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    Cloudron on a Raspberry pi?

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    • girish
      girish Staff last edited by

      @malvim Cloudron doesn't really use any of the packages like linux-kernel, initramfs etc directly. I think it's just added there for completeness. Feel free to remove them.

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        malvim @girish last edited by

        @girish great! I was already commenting out these lines to see where it went.

        So it seems I'm losing name resolution after installing unbound. Installation of resolvconf is not a problem, but as soon as I install unbound, lots of names stop resolving and I can't install anything anymore.

        Not sure how unbound works, might have to go into it a bit more, but my guess is maybe the problem is inside my provider. I'll check with @will later to see if we can try it in his device, and see if the problem persists.

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        • M
          malvim last edited by malvim

          Just to keep you guys updated on what's going on: I commented out unbound just to go through (and probably have to come back to it later, but still).

          I also switched to installing nginx from the repos instead of downloading a specific package with curl manually, as their version is arm64 and it seems the rpi I'm on is armhf, which I know nothing about but some nginx-arm64 dependencies were not being met.

          I switched node to the armv7l package and it went ok.

          I switched docker packages to armhf, they intalled okay, but it seems I don't have the overlay kernel module loaded and have NO IDEA how to load it heheh. A few google searches still got me kinda stuck, I'll try again tomorrow.

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          • M
            malvim last edited by

            Alright, so I learned how to load kernel modules, and the problem now is that the / partition in this particular provider is over nfs, and overlay is not supported.

            So, as this is not a problem with cloudron on a rasberry pi, and is particular to this provider, I'm thinking of trying to change the docker driver tomorrow, just to see how far I can get to...

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            • M
              malvim last edited by

              Hey, yall.

              So my Raspberry Pi finally arrived, and I could start testing cloudron on it without the hassles I was having with the hosting company. So here are some thoughts and the current bump on the road I'm trying to overcome:

              • I was able to install cloudron pretty easily with just a few changes to the cloudron-setup script itself, and to initBaseImage.sh and installer.sh inside the cloudron package that is downloaded from the internet by cloudron-setup
              • The changes in cloudron-setup were just not upgrading the kernel (not installing linux-generic, like I talked to @girish about earlier in this thread), and not downloading the cloudron package from the website, instead using my modified version so I coud change things and test.
              • The changes inside the package were pretty much just changing amd64/x64 strings to arm64 in all the downloaded packages
              • Another important change is the boot part, where cloudron changes grub files, and I had to switch things to the /boot/firmware files
              • I was able to keep unbound untouched, I guess it was a problem with the hosting company

              So that was what I had to do, and here are the things I'm currently thinking about this:

              • It would be good to have the current architecture in a variable, say arch, but there's a few questions to answer, like:
                • The rpi I was using in the hosting company was not arm64 architecture, but armhf, I think. If there's different architectures for different models, we'd have to test it on others. I currently own an arm64 rpi 4 model B.
                • Some downloaded packages use x64 instead of amd64 in their names, and stuff like armv7l for armhf architecture, it seems. We'd have to map these package names to their architectures in a more explicit way, I think.
              • We'd have to extract the boot configuration (grub vs /boot/firmware confs) somewhere

              I'm now facing ANOTHER problem, which is: it seems my ISP doesn't allow me to forward low ports like 80 and 443, so I can't really host cloudron from inside my home at the moment. I'm starting another thread asking for ideas with that, but I can't test cloudron apart from the installation process (which went smoothly all the way to the domain setup, but then I can't access it because of port forwarding restrictions).

              So there it is, this is were I'm at currently regarding installing cloudron on an rpi, I'd greatly appreciate any input, thoughts, ideas, whatever you guys have.

              Cheers!

              yusf robi 2 Replies Last reply Reply Quote 4
              • girish
                girish Staff last edited by

                That's fantastic news 👏 I replied here about the port forwarding - https://forum.cloudron.io/topic/3324/testing-from-home-without-nat-port-forwarding-capability

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                • yusf
                  yusf @malvim last edited by

                  Stellar effort getting this far, @malvim! It’s sounds quite promising.

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                  • robi
                    robi @malvim last edited by

                    @malvim arm64 is only available on the rPi 4 as far as I recall.
                    armhf is for the previous models as they are 32bit ARM chips.

                    It would be cool if both were supported and autodetected, but you should be aware of the arch differences between the different models.

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                      malvim @robi last edited by malvim

                      @robi Yeah, I don't know much about the different architectures, and at present I don't have access to any earlier armhf model, so I'll keep pushing with what I have for now. Maybe if we can suport the arm64 rPi 4 to start, some modifications (like explicitly handling architecture information, different boot locations and whatnot) will help us deliver cloudron to other models more easily.

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                      • M
                        malvim last edited by

                        Just keeping everything relating to the rpi setup in this thread:

                        So I finished setting up, went to https://<ip> like cloudron-setup says, and started domain setup. As per the other thread, I set up my IP to the interface I'm using (wlan0). I'm using Amazon AWS as a domain provider, and set up the keys and such.

