stebalien changed the topic of #ipfs to: Heads Up: To talk, you need to register your nick! Announcements: go-ipfs 0.4.19 and js-ipfs 0.34 are out! Get them from dist.ipfs.io and npm respectively! | Also: #libp2p #ipfs-cluster #filecoin #ipfs-dev | IPFS, the InterPlanetary FileSystem: https://github.com/ipfs/ipfs | Logs: https://view.matrix.org/room/!yhqiEdqNjyPbxtUjzm:matrix.org/ | Forums: https://discuss.ipfs.io | Code of
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<TUSF>
Has anyone run a node on Google Cloud before? How much would that cost to keep running?
<lordcirth__>
Also, I'd like to point out that running IPFS on a major cloud provider eliminates some of the point, though not all.
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<TUSF>
<lordcirth__ "Also, I'd like to point out that"> I don't see how, if the node is largely still "mine". In this case the idea is to keep pinned content available 24/7, when my own uptime and bandwidth isn't reliable enough.
<TUSF>
That said, doesn't seem $20/mo would be worth it for just my stuff, hrmmm.
<lordcirth__>
Depends on your use case, if course. If you just want to prevent link rot of non-controversial content, a cloud VM might make sense.
<lordcirth__>
But it's only "yours" until Google decides otherwise, so for security-sensitive use cases, not great.
<lordcirth__>
TUSF, did you want the VM just to have better uptime than your PC, or the greater bandwidth?
<TUSF>
Mostly bandwidth, though that'll probably affect my uptime too.
<TUSF>
Also, I don't think it's a good idea to be hosting ANYTHING security sensitive over IPFS, haha.
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<TUSF>
At least not right now
<lordcirth__>
Ok. Because some of us were tentatively discussing a mutual-pin arrangement to get good uptime.
<lordcirth__>
Well no, not yet.
<TUSF>
In any case, 20USD/mo may be overkill if I just want to host a little web page.
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<TUSF>
Then again, guess I could always use it to dump all of my usual junk onto.
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<graylan[m]>
Djeturn: we have a plan that is 10usd per month. you can also just host things in your basement with an old laptop.
<TUSF>
Of course, I could always host things on my laptop... but as I've recently found, I'm having trouble getting other nodes to get things from my laptop for some reason.
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<graylan[m]>
Djeturn: we have a pool setup in my discord. not on matrix tho, yet.
<TUSF>
Maybe I'll try setting up my old computer and put it some corner to just run a node indefinitely...
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<ar-[m]>
No port needs to be open. Anyway, many people have published this hello-world-text before, so it will be there even without you publishing it. Try a random text for your testing.
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<graylan[m]>
you can see even in the usa some isp's already blocked .torrent downloads, even though that's the best way to download ubuntu or whatever else that is large and has crappy CDN.
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<seba->
graylan[m] yeah it should be random
<seba->
also it's not really NAT friendly
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<agsv>
hi, any guide on hosting a static site (with relative links) on ipfs?
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<lordcirth__>
agsv, I did it with Hugo
<lordcirth__>
agsv, just set relativeurls = true
<agsv>
but then how do you upload?
<agsv>
add -r?
<lordcirth__>
yup
<agsv>
each file on the dist directory is uploaded as /ipfs/<hash> so it points to the wrong place on the gateway
<lordcirth__>
But they are *also* hash/filename
<lordcirth__>
Due to being in a directory
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<lordcirth__>
agsv, like so: /ipfs/QmSHTTVwBgXDobizeCXUfShLMMSxzVAmWShuT6BMQexHNU/
<agsv>
by inspecting the HTML it seems like all hrefs are relative
<agsv>
so the question is how do you host a file like https://ipfs.io/ipfs/<hash>/filename
<lordcirth__>
agsv, add -r does that.
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<lordcirth__>
QmdPtC3T7Kcu9iJg6hYzLBWR5XCDcYMY7HV685E3kH3EcS is a directory object which links filenames to other hashes
<lordcirth__>
Ah, I forgot to add the IPFS port forward on my new router
<lordcirth__>
/ipfs/QmSHTTVwBgXDobizeCXUfShLMMSxzVAmWShuT6BMQexHNU/ should work now
<edin[m]>
doesn't IPFS support UPnP?
<agsv>
edin[m], which implementation
<agsv>
oh wait you responeded to earlier msgs, derp.
