julianwgs

@julianwgs@discuss.tchncs.de

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julianwgs,

Are you just starting out? I got started with home labbing with a Raspberry Pi 2B (1GB RAM!) and an external HDD I had lying around. I host Yarr, Navidrome, backups and a dashboard app Ive written on there and I am quite satisfied. I would really recommend starting small with hardware you already have and then buy new hardware as you go along. I am also using Tailscale. With this you can get your initial setup up and running in a day and save money if it turns out home labbing isnt for you or you dont really need the hardware.

julianwgs,

No, it usually has 70% to 90% less CO2 emissions compared to fossil based fuel, because there are CO2 emitters in the supply chain: Transportation, heating, food for workers, etc. This is the same reason renewable energy has a small CO2 footprint as well. However for e-fuels you need about 6 times as much energy to go the same distance with an electric vehicle. So you have to build 6 as many renewables (only then do e-fuels make sense) compared to electric cars.

Steam Deck OLED Undervolt Efficiency and Performance Scaling (discuss.tchncs.de)

Hello, today I tested the performance and efficiency gains of my Steam Deck OLED at different TDP settings. As a benchmark i used 3DMark Firestrike. Which might not be the best benchmark for the Steam Deck, because it renders at 1080p. But you can still get good information from the results....

julianwgs,

Very interesting! Could you provide some summary of what the trends are or may be visualize the results? I am new to this kind of data

julianwgs,

Transport volume especially for a heavier electric truck is very important, because it is already limited by freight mass. There are already electric trucks for example by MAN on the EU market and the response seems pretty good. Not so much hype as everything Tesla does, though.

www.man.eu/de/en/truck/…/overview.html

julianwgs,

There is plant-it written in Java and HortusFox written in PHP. Both using MySQL. Is there anything available which is written in Go or Rust and uses SQLite?

julianwgs,

Is the posted image from the time the article was published, so 9 years ago?

julianwgs,

This is one of these songs everyone recognizes, but only few know the song by name. Great share!

julianwgs,

I chose Navidrome, with which you can stream music from your hard drive. It has very easy setup and it feels just great to stream your own music. I use Tailscale to connect the server to my phone and Ampery as an iOS app.

julianwgs,

Dont worry: The more data you share, the better the button becomes

julianwgs,

I bought Mirrors Edge: Catalyst. I really liked the original and doing a few runs from time to time is really nice

julianwgs,

Nice! What prompt and model did you use?

julianwgs,

I once taught private lessons in math on calculating the area of a circle and I wanted to show the students how much cheaper per area a larger pizza is. So we of course got the diameters of pizzas from their favorite restaurant and started calculating. Then we found out that the normal sized pizza was actually the cheapest per area. It wasn‘t quite what we expected, but a very good math lesson for the attendees nonetheless: The owner lost money, because they were bad at maths.

julianwgs,

Growth has always been the biggest stopper for reducing environmental impact. Unfortunately there are a lot of countries which still want/need to grow their economy in order to have similar living standards as in Europe or North America. What Amazon demonstrated here is that it is possible to do this growth (9%) without increasing the carbon footprint (-0.4%). This unfortunately is not what everyone wants to read (including myself), but it is bitter truth of our global economy. (I know that this is a oversimplification and our planet does not care)

What’s debatable is that they don’t count the environmental impact of other companies products and their clients. I would argue it is more sensible to criticize these companies directly and may be let Amazon force them to publish the environmental impact on the product page. Of course if Amazon would care more about the environment than their bottom line they would act differently, but I don’t believe that…

Whats the worst is that they are destroying perfectly fine products. This is unacceptable and should be forbidden by law. Additionally they should get sued by the government for doing this thinking it was okay.

julianwgs,

Well thats what backups are for, but may be start with a mirror or with unimportant stuff for at least a year ;) Also proprietary service can delete your data, too. This happens especially when you are using the generous free tier and they decide to make more money. See Evernote, Gitlab, Heroku…

julianwgs,

Free software as in freedom of speech, not necessarily as in free beer. Maintainers also need to pay the bills.

julianwgs,

Or make those secrets explicit. Tell them that you have a bank account on your name to which you only have access to and may be that you don‘t want to tell them how much money is in this account. Further tell them WHY you want that. Any reasonable partner would be fine with this.

julianwgs,

It is also very resource efficient. I am running it on a Raspberry Pi 2 and it works flawlessly.

julianwgs,

It‘s 2023, you can still listen to the same shitty music, because it is yours to keep.

julianwgs,

Yes, the comment was meant as criticism of the streaming era packaged as a joke

julianwgs,
  • Use sqlite instead of Postgres, MariaDB
  • Avoid enterprise software (Kubernetes, Elastic Search)
  • Only use projects with efficient programming languages such as Go, Rust, etc.
  • Try to run things bare metal
  • Lookout for projects which name themself minimal or light-weight

I use a Raspberry Pi 2 to self host a Dashboard written in Rust (Axum), a RSS reader called yarr and a music streaming server Navidrome. The latter two are written in Go and very resource efficient. The electricity bill should be under a Euro a month (6.4W max power consumption).

julianwgs,

I am actually kinda thinking about upgrading to AMD and then using the Intel mainboard as a server :D We will see

julianwgs,

This pattern is true and passenger kilometers represent it just fine. There is no need to use the how often you use the train metric. Note that my two examples were there to explain the metric, not actual factual examples.

As an actual example: I take my bike to work and dont own a car, so my modal split is mostly trains because of longer distance trips, but I use the bike far more often. Frequencies only make sense if each occurrence is very similar (in quantity). For example: How often does one eat meat? Each meal roughly contains the same amount of meat (may be factor two or three difference). Here frequencies make more sense as more detailed statistics dont actually give more insights.

julianwgs,

Thanks, and good observations. Many countries (Germany and the Netherlands for example) have statistics for every mode of transportation, which as you said is way more informative. I just quickly grabbed the first statistic I could find for the EU to be honest :D

Here is the data for Germany: umweltbundesamt.de/…/fahrleistungen-verkehrsaufwa…

For the Netherlands they have the data split by county which is very interesting. In the bike capital Utrecht still 50% of all passenger kilometers belong to car travel. I cant find the government website right now.

julianwgs,

Oh mein Gott was? Das muss ich direkt ausprobieren. Ich kenne niemanden, der das nutzt :D Danke!

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