An alternative is to set the DOCKER_CLI_EXPERIMENTAL=enabled environment variable. To enable it, “experimental”: “enabled” can be added to the CLI configuration file ~/.docker/config.json. Unfortunately, Docker Desktop is only available for Mac OS and Windows, not for Ubuntu… But it can be enabled :īuildx comes bundled with Docker CE starting with 19.03, but requires experimental mode to be enabled on the Docker CLI. It is possible to build images for several architectures with Docker Desktop, which is bundled with OS-dependent hypervisors and LinuxKit, which can run binaries of any supported architectures. Docker would probably work since it mainly needs the kernel but that might mean running applications only as Docker containers, which is sometimes a lot of work… low on resources written in neat, effective C able to run on your Raspberry Pi or OpenWRT router extensibility jabberd server is modular and very easy to extend with your own modules distributed you may run multiple instances of jabberd component processes to distribute load across machines XMPP Extension Protocol. This is risky as it may not be stable and many applications / libraries may not work yet. I would have to build my own images, which sometimes can become cumbersome because of build dependencies not compiled for the host OS (Raspbian). As I understand this means running armhf/ arm32v7 images : this does not solve my problem because those images are not widely seen on the net. There are two alternatives I can think of : would the effort to get a full 64 bits OS be worth it on the RPi ?.what is the level of compatibility of this 64 bits flavor ?.You will need to add arm_64bit=1 to config.txt because the firmware prefers the 32-bit build.Ī 64-bit userland is not currently planned. It hasn’t made its way into the Raspbian kernel package yet, but you can install using sudo rpi-update. Recent kernel releases include a trial 64-bit build. Therefore I assume this is because the BMC2835 driver is used, with armhf kernel supporting only for armv71.įortunately it seems that recent versions can be tweaked to enable 64 bits support : When running cat /proc/cpuinfo on a RPi 4 you get armv71 and BCM2835, where you should get armv8 and BCM2711, according to the specs. Raspberry Pi 3 and 4 have a 64 bits CPU (ARM v8) but there is no official OS with 64 bits support.įor instance the default Raspbian flavor is based on Debian armhf, which has a 32 bits kernel enhanced with Hardware Floating point (‘hf’ in ‘armhf’) support. : images balena.io (ex resin.io), surtout des images de base ? Raspberry Pi 3 & 4 CPU architecture The first step is to create a new ansible playbook for this project (as long as you don’t have one yet).Standard_init_linux.go:211: exec user process caused "exec format error" I’ll show you how to use it in this blog post, but we won’t go into details about ansible. My ansible role is publicly available on my GitLab instance. On 9th January, I gave a talk about this at the XMPP Meetup. It’s a free and open-source Linux-based system that works with various devices, including laptops. Recently I also did some real abstraction, so now only some config options would need to be changed to get the -server. The Raspberry Pi OS (previously referred to as Raspbian) is a Debian-based operating system. Later I based on the ansible playbook for moving my own server. The result was nice, but still very server specific. Because we didn’t want to do all the setup multiple times (and researching everything after forgetting everything), I came up with the idea of using ansible to automate everything. Besides the internal server we also set up the domain (youth organization chat) to be opened for free registration later. It was already clear that we’ll first test the XMPP server on a small (Hetzner) cloud server and later move it to a larger one as the project grows. Then, in July I got a small job to install an XMPP server for the DBJR (Deutscher Bundesjugendring). I also imported the database from a friend of mine, who hosted his server ( ) on a Raspberry Pi before. I read the ejabberd documentation in detail to enable all useful features and to get the nearly perfect server config. As you would expect I did that completely manually, so first running apt get install ejabberd, then editing the config file and so on. In April last year I setup the kaidan.im XMPP server with ejabberd.
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