<edin[m]>
agsv: go-ipfs
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<epergny>
I was wondering about something... There have been in the past DoS attacks on at least PHP and Java servers by making hashmap degenerate to O(n) lookup time instead of O(log n) so...
<epergny>
Wouldn't an inverse hashing function be able to create non-sensical files creating IPFS issues?
<bmwiedemann>
Hi, I want to report that I used ipfs add --raw-leaves for a 118MB iso file and local access to it was much faster than to the non-raw version. For some reason, fuse is a lot slower than curl though.
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<bmwiedemann>
epergny: they all added random hash seeds to counter it
<epergny>
bmwiedemann: ah interesting, who added that?
<bmwiedemann>
perl, python, ruby
<epergny>
oh yup
<epergny>
bmwiedemann: you're talking about the old DoS attack on server hashmaps right?
<bmwiedemann>
QT
<bmwiedemann>
yes
<epergny>
but here with IPFS there's no concept of a "hidden random seed" that you can add server side right? So isn't this an issue?
<bmwiedemann>
epergny: go or ipfs could do that in purely internal hashes
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<bmwiedemann>
hashes that go out needed to be predictable though
<bmwiedemann>
epergny: you could look at the code for PYTHONHASHSEED, PERL_HASH_SEED and QT_HASH_SEED for how they did it there.
<bmwiedemann>
(those are env vars used to provide fixed values that I need often in my work on reproducible builds)
<epergny>
but atm hashed used locally in IPFS to use in merkle tree / directories path / etc. are just the same hashes as the hashes sent out?
<epergny>
bmwiedemann: ah cool, I love the concept of reproducible builds!
<epergny>
bmwiedemann: I was thinking about content-based-addressing (using hashes), not necessarily IPFS in particular, and was wondering about this "inverse hash function" thing.
<bmwiedemann>
unfortunately, a lot of our compilers and interpreters (including go) do not build reproducibly
<epergny>
not a real concern: just curiosity basically.
<epergny>
bmwiedemann: Go is relatively recent. They should know better! What about Rust? Do you know if the compiler there allows reproducible builds?
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<epergny>
bmwiedemann: I play with Docker quite a lot and even Debian's apt-get ain't deterministic : (
<bmwiedemann>
epergny: rust is better. Especially since llvm7 brought some fixes
<bmwiedemann>
I think, there was 1 open issue left with rust that I need to dig into
<bmwiedemann>
some parallelism-induced non-determinism
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<epergny>
bmwiedemann: do you work on a project in particular which I could read about? Like NixOS or something similar?
<bmwiedemann>
openSUSE :-)
<epergny>
oh cool! I had no idea openSUSE was into determinism! I'm a Linux user since the mid nineties (started with Slackware). I used many distros throughout all these years, including SUSE!
<bmwiedemann>
we cared about reproducible builds a decade ago, because it saves us build power
<epergny>
bmwiedemann: yeah that's a nice property too. I like the "less susceptible to sneak in undetected backdoores" idea : )
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<bmwiedemann>
yep. I looked for backdoors in our binaries and found several bugs that way. but not backdoors
<epergny>
I was thinking about something else... Once you use content-based-addressing, you can then keep a "database" of properties about a file: like other hashes (say the sha256, sha512, blake2b, wahtever) and these become invariants.
<epergny>
bmwiedemann: I saw there was a service to which you could give a link and it'd d/l and compute hashes independantly (than maybe post some "proof of existence" in a blockchain?) and...
<epergny>
bmwiedemann: then you'd know you were less likely to have been MITM'ed
<epergny>
if you have the same cryptographic hash the service got. Forgot its name.
<bmwiedemann>
but they could both get the bad file - e.g. if the server was hacked or the NSA replaced data on the wire
<epergny>
bmwiedemann: ofc, which is why I wrote "less likely to have been MITM'ed" : )
<bmwiedemann>
so it just protects against malicious wireless LANs and such
<bmwiedemann>
IMHO there are more efficient ways
<epergny>
bmwiedemann: it's still interesting. I probably have the link or a screenshot somewhre in my "to sort" stuff ^ ^
<bmwiedemann>
The proof of existence of some data at some time can have other nice benefits though.
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<bmwiedemann>
e.g. for proving copyright of a work
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<bmwiedemann>
gn
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