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Website title: Jeff Geerling - Author and Software Developer in St. Louis, MO
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I'm back from VCF Midwest 21, arguably the largest vintage computer festival on the planet.
After being blown away last year, I decided to get a table of m...
UPSes are typically the most boring part of your homelab, but they're important. One of their main jobs is to give servers time to shut down safely if the power goes out. Another job is to condition your power so your servers can run smoothly.
To do both of those things well, you need a smart interface. And at least with APC, there are tons of older UPSes t...
In June I purchased this TrueTime XL-AK time server, so I could learn more of the history of GPS-based time.
I received it on June 22, and just 16 days later a similar GPS time server
In building an NTP time demo on old Macs for VCF Midwest, I came across RFC 867 and RFC 868, for the 'Dayt...
I'm traveling to Chicago for VCF Midwest next month. I'll be demoing NTP time history on vintage Macs, with my own GPS-derived NTP service hosted on an Xserve G5, synced via NTP or a strange AppleTalk timing...