0kto
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4 years ago
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on: The physics anomaly no one talks about: What’s up with those neutrinos?
Since nuclear reactors emit neutrinos as well, there are experiments measuring the neutrino output at two different locations from a commercial power plant and compare the flux of neutrinos taking the mixing into account (as well as all the other sources, of course).
Actually, I did an internship after school with one of the groups:
https://www.mpi-hd.mpg.de/lin/research_dc.en.html
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4 years ago
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on: Low Cost Banana Pi BPI-R2 Pro 5-Port Gigabit Ethernet Router Board
After several tries, I just gave mine away, for the same reasons. There are so many boards that are a pleasure to work with, but this one was not worth the hassle.
I can recommend the replacement, a PC engines board with four Gigabit Lan ports running OpenWRT.
0kto
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4 years ago
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on: Clarifications regarding arrest of climate activist
0kto
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7 years ago
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on: Ask HN: Best Centralized Backup Solution
Go for the btrbk tool - automates snapshots, and sends / receives them incrementally via SSH to a Server, with pretty fine-grained retention settings. Awesome.
0kto
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7 years ago
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on: Ask HN: How do you backup your files without depending on a third party service?
I recently converted all my Linux boxes to use BTRFS filesystems. That allows for snapshots of each sub volume, and you can even send them (incrementally) to another btrfs drive.
Last weekend I also set up btrbk, which gives you an environment to automate the process. It let's you snapshot any subvolume to a schedule you configure, and then send backups to any destination you specify via ssh, or even USB drives. Since these are incremental it uses very little bandwidth.
It even has an archive function for long term storage, and just like the other backups you can define individual retention policies for each location.
Did I mention it also supports non-btrfs support, encryption, and both host/server initiated backups? Awesome.
Next weekend I'll set up encrypted archives to the cloud...
0kto
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8 years ago
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on: “I don't have a Facebook account and would like to request all personal data...”
The next step is:
Hi,
We've received your request for information about your personal data, but since there's no Facebook account associated with the email address from which you're writing, you'll need to send us a response directly from the email address that's listed on the account you'd like information about.
...
0kto
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8 years ago
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on: Ask HN: Recommendation for a home server
I use a small SoC (X10SBA from supermicro) in a mini-ITX case that fits 6 HDD drives (currently 3x3TB raid6) running Arch Linux.
The Intel celeron J1900 is more than up to the task, and you get a low powered device with which you can serve a website, have a NAS, media center, headless server, syncthing, etc.
Great experience so far and quite inexpensive device that runs 24/7.
0kto
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8 years ago
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on: Ask HN: What does HN think about adding “A” to STEM?
I thought STEM is mainly a category that includes subjects that have certain principles and approaches, that are distinct from, say, humanities or art: they are based on falsifiability and mathematical theories.
0kto
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8 years ago
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on: The Best Alternative for Every Facebook Feature
So [matrix] seems to fit the bill: federated network, bridges to other services (like IRC), encryption, you can write your own client or run your own server...
[Matrix]: https://matrix.org/
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8 years ago
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on: The Worsening Cosmic Ray Situation
The one time working inside a nuclear plant probably puts you in a environment with lower than ambient levels :)
0kto
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8 years ago
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on: Ask HN: As a data scientist, what should be in my toolkit in 2018?
Well, only the DataFrames.jl package comes to my mind. However, there exist a few packages that extend this package (DataFramesMeta.jl or Query.jl; these overlap to some extend, but the newer Query package seems to go beyond DataFrames and offers some piping capabilities to interface with plotting packages).
In general:
During the three years of my PhD some language / package upgrades broke some of my scripts (during 0.4 -> 0.5 and -> 0.6), but the language (and its extensive documentation, online and from the source code of the packages) is very pleasant to use - the deprecation warnings usually help you to adjust your code in time. I have been relaying heavily on said DataFrame package, and am quite happy - the community is usually responsive and helpful in case of problems or questions.
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8 years ago
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on: Ask HN: What's your email setup?
I am a posteo [1] subscriber.
Superior set of features [2] (privacy, security, encryption), runs on green power, no ads / tracking, groups in address book, nice staff -- for 1€ per month.
Also supports mandatory TLS transfer (or doesn't send the email), if wanted.
Couldn't be happier since ~5yrs!
[1] https://posteo.de/en
[2] https://posteo.de/en/site/features#featuresprivacy
