Wandering Thoughts archives

2022-05-31:	The basics of Linux fair share CPU scheduling in cgroup v2 ('unified cgroups')
2022-05-30:	Systemd memory limits and strict memory overcommit
2022-05-29:	My wish for per-port IP access controls in systemd .service units
2022-05-28:	It's a bit risky to give people access to your Prometheus Blackbox exporter
2022-05-27:	Modal dialogs and other things that steal keyboard focus are dangerous
2022-05-26:	Stopping an Ubuntu 22.04 desktop from suspending at the login screen
2022-05-25:	Shell scripts should be written to be clear first
2022-05-24:	Some notes on providing Python code as a command line argument
2022-05-23:	Systems should expose a (simple) overall health metric as well as specifics
2022-05-22:	Modern (public) TLS has only a limited number of intermediate certificates
2022-05-21:	Some things that make languages easy (or not) to embed in Unix shell scripts
2022-05-20:	Getting a Bourne shell "here document" into a shell variable
2022-05-19:	Moving a libvirt-based virtualization setup from one machine to another
2022-05-18:	Missing TLS intermediate certificates can create mysterious browser problems
2022-05-17:	Why I'm not all that positive on working through serial consoles
2022-05-16:	Python programs as wrappers versus filters of other Unix programs
2022-05-15:	The idea of hierarchical filesystems doesn't feel like an API to me
2022-05-14:	The web is, in a sense, designed for serving static files
2022-05-13:	The cause of an odd DNF/RPM error about conflicting files
2022-05-12:	Why I'm considering some use of NetworkManager (and I probably have to)
2022-05-11:	Traditionally there are fewer steps in setting up a static website
2022-05-10:	Seeing the speed of your USB devices under Linux the easy way
2022-05-09:	Snaps don't seem compatible with NFS home directories in Ubuntu 22.04
2022-05-08:	Checking if a machine is 'up' for scripts, well, for rsync
2022-05-07:	Solving a problem I had with the Unix date command in the right way
2022-05-06:	Filtering Prometheus metrics with deliberately repeated labels
2022-05-05:	When you install systems semi-manually, when updates get done matters
2022-05-04:	The temptation of smartctl's JSON output format given NVMe SSDs
2022-05-03:	NVMe disk drives and SMART attributes (and data)
2022-05-02:	Monitoring is too hard, as illustrated by TLS certificates expiring Link: An opinionated list of best practices for textual websites
2022-05-01:	Using Linux's libvirt for my virtualization needs has been okay

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By day for May 2022: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31; before May; after May.