 Imagine wondering “When’s the next time that Christmas will be a Tuesday/Wednesday, for those sweet optimal public holidays (Jan 1st being exactly a week later)?” Now imagine asking, idk, google or Siri or god forbid an actual calendar, instead of turning to the best tool for the job: systemd.  112 comments
 (that’s two “Dumbledore asked calmly” posts today, which led to me getting informed that the movie that gave rise to this meme came out 19 years ago, which is WRONG wrong wrong)  @rixx True but the implications of setting a systemd timer for "when Christmas is on a Tuesday" are terrifying. @lambisio @xahteiwi Not sure – I thought "* * 13 * 5" meant "both on Fridays and on the 13th of each month", and https://crontab.guru/#0_0_13_*_5 agrees. In any case a huge advantage of systemd timers is your ability to query them for next / scheduled / past runs like this fwiw. @rixx @xahteiwi That's weird. I mean, 30 6 * * * means "at 6:30" and not "every half hour and also at 6:00". So it'd be extra weird if dow/dom were specialcased that way. But even then, that doesn't justify "solving" the problem by subsuming it into systemd. Pretty sure there's like at leats other 200 tools to do the job. (No, NTP is *not* one of them!)  @rixx I’m reading your toot while sitting in the aptly named lounge in the hotel I’m staying tonight…  or convince everyone to switch to a 13-month perennial calendar where 25 Dec is always Thursday AND 01 Jan is always Monday  13 months of 28 days is 364 days The extra day is a Holiday and is not a day of the week? Call it Earth Orbit Day, or something.  @megatronicthronbanks gotta try harder with the trolling, among init system wars, this doesn't even register  @rixx This is systemd propaganda! /jk This feel so wrong, like emojis source code (I love it!) 🤯 From the very detailed man page: Example 14. Show parsing of timespans $ systemd-analyze timespan 1s 300s '1year 0.000001s' Original: 300s Original: 1year 0.000001s  @schrotthaufen @catsalad Because systemd-timers are an actually really cool thing, but if you implement a scheduling system, you need to understand calendars, to allow people to say "do this every Monday". (sorry, this is assuming you wanted an answer) @rixx Want to know why only Apple products are allowed in my house? This. This is why. (Dear penguinheads, my killfile thirsts for your souls. If you reply I shall feed you to it.) @kentenmakto I feel you deeply, my troll soul wanted to start the post with "can your initd do THIS"  @rixx it is funny. But honestly I'm not even conflicted about this. If you want to run timers, which is very reasonable for an init system; you need to handle real, human, times and all their messiness. Say you want to automate a holiday email, or manage processing of documents at certain business defined times. @wink @rixx  @wink @ttamttam @rixx  I actually demonstrated this a few classes ago. As a way to figure out the furthest out you can set a cron job. I think it was on a Wed 29 Feb. All the LLMs gave a wrong answer. @rixx the real question for me is ... how are you able to post this information almost one month in advance?     @rixx perfect, don’t forget to let John Connor know so he can take a well-deserved break. After all, that’s the same year he sent Kyle Reese back to 1984, on a mission to save Sarah Connor’s life (and, indeed, impregnate her to create John Connor in the first place).  @rixx meine Tochter fragt ständig, wann ihr nächster Geburtstag am Geburtsgeburtstagtag (Neologismus von ihr) sein wird und ich rechne jedesmal rum. Danke!   @rixx  @rixx and then imagine for most of the world christmas applies too, the main holiday is on the 24th 😎 @rixx traditionally, Christmas Eve is the main holiday (where presents are given and the churches are visited) and afaik in Germany, 24th is a full holiday but that might have changed in the last years tbh since I burned out and left the world of labor lol. @Em The 24th has ~never been a full holiday. The 25th and 26th are full holidays, the 24th and 31st are half holidays. It’s true that the gift-giving in Germany is traditionally on the 24th, though the church visits are ~late at night or on the 25th in the morning for those who can’t do late nights. Idk how you’re counting “most of the world” part, even ignoring countries that celebrate January 6th – I know several countries where the 25th is proper Christmas, and 24th "just" the eve.   @rixx every time I learn about something new systemd can do, the more I wonder "is systemd an operating system of it's own?"  @marjolica aww, I knew it would bring out the trolls eventually! It’s so heart-warming to see the old Linux traditions alive and well. @marjolica hmmmmm yes, I’m sure “systemd cancer” was not trolling at all, just a calm reasoned response. byeee 😘 @rixx "Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body." @marjolica @rixx Good thing is that you can freely pick the Init system of your choice and do not need to resort to poor comparisons and insensitive language out of nowhere. Oh wait... @climbertobby You would not believe how tempted I was to end my post like that – took all my willpower to walk past …  @rixx this probably uses fewer resources (taking everything into account) than any of the other approaches you mentioned.      |
Gregory's Server
@rixx thanks, I hate it :blobcatfearful: