Here's a snippet for sending files via serial from #OpenBSD (and other BSD systems) via direct RS232 serial using YMODEM (set to 57600 baud for great success, in my case the transfer likes to fail at higher speeds):

First you need lrzsz for sending stuff:

# pkg_add lrzsz

Then establish a serial connection:

$ cu -l /dev/cua00 -s57600 -d
Connected to /dev/cua00 (speed 57600)

Then (on a "clean" line, so perhaps press Enter once for good measure) issue the cu command:
~C
Which forks out and asks for a command you'd like to execute.
Run:

*Local command?* lsz --ymodem ~/file-to-send.bin
Sending: file-to-send.bin
Bytes Sent:1881472/5125910   BPS:5243     ETA 10:18

Then put the other machine in YMODEM receiving mode and rub your hands together in glee.

Other methods that work but are discouraged:

cu(1) actually has XMODEM transfer baked in (running the ~X command once connected) but I found it to be unreliable and slow. Don't use it.

Depending on your use case you might be able to use the ~> command in cu(1) as well, but that will just directly write file contents to the serial connections, "raw". In my case this was NOT what I wanted as I wanted to send stuff to a non-unix machine. But if you did, then you'd probably need to just cat the output of the serial connection to a file on the receiving end.

#RunBSD #retrocomputing

#unix_surrealism #openbsd #openssh #ssh #comic #runbsd #fish #puffy

Alt...

Fish gives Postman fish a letter. Postman fish travels through a dangerous evil forest. Postman fish reaches a computer. Postman fish checks Fish's letter. It says "ls" and a key is attached. Postman fish types ls on the computer. It prints the output of the command. Postman fish copies the output of the command and travels back to Fish. Postman fish hands Fish the output of "ls" in a neat envelope with a fish sticker.

BSD Conference in NL

On Saturday, 9th of May, there is the Spring edition of BSD-NL Our lovely BSD conference, held in the Netherlands. Or more specifically, in Utrecht - which is the centre of our little country.

Do you use the BSDs in any way - whether personally, professionally? Everyone with even the slightest interest into the BSDs is welcome, whether you are a beginner or a seasoned maintainer/contributor There will be a couple of talks/presentations, plenty of room and time to hack - and to socialize if that is your thing

So: grab a ticket, join the awesomeness: BSDNL.nl And follow @bsd_nl

#BSDNL #BSD #RUNBSD #OpenBSD #HardenedBSD #SecBSD #FreeBSD #NetBSD #DragonflyBSD #GhostBSD #EvenMyMotherRunsBSD

📢 The Call for Papers is open for BSD-NL Conference – Spring 2026 📢

We are looking for talks on any *BSD 🐡😈⛳ topic!

Whether you’re a seasoned speaker or just starting out, we want to hear from you.

Share your ideas and join us in Utrecht!
🔗 https://events.bsdnl.nl/early2026/

📆 2026-05-09 / May 9th 2025
🕐 10:00-23:00 CET
📍 Brouwerij Maximus (Utrecht)
🌐 https://bsdnl.nl

#BSDNL #RUNBSD #BSD #OpenBSD #FreeBSD #NetBSD #HardenedBSD #SecBSD #DragonflyBSD

Alt...

Tom Hanks as Joe Fox in the movie "You've Got Mail" acting like the godfather. It has the text: Submit!

📢 Looking for first-time *BSD speakers! 😈⛳️🐡

The EuroBSDCon 2026 Call for Papers is open, and we’d love to hear from you, yes you! Whether you are just starting out or have a unique perspective to share, your voice matters.

Have you:
- Discovered something cool about *BSD?
- Solved a tricky problem or learned a useful thing?
- Want to share how *BSD can make a first-time user experience better?

This is your chance to share your story, learn from others, and grow as a speaker in a supportive community.

🔗 Submit your idea here: https://events.eurobsdcon.org/2026/cfp
📅 Deadline: June 20, 2026

We are here to help, mentorship and guidance available!

#RUNBSD #FreeBSD #NetBSD #OpenBSD #EuroBSDCon #EuroBSDCon2026 #BSD #Conference #CFP #FirstTimeSpeaker

Alt...

Cutout of the EuroBSDCon 2026 banner. Comic like drawing. First panel has a butler serving a nice Belgium beer. There are two speech bubbles. 1. ...we find this? 2. Etterbeek, Sir. The second panel has Manneken Pis doing his thing.

📢 Calling all BSD enthusiasts! 😈⛳️🐡

The call for papers for EuroBSDCon 2026 in Brussels is open, and we're looking for your brilliant ideas! 🌟

Got a groundbreaking discovery in *BSD applications, architecture, or implementation? Or maybe you've cracked the code on performance and security? We want to hear from you!

Don't miss this chance to:
- Demonstrate how *BSD are tackling today’s challenges and solving real-world problems.
- Explore the inner workings of *BSD, share your expertise on its design, structure, and innovation.
- Unveil your best practices, clever hacks, and practical tips for optimizing and fine-tuning *BSD.
- Unlock the full potential of *BSD to maximizing efficiency, speed, and scalability.
- Showcase your expertise in hardening *BSD and building robust defenses against modern threats.
- Highlight how *BSD is driving change in economic, organizational, and societal contexts.

https://events.eurobsdcon.org/2026/cfp

Deadline: June 20, 2026 🕒

Let's make EuroBSDCon 2026 the best one yet! See you in Brussels! 🌟

EuroBSDCon 2026 in Brussels, Belgium 🇧🇪
September 09-13, 2026

#RUNBSD #FreeBSD #NetBSD #OpenBSD #EuroBSDCon #EuroBSDCon2026 #BSD #Conference #CFP

Alt...

Snippet from the banner of EuroBSDCon 2026. It's a comic style drawing of the Atomium with the FreeBSD logo floating in front of it. The Grand-Place is also drawn with the NetBSD flag on top.

Can't we all just #RUNBSD?

Good timezone Fedi - what desktop environment or window manager do you use and why? If you could recommend it in a 1 sentence, what it would be?

#wm #de #xorg #x11 #wayland #linux #macos #windows #dos #haikuos #plan9 #freebsd #runbsd #openbsd #netbsd #dragonlfybsd #linux

See I would have loved to reply to your email but my internet is slow and my working hours were taken up with running # sysupgrade -s before I would open my emails to make sure it's all secure so I never had enough time, sorry

#OpenBSD #RUNBSD

🚨 Spring is upon us! 🚨

To celebrate this we want to announce, with a little more time this time, the next edition of the BSD-NL Conference.

BSD-NL Conference - Spring 2026 🐡😈⛳

📆 2026-05-09 / May 9th 2026
🕐 10:00-23:00 CET
📍 Brouwerij Maximus (Utrecht)
🌐 https://bsdnl.nl

If you have a talk prepared already we want to hear from you! You can submit your abstract at https://events.bsdnl.nl/

Hack! You can even register for the event already... the price we charge is to cover lunch. https://tickets.bsdnl.nl/bsdnl/early-26/

#BSDNL #RUNBSD #BSD #OpenBSD #FreeBSD #NetBSD #HardenedBSD #SecBSD #DragonflyBSD

Why I love FreeBSD

A personal reflection on my first encounter with FreeBSD in 2002, how it shaped the way I design and run systems, and why its philosophy, stability, and community still matter to me more than twenty years later.

https://it-notes.dragas.net/2026/03/16/why-i-love-freebsd/

#FreeBSD #ITNotes #RunBSD #IT #SysAdmin #OS #OpenSource

TIL that the trunk(4) #OpenBSD manual page has an EXAMPLES section that describes how to "(...) set up roaming between wired and wireless networks using two network devices (...)". Which means you don't have to access the OpenBSD FAQ to do it. And that's fscking great when you brought your laptop to the and forgot to configure the automatic switching!

#RunBSD

uname -sr
sysctl hw.version
time (x11perf \
-dot \
-create \
-destroy \
-map \
-rect500 \
-aa24text \
-copywinwin100 \
-f8text \
-fitext \
-gc \
-getimage500 \
-pcircle100 \
-polytext \
-putimage500 \
-rect500 \
-resize \
-scroll100 \
-tileftext \
-tr10text \
-triangle100 \
-repeat 2 \
-time 1 > /dev/null)