                        So cloudron was able to create the DNS records (using a subdomain, like pi.mydomain.com, which should - and does - create an A record my.pi.mydomain.com pointing to my 192.168 internal IP).

                        Afterwards, though, cloudron is never able to check for the records, as I cannot seem to resolve the my.pi domain from inside the pi.

                        Other stuff that happens:

                        • sudo always says sudo: unable to resolve host ubuntu, even though it does change user to root no problem; ubuntu is the default hostname on a bare ubuntu 18.04 install on the pi;
                        • I can dig other domains that are already hosted on my zone, and get corret responses. dig- ing for the my.pi domain either times out with a "no server could be reached" message, or, when I do it RIGHT AFTER a successful dig to other domain, returns an "empty" response (with a line indicating 0 answers, like this: ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1)

                        I'm a bit over my skill level on this, so if anyone could chime in, id'd be greatly appreciated. Either with an idea on what might be going on, or maybe something I could do/check/run to get mor info on what might be going on.

                        Thanks!

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                        • nebulon
                          nebulon Staff last edited by

                          @malvim said in Cloudron on a Raspberry pi?:

                          sudo: unable to resolve host ubuntu

                          This is expected and has nothing to do with arm. To get over that you have to setup the hostname correctly. In your case the hostname is still set to the default ubuntu whereas following your example it has to be my.pi.mydomain.com

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                            malvim @nebulon last edited by

                            @nebulon huh, that makes sense, but I thought this was supposed to be done by cloudron during setup? I don’t remember having to manually set the hostname in any other cloudron setup before, but I might just have forgotten...

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                            • girish
                              girish Staff last edited by

                              It looks like the blocking issue is the DNS does not work? Does host my.pi.mydomain.com and host my.pi.mydomain.com 127.0.0.1 work on the pi?

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                              • jamesgallagher
                                jamesgallagher last edited by

                                If there's nothing private in it; could you post your /etc/hosts file?

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                                • M
                                  malvim last edited by

                                  Yup, so I'm testing it again from scratch.

                                  @jamesgallagher, here's the entire contents of my /etc/hosts right after running cloudron-setup, but before setting up the domain in the browser:

                                  127.0.0.1 localhost

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

                                  @girish, the record is already there with the previous IP, and right now I'm just after cloudron-setup, but before setupdns.html on the browser. I've ran a bunch of commands, here are the results:

                                  • host my.pi.<mydomain.com> - not found
                                  • host my.pi.<mydomain.com> 127.0.0.1 - not found
                                  • host www.google.com 127.0.0.1 - ok (huh, unbound seems to be somewhat working)
                                  • host code.<mydomain.com> 127.0.0.1 (gitea instance on production cloudron) - OK!
                                  • host my.<mydomain.com> 127.0.0.1 (production cloudron admin) - NOT FOUND! (wat?)

                                  And I ran host my.pi.<mydomain.com> on my local machine, outside the pi, and it works and returns the old record (192.168.0.109 from my previous attempt).

                                  I'm now setting up DNS in the browser, just to check what happens, I'll re-run the commands and post here.

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                                  • M
                                    malvim @malvim last edited by malvim

                                    This post is deleted!
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                                    • M
                                      malvim last edited by

                                      Okay, so some weird stuff seems to be going on with the DNS lookup thing, I think. Here's what happened after running cloudron domain setup (setupdns.html on the browser):

                                      I ran it pointing to a subdomain of my domain (pi.<mydomain.com>), and pinted it to a network interface (wlan0, in this pi's case), as @girish suggested. So I'm tailing /home/yellowtent/platformdata/logs/box.log, and here's what I see:

                                      2020-10-07T23:43:30.489Z box:dns/waitfordns waitForDns (try 20): my.pi.<mydomain.com> to be 192.168.0.6 in zone <mydomain.com>
2020-10-07T23:43:30.497Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has A record at 205.251.196.70
2020-10-07T23:43:30.498Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has A record at 205.251.199.85
2020-10-07T23:43:30.500Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has A record at 205.251.192.234
2020-10-07T23:43:30.501Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has A record at 205.251.195.139
2020-10-07T23:43:35.499Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has CNAME record at 205.251.196.70
2020-10-07T23:43:35.501Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has CNAME record at 205.251.199.85
2020-10-07T23:43:35.503Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has CNAME record at 205.251.192.234
2020-10-07T23:43:35.504Z box:dns/waitfordns resolveIp: Checking if my.pi.<mydomain.com> has CNAME record at 205.251.195.139
2020-10-07T23:43:35.516Z box:dns/waitfordns isChangeSynced: NS ns-1094.awsdns-08.org (205.251.196.70) errored when resolve my.pi.<mydomain.com> (A): Error: queryCname ENODATA my.pi.<mydomain.com>
2020-10-07T23:43:35.516Z box:dns/waitfordns waitForDns: my.pi.<mydomain.com> not done ns: ["ns-1094.awsdns-08.org","ns-1877.awsdns-42.co.uk","ns-234.awsdns-29.com","ns-907.awsdns-49.net"]
2020-10-07T23:43:35.525Z box:dns/waitfordns isChangeSynced: NS ns-1877.awsdns-42.co.uk (205.251.199.85) errored when resolve my.pi.<mydomain.com> (A): Error: queryCname ENODATA my.pi.<mydomain.com>
2020-10-07T23:43:35.629Z box:dns/waitfordns isChangeSynced: NS ns-234.awsdns-29.com (205.251.192.234) errored when resolve my.pi.<mydomain.com> (A): Error: queryCname ENODATA my.pi.<mydomain.com>
2020-10-07T23:43:35.635Z box:dns/waitfordns isChangeSynced: NS ns-907.awsdns-49.net (205.251.195.139) errored when resolve my.pi.<mydomain.com> (A): Error: queryCname ENODATA my.pi.<mydomain.com>

