Wandering Thoughts archives

2020-05-31: Mail forwarding is slowly dying (probably)
2020-05-30: How we're likely to DKIM sign some of our email messages
2020-05-29: What sort of SSH keys our users use or have listed in their authorized keys files
2020-05-28: The surprising persistence of RSA keys in SSH
2020-05-27: What I think OpenSSH 8.2+'s work toward deprecating 'ssh-rsa' means
My various settings in X to get programs working on my HiDPI display
2020-05-25: My failure with Xpra (probably because what I want is almost impossible)
2020-05-24: A cheatsheet for Python's pip for how I use it
Security questions and warnings are effectively confirmation requests
2020-05-22: Mixed feelings about Firefox Addons' new non-Recommended extensions warning
Working out how frequently your ICMP pings fail in Prometheus
2020-05-20: How I work on Python 2 and Python 3 with the Python Language Server (in GNU Emacs)
Switching to the new in-kernel WireGuard module was easy (on Fedora 31)
2020-05-18: Reading the POSIX standard for Unix functions is not straightforward
2020-05-17: Syndication feeds (RSS) and social media can be complementary
Some views on having your system timezone set to UTC
2020-05-15: Why we use city names when configuring system timezones
2020-05-14: Exploring munmap() on page zero and on unmapped address space
2020-05-13: Getting my head around what things aren't comparable in Go
The modern HTTPS world has no place for old web servers
2020-05-11: Why we have several hundred NFS filesystems in our environment
2020-05-10: How we guarantee there's always some free space in our ZFS pools
2020-05-09: How big our fileserver environment is (as of May 2020)
2020-05-08: Revisiting what the ZFS recordsize is and what it does
Linux software RAID resync speed limits are too low for SSDs
2020-05-06: Modern versions of systemd can cause an unmount storm during shutdowns
How to set up an Ubuntu 20.04 ISO image to auto-install a server
2020-05-04: Notes on the autoinstall configuration file format for Ubuntu 20.04
The Go compiler has real improvements in new versions (and why)
2020-05-03: What OSes we use here (as of May 2020)
2020-05-01: What problems Snaps and Flatpaks are solving

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