• 0 Posts
  • 18 Comments
Joined 11 months ago
cake
Cake day: July 23rd, 2025

help-circle
  • Lee@retrolemmy.comto3DPrinting@lemmy.worldWhat 3D printer should I buy?
    link
    fedilink
    English
    arrow-up
    2
    arrow-down
    1
    ·
    5 days ago

    That mindset is part of why I bought a Prusa originally, but felt betrayed by the MMU2S. That was an expensive and crap product that they never fixed. They basically stole from their customers with that one and I wish the community wouldn’t let them get away with it without them making it right, which at this point would be difficult to do.


  • Lee@retrolemmy.comto3DPrinting@lemmy.worldWhat 3D printer should I buy?
    link
    fedilink
    English
    arrow-up
    1
    arrow-down
    1
    ·
    edit-2
    5 days ago

    I don’t know current best options, but last I was looking, the Voron design was where I was leaning. I’d suggest avoiding companies that violate open source licenses.

    I used to be a Prusa evangelist, but I don’t forgive them for the MMU2S. Huge amount of people never could get it to work. I’m curious as to the actual percentage working. I couldn’t ever get it to work even with multiple complete rebuilds. That product should have been recalled or a free fix offered. Years later they released a new version that supposedly fixed the issues and you still had to pay to upgrade to it. Discounted if they had a support record for you. If not, full price.

    From time to time I see a new Prusa printer and think “that looks good, I should buy it”, and then remember the insane amount of time I wasted trying to get the MMU2S to work. Never buying Prusa again until they provide me the working MMU I paid for at no additional cost. As there’s basically zero chance of that, my boycott continues and I suggest not supporting a company that fucked over their customers with an expensive poorly designed product that they then want them to pay to fix.



  • Is it resolving to an IPv6 address? If so and you don’t have fully working IPv6, try disabling IPv6 on Debian. I’m mentioning this as a possibility because I’ve personally had this issue with some new Debian installs a few times. The first few it took me more time than I’d like to admit to figure out the issue. If this is the case, then an IPv4 only mirror would avoid it, but you may have other random issues.

    If it’s not related to IPv6, then I’d just pick different mirrors until you find one that works. Are you able to access that fastly mirror from another device (via http)?


  • Please actually compare the certificate when connecting to your server directly (bypassing Cloudflare) and connecting via Cloudflare. An easy way to do this is with openssl CLI:

    openssl s_client -servername your-domain-here.org -connect your-ip-here:443 < /dev/null 2>/dev/null | openssl x509 -text -noout
    

    Replace your-domain-here.org with your domain and your-ip-here with your actual server IP, but also do it with the Cloudflare IP.

    The section about the “Full (strict)” / “Full” is referring to how Cloudflare verifies the certificate (or not in the case of Flexible and off) between your origin server and Cloudflare – this is not with respect to the client and Cloudflare. The Custom origin certificates are also with respect to Cloudflare and your server (has no impact on certificate used between the client and Cloudflare). Cloudflare still uses a separate certificate that they have issued to themselves and hold the private key to use for the client.

    If you pay extra for their “Advanced Certificate Manager”, this allows you to upload a custom certificate to be used between the client and Cloudflare, but you have to provide the private key to Cloudflare because they still terminate SSL/TLS at their servers. Even their “Total TLS” service (part of ACM and the word “Total” could be mistaken to be “total” as in from client all the way to your origin server) does not provide E2EE.

    I may be unaware of a newer service offering, but the only way that I’m aware of to get true E2EE is on their Enterprise plan (Keyless TLS). I have a lot of experience with Cloudflare for both personal and Enterprise plan (I was the technical person in charge of the account and configuring and such). Granted, I’ve not been dealing with CF enterprise for a few years now and they may have a new service offering outside of enterprise that I’m not familiar with, but my quick look around still looks like everything aside from Keyless TLS requires either giving them the key (in the case of ACM custom certificates) or they use their own certificate for client <-> Cloudflare. When I did manage the enterprise plan, we actually didn’t use Keyless TLS because we used features that required them to terminate TLS anyway, so I can’t speak to the specifics of it.

