ch00f

joined 3 years ago
[–] ch00f@lemmy.world 10 points 23 hours ago (1 children)

Right, but that sounds like you implicitly trust the LLM and only verify statements when they seem off. So your intuition is the final arbiter if truth?

[–] ch00f@lemmy.world 3 points 1 day ago (5 children)

How do you verify that everything it tells you is correct?

[–] ch00f@lemmy.world 2 points 1 day ago

Artificial America

[–] ch00f@lemmy.world 1 points 1 day ago

Welcome to Super Earth

[–] ch00f@lemmy.world 20 points 1 day ago

All roads in aerospace apparently lead to weapons.

We were working on a jet engine controller for a miniature engine. But turns out the first application this jet engine startup was targeting is cruise missiles.

And my boss still doesn't consider it defense work because the designs could be used for the other applications the client was pitching like power generation or commercial aircraft.

Except we were targeting features like being able to cold start at 50,000 feet, fitting the electronics inside the engine cowling, and having a total operational lifespan of two minutes.

[–] ch00f@lemmy.world 18 points 1 day ago (2 children)

I told them I don't do weapons. The word "weapon" was said like 8 times in a client meeting.

 

Just learned about the Kaprun disaster in which 155 people lost their lives when an underground train caught fire.

There were only 12 survivors all of whom followed the advice of a retired firefighter who advised them to run downhill through the flames in the rear of the train.

The steep incline of the tunnel acted as a blast furnace that sucked in fresh air from the low end and funneled toxic smoke to the high end.

Not sure how applicable this will be to anyone here, but I thought it a great example of how a little more widespread knowledge of how fire works could have saved a lot of lives.

Tl;dr fire bad but smoke worse. Get to fresh air.

[–] ch00f@lemmy.world 5 points 4 days ago

I too full screen single cells when editing spreadsheets.

[–] ch00f@lemmy.world 16 points 5 days ago (1 children)

I really want to do an electric conversion of a Geo Tracker.

One with a blown engine showed up on Craigslist for $1k two weeks before my daughter's due date.

Next time.

[–] ch00f@lemmy.world 183 points 5 days ago (21 children)

I once shot a wedding that was scheduled around a full moon. I replaced the moon in the photos with a NASA image, color matched it, and made it like 5x bigger than the original.

Nobody noticed.

[–] ch00f@lemmy.world 1 points 1 week ago

This guy ducks

[–] ch00f@lemmy.world 4 points 1 week ago
 

I tend to shoot a lot and not review my photos a lot, but it was recently brought to my attention that my pictures are really dark. I tend to operate in P mode most of the time when I'm doing snapshots and just adjusting EV if I have a particularly bright/dark subject.

However, when shooting in EV +0, my photos are in fact turning out really dark. Even the histogram statistics agree, and I think this behavior has changed over time.

One of the first photos I took with the camera:

Photo I just took:

Histogram:

The on-camera histogram agrees. Everything gets shoved to the left.

Oddly, this doesn't seem to happen all the time. Seems to mostly show up in low-contrast and indoor photos. It seems the camera would rather shove the histogram to the left rather than center it. Even in manual mode, centering the exposure meter still has the histogram shoved to the left.

Things I've tried:

  • Turning off the ND filter. I can confirm ND function works as the ISO shoots up when ND is enabled
  • Updating the firmware. Running the latest version
  • Resetting all camera settings
  • Asking on the Ricoh forums.

Things I haven't tried:

  • Testing with an 18% grey card (it's in the mail)

Any idea what could be causing this?

 

Woke up today to the homeserver being unresponsive. Couldn't SSH, no video out when I connected a monitor, and even the reset button didn't do anything. Had to hold the power button to shut it down.

/var/log/syslog doesn't show anything interesting other than the issue happened at just after 4am. Log

