Wandering Thoughts archives

2023-07-31:	Systemd auto-restarts of units can hide problems from you
2023-07-30:	Our alerts and monitoring can never be comprehensive
2023-07-29:	Prometheus Blackbox probes and DNS lookups
2023-07-28:	The issue with control flow in interpreters using the 'eval' pattern
2023-07-27:	On the future of free long term support for Linux distributions
2023-07-26:	There's more than one reason that people used (or use) CentOS
2023-07-25:	Where the speed limits on our Amanda backups appear to be in 2023
2023-07-24:	The 'eval' pattern for interpreting simple languages
2023-07-23:	Some cheap things are only cheap if they have enough volume
2023-07-22:	I'm not going to accurately remember our past views and thoughts
2023-07-21:	When we take things out of service, I should write up how they worked
2023-07-20:	Command hashing in Unix shells is probably no longer worth it
2023-07-19:	HTTP has become the default, universal communication protocol
2023-07-18:	Non-uniform CPU hyperthreading is here and can cause fun issues
2023-07-17:	A bit of Unix history on 'su -'
2023-07-16:	Social media posts aren't as small and simple as you might think
2023-07-15:	Static websites have a low barrier to entry
2023-07-14:	The theory versus the practice of "static websites"
2023-07-13:	Some notes on errno when tracing Linux kernel system call results
2023-07-12:	Two views of security and vulnerability scanners
2023-07-11:	How I move URLs between browsers in my Unix desktop environment
2023-07-10:	Notes on Linux's `/proc/locks` and NFS v4 locks as of Ubuntu 22.04
2023-07-09:	Polymorphism and other important aspects of inheritance
2023-07-08:	The HTTP status code for a web server's default "hello" front page
2023-07-07:	Our experience with nftables and 'iptables' on Ubuntu 22.04
2023-07-06:	Basic NFS v4 seems to just work (so far) on Ubuntu 22.04
2023-07-05:	The mere 'presence' of an URL on a web server is not a good signal
2023-07-04:	Web servers should refuse requests for random, unnecessary URLs
2023-07-03:	Our Python fileserver management code has been quite durable over the years
2023-07-02:	The evolving Unix attitudes on handling signals in your code
2023-07-01:	Cool URLs keep their contents (an obvious point that still matters)

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By day for July 2023: 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 July; after July.