                                      So I go to my LOCAL machine to check the records:

                                      $ host my.pi.<mydomain.com>
my.pi.<mydomain.com> has address 192.168.0.6

$ host my.pi.<mydomain.com> ns-1094.awsdns-08.org
Using domain server:
Name: ns-1094.awsdns-08.org
Address: 2600:9000:5304:4600::1#53
Aliases: 

my.pi.<mydomain.com> has address 192.168.0.6

$ host ns-1094.awsdns-08.org
ns-1094.awsdns-08.org has address 205.251.196.70
ns-1094.awsdns-08.org has IPv6 address 2600:9000:5304:4600::1

$ host my.pi.<mydomain.com> 205.251.196.70
;; connection timed out; no servers could be reached

                                      So it seems when I look up the records using Amazon's DNS server IP's instead of their names, I can't look them up! EVEN ON MY LOCAL MACHINE! I have no idea what might be going on. Then, going back to the pi:

                                      $ host my.pi.<mydomain.com> ns-1094.awsdns-08.org
Using domain server:
Name: ns-1094.awsdns-08.org
Address: 2600:9000:5304:4600::1#53
Aliases: 

my.pi.<mydomain.com> has address 192.168.0.6

$ host my.pi.<mydomain.com>  205.251.196.70
;; connection timed out; no servers could be reached
$ host my.pi.<mydomain.com> 127.0.0.1
;; connection timed out; no servers could be reached
$ host my.pi.<mydomain.com> localhost
;; connection timed out; no servers could be reached

                                      So... Yeah, this is where I'm at right now. Totally at a loss hahah! NO IDEA what might possibly be going on now...

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                                      • girish
                                        girish Staff last edited by

                                        @malvim Check the unbound logs maybe? I think in journalctl -u unbound

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                                        • M
                                          malvim @girish last edited by

                                          @girish meh, I can't see anything wrong

                                          Oct 08 03:53:12 ubuntu systemd[1]: Started Unbound DNS Resolver.
Oct 08 03:53:12 ubuntu unbound[29715]: [29715:0] notice: init module 0: subnet
Oct 08 03:53:12 ubuntu unbound[29715]: [29715:0] notice: init module 1: validator
Oct 08 03:53:12 ubuntu unbound[29715]: [29715:0] notice: init module 2: iterator
Oct 08 03:53:12 ubuntu unbound[29715]: [29715:0] info: start of service (unbound 1.6.7).
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info: service stopped (unbound 1.6.7).
Oct 08 03:54:49 ubuntu systemd[1]: Stopping Unbound DNS Resolver...
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info: server stats for thread 0: 35 queries, 1 answers from cache, 34 recursions, 0 prefetch, 0 rejected by ip ratelimiting
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info: server stats for thread 0: requestlist max 18 avg 10.6765 exceeded 0 jostled 0
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info: average recursion processing time 12.169607 sec
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info: histogram of recursion processing times
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info: [25%]=0.371371 median[50%]=1.375 [75%]=25.3333
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info: lower(secs) upper(secs) recursions
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info:    0.131072    0.262144 3
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info:    0.262144    0.524288 3
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info:    0.524288    1.000000 1
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info:    1.000000    2.000000 4
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info:   16.000000   32.000000 3
Oct 08 03:54:49 ubuntu systemd[1]: Stopped Unbound DNS Resolver.
Oct 08 03:54:49 ubuntu unbound[29715]: [29715:0] info:   32.000000   64.000000 3
-- Reboot --
Oct 08 03:54:55 ubuntu systemd[1]: Started Unbound DNS Resolver.
Oct 08 03:54:56 ubuntu unbound[2090]: [2090:0] notice: init module 0: subnet
Oct 08 03:54:56 ubuntu unbound[2090]: [2090:0] notice: init module 1: validator
Oct 08 03:54:56 ubuntu unbound[2090]: [2090:0] notice: init module 2: iterator
Oct 08 03:54:56 ubuntu unbound[2090]: [2090:0] info: start of service (unbound 1.6.7).

                                          I disabled ipv6 on boot just to be sure, but I see nothing. completely at a loss here.

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                                          • M
                                            malvim last edited by

                                            I'd love to test it on another network, but can't really go anywhere else right now... 😕

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