    I hope I’m wrong though. I’d love to have true E2EE while still getting the DDoS protection on my personal stuff.




  • I’m in very early stages of a similar project (platform fighter) and a similar issue (I can’t do everything and was having trouble finding reliable people). I don’t know if our project goals are similar enough to warrant working together, but I think it may be worth talking about a possible collaboration. Perhaps even just to make the game multi platform (I’m targeting a retro game console) given that we’ll both need a lot of the same things even if the code itself has a lot of differences. Art, sound, music, story/text, but even things like defining character lists, abilities, and game balance related things is important and duplicative.

    By very early stages I mean I don’t have any game logic written yet. I’m targeting retro game console hardware and so far I’ve mostly been writing code (primarily C) to test my understanding of how the hardware functions/limitations (already found some bugs between emulator and real hardware that impacts some home brew games from other developers), and then writing functions that will become a game building library (I don’t know that it’s right to call it an “engine”). Granted, I’m making a lot of assumptions at this point about what I’ll need in terms of features, but also in terms of how much system resources are safe to allocate to different pieces, so when I get things a little more understood and have some core library functions I’m happy with, I’ll start writing game logic to see what more I need / what changes I need to make.

    I’ve not worked on it for a few months as I’ve been busy with contract work that I was just informed this week is ending prematurely due to budgetary changes. As such, I expect to have time to pick it up again starting next week.



  • Could you explain more? Is this just an experiment to see if you can line up and fuse 2 separately printed objects? Are the 2 parts different materials? I feel like I’m misunderstanding.

    What I think you’ve done is print 1 object in TPU and then print a 2nd object, also in TPU, close enough to the 1st object such they fuse. Maybe your future plans would help me understand. I’m interested in learning about different techniques.

    I had considered doing something like object fusing to create foldable objects, like print the first couple layers in TPU (for both objects as well as a connecting piece between them) and then print 2 separate objects on top of the TPU base – think like a foldable phone case where rather than use a normal hinge, it would be an edge in TPU and the rest is PLA/PETG/whatever. Reason to do the whole base in TPU is that I thought just printing the part that connects the other 2 parts in TPU wouldn’t fuse well enough and would separate with use. I’ve not actually done this.




  • It says it can’t be decrypted with passive means due to a proper ECDH key exchange, but if they are not doing any sort of verification that theor server sent or created the key, then it would be possible to do an active attack like MITM that manipulates the key exhcnage. What I mean is, your MITM proxy would substitute the real key with one that you have the keypair to and hand that to the target application. The target application then encrypts using the key you provide, your MITM proxy decrypts and reencrypts with the real key and all seems legit from both sides.

    If there are server validation of some sort, signature checks or whatever, then it would require extra work like patching out or otherwise modifying those checks in the application, extracting the key from the application’s memory, or something like this.

    I guess myvpoint is, if you’re motivated enough, you can make it happen.






  • When I first read this, I thought subgraded meant “fell into the water and sank” and “into subs” meant hit them/wrecked in to subs (that were near the ship at the time the aircraft sank). Insert spongebob (too much) time passing meme. Oh…

    Sometimes I find Peter Explains the Joke funny. Sometimes I need it. I hope you’ve had a good day. This has been mine.


  • Years ago i was looking for EV kits and found several people out there selling them. Idk what the current availability is, how much tech they have, or how open they are. The ones I saw were pretty low tech (lacking regen braking and such). Think accelerator pedal controls motor speed and a battery pack is about all they were. Again this was a while ago when I was looking (like 2010ish).

    You could offer kits for older vehicles, but considering the cost of the kid and installation cost/effort, does it make sense to start with an older car that may have other issues coming soon?

    So what’s the alternative? Start with a new car and throw out the ICE? Sure, but a bit wasteful and even more expensive than an older car or you could find an existing manufacturer (idk like Lotus) who will basically provide you the car without the ICE related components (aka a glider). ;)