2024-02-03: Solving one of our Django problems in a sideways, brute force way
2024-02-02: One of my MH-E customizations: 'narrow-to-pending' (refiles and deletes)
2024-02-01: Our Django application is now using Python 3 and a modern Django
2024-01-31: Using IPv6 has quietly become reliable (for me)
2024-01-30: Putting a Python executable in venvs is probably a necessary thing
2024-01-29: What I think goes wrong periodically with our Grafana Loki on restarts
Servers are (probably) starting to drop serial ports
2024-01-27: Getting the Python LSP server working with venvs the brute force way
2024-01-26: Histogram data is most useful when they also provide true totals
2024-01-25: In Go, I'm going to avoid using 'any' as an actual type
2024-01-24: The cooling advantage that CPU integrated graphics has
2024-01-23: CGI programs have an attractive one step deployment model
2024-01-22: Desktop PC motherboards and the costs of extra features
2024-01-21: The expected size of a gap in a Prometheus range vector (sometimes)
2024-01-20: An example of how Prometheus's delta() function will extrapolate time ranges
2024-01-19: A Django gotcha with Python 3 and the encoding of CharFields
2024-01-18: Notes on the Linux kernel's 'irq' pressure stall information and meaning
2024-01-17: Some interesting metrics you can get from cgroup V2 systems
2024-01-16: What Prometheus exporters we use (as of the end of 2023)
2024-01-15: How we monitor that our wireless network is still there in places
2024-01-14: Git branches as a social construct
2024-01-13: Indexed archive formats and selective restores
2024-01-12: What we use ZFS on Linux's ZED 'zedlets' for
2024-01-11: An old Unix mistake you could make when signaling init (PID 1)
2024-01-10: MFA today is both 'simple' and non-trivial work
2024-01-09: How far back we want our metrics to go depends on what they're for
2024-01-08: One of the things limiting the evolution of WebPKI is web servers
2024-01-07: TLS certificate expiry times are fundamentally a hack
2024-01-06: Some ballpark numbers for fun on filling filesystem cache with NFS traffic
2024-01-05: Having a virtual machine host server has been quite useful
2024-01-04: 'Unmaintained' (open source) code represents a huge amount of value
2024-01-03: Ten years isn't long enough for maximum age settings
2024-01-02: Why Unix's lseek() has that name instead of 'seek()'
2024-01-01: Alerting on our NTP servers having a high NTP stratum hasn't been useful
By month for 2024: Jan Feb Mar; before 2024.

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