2026-02-27T03:55:01.481794-08:00 blackbox CRON[1743418]: (www-data) CMD (/usr/bin/php8.3 /mnt/MONSTERDRIVE/pixelfeddata/pixelfed/artisan schedule:run >> /dev/null 2>&1)
2026-02-27T04:00:00.198504-08:00 blackbox smartd[2126]: Device: /dev/sdd [SAT], CHECK POWER STATUS spins up disk (0x81 -> 0xff)
2026-02-27T04:00:00.291853-08:00 blackbox systemd[1]: Starting sysstat-collect.service - system activity accounting tool...
2026-02-27T04:00:00.298344-08:00 blackbox systemd[1]: sysstat-collect.service: Deactivated successfully.
2026-02-27T04:00:00.298523-08:00 blackbox systemd[1]: Finished sysstat-collect.service - system activity accounting tool.
2026-02-27T04:00:00.299608-08:00 blackbox kernel: kauditd_printk_skb: 8 callbacks suppressed
2026-02-27T04:00:00.299613-08:00 blackbox kernel: audit: type=1130 audit(1772193600.298:798916): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=sysstat-collect comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
2026-02-27T04:00:00.299615-08:00 blackbox kernel: audit: type=1131 audit(1772193600.298:798917): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='unit=sysstat-collect comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
2026-02-27T04:00:01.923610-08:00 blackbox kernel: audit: type=1101 audit(1772193601.922:798918): pid=1744810 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='op=PAM:accounting grantors=pam_permit acct="www-data" exe="/usr/sbin/cron" hostname=? addr=? terminal=cron res=success'
2026-02-27T04:00:01.923614-08:00 blackbox kernel: audit: type=1103 audit(1772193601.922:798919): pid=1744810 uid=0 auid=4294967295 ses=4294967295 subj=unconfined msg='op=PAM:setcred grantors=pam_permit,pam_cap acct="www-data" exe="/usr/sbin/cron" hostname=? addr=? terminal=cron res=success'
2026-02-27T04:00:01.923615-08:00 blackbox kernel: audit: type=1006 audit(1772193601.922:798920): pid=1744810 uid=0 subj=unconfined old-auid=4294967295 auid=33 tty=(none) old-ses=4294967295 ses=50544 res=1
2026-02-27T04:00:01.923615-08:00 blackbox kernel: audit: type=1300 audit(1772193601.922:798920): arch=c000003e syscall=1 success=yes exit=2 a0=7 a1=7fff81d75200 a2=2 a3=0 items=0 ppid=2654 pid=1744810 auid=33 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=50544 comm="cron" exe="/usr/sbin/cron" subj=unconfined key=(null)
2026-02-27T04:00:01.923616-08:00 blackbox kernel: audit: type=1327 audit(1772193601.922:798920): proctitle=2F7573722F7362696E2F43524F4E002D66002D50
2026-02-27T04:00:01.924259-08:00 blackbox CRON[1744811]: (www-data) CMD (/usr/bin/php8.3 /mnt/MONSTERDRIVE/pixelfeddata/pixelfed/artisan schedule:run >> /dev/null 2>&1)
2026-02-27T04:00:01.924614-08:00 blackbox kernel: audit: type=1105 audit(1772193601.923:798921): pid=1744810 uid=0 auid=33 ses=50544 subj=unconfined msg='op=PAM:session_open grantors=pam_loginuid,pam_env,pam_env,pam_permit,pam_umask,pam_unix,pam_limits acct="www-data" exe="/usr/sbin/cron" hostname=? addr=? terminal=cron res=success'
2026-02-27T04:00:01.925610-08:00 blackbox kernel: audit: type=1110 audit(1772193601.924:798922): pid=1744811 uid=0 auid=33 ses=50544 subj=unconfined msg='op=PAM:setcred grantors=pam_permit,pam_cap acct="www-data" exe="/usr/sbin/cron" hostname=? addr=? terminal=cron res=success'
2026-02-27T04:00:02.357616-08:00 blackbox kernel: audit: type=1104 audit(1772193602.356:798923): pid=1744810 uid=0 auid=33 ses=50544 subj=unconfined msg='op=PAM:setcred grantors=pam_permit acct="www-data" exe="/usr/sbin/cron" hostname=? addr=? terminal=cron res=success'
2026-02-27T09:23:35.786375-08:00 blackbox systemd-modules-load[904]: Inserted module 'dm_multipath'

Would something like this be a direct hardware failure? Like a power supply hiccup or something? It happening at 4am coincides with my electric car starting to charge, but the server is on a dedicated 20A circuit and behind a battery backup. I also don't see any power issues on my Sense monitor at that time though it has limited resolution.

Mainboard is a Supermicro H13SAE-MF and I'm using ECC RAM.

I've been running this hardware for over a year and never had this issue, but I'm running out of places to look.

Might be time to finally get IPMI working.

 

I’m running funkwhale in docker. This consists of a half dozen docker containers one of which is postgres.

To run a backup, funkwhale suggests shutting down all of the containers and then docker compose running pg_dump on the postgres container. Presumably this is to copy the database when nobody is accessing it.

For some reason when I do this, I get an error like:

pg_dump: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: No such file or directory
	Is the server running locally and accepting connections on that socket?

It would seem that postgres isn’t running. I see the same error with other commands such as psql.

If I fully boot the container and then try exec-ing the command, it works fine.

So it would seem that the run command isn’t fully booting the instance before running the command? What’s going on here?

The container is built from postgres:15-alpine

 

I'm moving my music library to a funkwhale instance, but I don't want to have to keep two copies of every song (one imported to Funkwhale, one on a local drive).

It looks like Funkwhale will let you download a single song at a time from your own library , but there doesn't seem to be a similar button for albums or playlists.

The files themselves are obfuscated in whatever indexing system it uses, so there's nothing to be done there.

Anyone know how this is possible?

 

Just got Whisper working on my local server so I can send it audio files via curl POST request and receive transcribed text.

Are there any keyboard plugins for phones that could be directed to a personal server running Whisper to replace functions like Siri/Google assistant voice transcription?

 

I'm hosting a few services using docker. For something like an openstreetmap tileserver, I'd like it to remain on my SSD because high speed improves performance, and the directory is unlikely to grow and fill the drive.

For other services like NextCloud, speed isn't as important as storage size, so I might want it on a larger HDD raid.

I know it's trivial to move the volumes directory to wherever, but can I move some volumes to one directory and some volumes to another?

 

You always hear about gun sales in the US, but you never hear about what happens to the guns at the end of their lifecycle. I assume guns wear out eventually, and I assume you can't just chuck them in the garbage when they do. What happens to them?

1
submitted 2 years ago* (last edited 2 years ago) by ch00f@lemmy.world to c/hardware@lemmy.ml
 

Upgrading a server for the first time in 10 years, so I’m a little out of the loop. I was surprised to find that the RAM I bought didn’t fit.

This is my first time dabbling in ECC RAM, so I figured there was some minor detail I missed when purchasing, but I eventually came across the data sheet for this stick, and the dimensions given don’t match the measurements I’m making. The tip of the caliper should be in the middle of the notch at 68.1mm.

What’s more is that the dimensions in the data sheet seem to match the dimensions on my motherboard. What’s going on here?

[SOLVED] I and Kingston are morons. I ordered RDIMM instead of UDIMM. The Kingston datasheet gives the wrong dimensions.

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