| --- Log opened Sun Nov 17 00:00:38 2019 |
| 00:20 | | himi-cat [sjjf@Nightstar-v37cpe.internode.on.net] has joined #code |
| 00:21 | | himi [sjjf@Nightstar-v37cpe.internode.on.net] has quit [Connection reset by peer] |
| 01:09 | | * McMartin dives into a parallel universe autotools hell |
| 01:09 | | * McMartin is, apparently, autotools doomguy? |
| 02:02 | | Kindamoody is now known as Kindamoody[zZz] |
| 02:04 | <@Alek> | dammit, I don't wanna reinstall DOOM just yet... |
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| 04:57 | | mode/#code [+qo Vorntastic Vorntastic] by ChanServ |
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| 06:05 | < Yossarian> | Huh? |
| 06:05 | < Yossarian> | $ cron |
| 06:05 | < Yossarian> | cron: can't open or create /var/run/crond.pid: Permission denied |
| 06:05 | < Yossarian> | $ sudo cron |
| 06:05 | < Yossarian> | cron: can't lock /var/run/crond.pid, otherpid may be 352: Resource temporarily unavailable |
| 06:06 | < Yossarian> | thought cron allowed non-superusers to schedule jobs |
| 06:07 | < Yossarian> | maybe it isn't set up in a specific .allow file or does it have something to do with systemd? |
| 06:07 | <&[R]> | You want to run crontab |
| 06:07 | <&[R]> | `crontab -e` specifically |
| 06:09 | < Yossarian> | opens /tmp/crontab.blbblblblb/crontab with what I presume is $EDITOR (it's vim) |
| 06:09 | <&[R]> | Either $EDITOR or $VISUAL (forget which has priority), falls back to vi (which is not vim) |
| 06:10 | < Yossarian> | visual I think |
| 06:11 | < Yossarian> | What do I want in crontab? |
| 06:12 | < Yossarian> | I have the manpage open, so, I'm not being lazy... or that lazy, at least, I'm reading |
| 06:12 | < Yossarian> | or maybe I need to be looking at man 5 crontab |
| 06:13 | <&[R]> | Yes |
| 06:15 | <&[R]> | https://termbin.com/hyvz <-- my work machine's crontab |
| 06:15 | < Yossarian> | so the crontab will have when, user, and user command |
| 06:15 | < Yossarian> | but what about cron.daily and cron.weekly? |
| 06:16 | <&[R]> | The crontab files will have when and user command, no user. |
| 06:17 | <&[R]> | Look at /etc/cron.d/ |
| 06:17 | < Yossarian> | and what is the dow field? |
| 06:17 | <&[R]> | Sunday Monday Tuesday etc... |
| 06:19 | < Yossarian> | day of week, okay |
| 06:20 | < Yossarian> | your hourly line has min 30 |
| 06:20 | < Yossarian> | but everything else asterix'd |
| 06:21 | <&[R]> | Right, because I want it to run every hour, every day, every month, but only one minute of that hour |
| 06:21 | < Yossarian> | intuition says that every 30 minutes it will run |
| 06:22 | <&[R]> | No, it will run at 0030 0130 0230 0330 0430 0530 etc... |
| 06:22 | <&[R]> | You're pattern matching against the current time |
| 06:22 | < Yossarian> | so it denotes the time on the clock |
| 06:22 | <&[R]> | Yes |
| 06:23 | <&[R]> | BTW, the crontab files in /etc/cron.d/ *do* need a user, so I was mistaken. HOWEVER, the crontab files made by `crontab -e` DO NOT. |
| 06:24 | < Yossarian> | the crontab files with crontab -e do they get saved somewhere that isn't /tmp/ after exiting the editor or...? |
| 06:24 | <&[R]> | I recommend using your user crontab file (IE: the one that `crontab -e` edits) |
| 06:24 | <&[R]> | Yes |
| 06:24 | <&[R]> | /var/spool/cron/ |
| 06:25 | < Yossarian> | so lemme fill in some simple examples and I'll paste them and you can tell me if it looks right, sound decent? |
| 06:27 | <&[R]> | https://termbin.com/t438 <-- from vixiecron's crontab(5) |
| 06:43 | < Yossarian> | $ crontab -l |
| 06:44 | < Yossarian> | #MIN HOUR DAY MONTH DoW COMMAND |
| 06:44 | < Yossarian> | #* * * * * echo test >> /home/R/croncron |
| 06:44 | < Yossarian> | 0 * * * * notify-send "It's a new hour!" |
| 06:44 | | [R] [rstamer@genoce.org] has quit [Z-Lined: Killbot has judged you to be a spammer. Begone. (ID: 8UQZ3T8TUU)] |
| 06:44 | | Yossarian [yoss@Nightstar-d7h8ki.org] has quit [Z-Lined: Killbot has judged you to be a spammer. Begone. (ID: 8UQZ3T8TUU)] |
| 06:44 | <&McMartin> | Oof. |
| 06:44 | <&McMartin> | TheWatcher: Killbot went rampant |
| 06:44 | <&McMartin> | Probably worth determining what it is about crontabs that makes it murdery |
| 06:46 | <~Vorntastic> | Argh. I don't have powers here |
| 07:47 | | * McMartin manages to pummel Xcode into submission, more or less |
| 07:48 | <&McMartin> | Now I just need to throw around enough Perl to make it run on machines that aren't this one. |
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| 07:57 | | mode/#code [+ao VirusJTG VirusJTG] by ChanServ |
| 10:12 | | Kindamoody[zZz] is now known as Kindamoody |
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| 10:52 | <@TheWatcher> | You triggered a rule in killbot that detects 30 or more consecutive non-alphanumeric characters |
| 11:04 | | Emmy [Emmy@Nightstar-o9u.8m2.160.77.IP] has joined #code |
| 11:41 | <~Vorntastic> | How the hell is Fanfare Vagabontu video game music |
| 12:05 | | Kindamoody is now known as Kindamoody|afk |
| 12:25 | <~Vorntastic> | Wrong channel |
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| 17:53 | | Kindamoody|afk is now known as Kindamoody |
| 17:54 | <&[R]> | Okay, I definately 100% hate EFI |
| 17:54 | <&[R]> | So I updated my kernel right? Well, now I can't mount my esp partition, which means I can't push the new kernel onto it. |
| 17:54 | <&[R]> | AMAZING |
| 18:50 | | Vorntastic [uid293981@Nightstar-2dc.p8m.184.192.IP] has quit [[NS] Quit: Connection closed for inactivity] |
| 19:20 | <@TheWatcher> | Awesome |
| 20:26 | <&McMartin> | I have a decent grasp of how the BIOS boot process works, but (U)EFI is still broadly a mystery to me |
| 20:50 | <&McMartin> | Does Perl have a primitive/single statement version of doing a substitutino on every line of a file or do I just write the two-statement while loop? |
| 20:51 | <&McMartin> | (I have a slightly unhealthy habit of relying on $_. I blame the 6502 asm code and the way every instruction sets the status flags.) |
| 21:47 | <@TheWatcher> | Are you /just/ doing the sub? |
| 21:47 | <@TheWatcher> | If so |
| 21:48 | <@TheWatcher> | #!/bin/env perl -pi.orig |
| 21:48 | <@TheWatcher> | s/foo/bar/; |
| 21:48 | <@TheWatcher> | That's your program |
| 21:48 | <@TheWatcher> | then invoke it as |
| 21:49 | | Kindamoody is now known as Kindamoody|afk |
| 21:49 | <@TheWatcher> | something.pl <file1> [<file2> ...] |
| 21:54 | <@TheWatcher> | Ooops, should have been #!/bin/env -S perl -pi.orig |
| 21:55 | <&[R]> | /usr/bin/env |
| 21:57 | | * TheWatcher shrug |
| 22:00 | <&[R]> | Of things that don't have /bin -> /usr/bin; only one UNIX has env in /bin/, everything else has it in /usr/bin/ |
| 22:03 | <&McMartin> | No, I'd be doing it as part of a larger task |
| 22:04 | | * McMartin is incorporating a shell script that repeatedly shells out to sed into a single Perl script that does all the work |
| 22:04 | <&McMartin> | (And then the shell script ultimately also does other work and then hands the final work to Perl. I want to make Perl do all the work so the tasks are all in one place) |
| 22:10 | | * Emmy creates a 1000 line function for McMartin to do all those things with no particular order or separation of functionalities |
| 22:10 | | * Emmy then erases all comments |
| 22:10 | < Emmy> | there you go. |
| 22:12 | <&McMartin> | This'll fit under 100 and likely under 50. |
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| --- Log closed Mon Nov 18 00:00:39 2019 |