Install Crystal on Docker: how to add the Crystal repository to Docker in the Dockerfile
Dockerfile (excerpt) ENV APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=DontWarn RUN apt-get update && apt-get install -y \ software-properties-common \ build-essential \ libevent-dev \ libssl-dev \ libxml2-dev \ libyaml-dev \ libgmp-dev \ libreadline-dev \ apt-transport-https \ iputils-ping \ git \ aptitude \ nano \ openssh-server \ && apt-key adv –keyserver keys.gnupg.net –recv-keys 09617FD37CC06B54 \ && add-apt-repository ‘deb https://dist.crystal-lang.org/apt crystal…
WeiterlesenAlpine boot process on the Raspberry Pi
Today we will have a look at the Alpine Linux boot process on a Raspberry Pi in some detail. The picture shows the contents of a “virgin” SD card with the Alpine image, which has not been booted yet. This picture shows the contents of the boot folder. Initial boot Stages on the Raspberry Pi…
WeiterlesenPiDoctor, a free online tool to check Raspberry Pi computers
PiDoctor is a free online tool to check Raspberry Pi computers and display the information in an clear way to users. PiDoctor is part of picockpit.com, a growing collection of tools to support Raspberry Pi single board computer users. Leipzig, January 10, 2019 – pi3g e.K., an approved Reseller of Raspberry Pi computers for Germany,…
Weiterlesennlplug-findfs documentation
nlplugfs-findfs usage: %s [options] DEVICE options: -a OUTFILE add paths to found apkovls to OUTFILE -b OUTFILE add found boot repositories to OUTFILE -c CRYPTDEVICE run cryptsetup luksOpen when CRYPTDEVICE is found -h show this help -H HEADERDEVICE use HEADERDEVICE as the LUKS header -k CRYPTKEY path to keyfile -m CRYPTNAME use CRYPTNAME name for…
WeiterlesenOfficeTabLoader.Dll Initialization error 4
I’ve bought and installed OfficeTabLoader, as I work A LOT with office documents – don’t know why I didn’t come up with the idea to optimize this before! Anyways, right out of the box I get this Initialization error 4 from OfficeTabLoader.Dll. It turns out that my Antivirus Software (Bitdefender) is the problem: This works…
WeiterlesenCrystal libevent-2.0.so.5: cannot open shared object file
Today I upgraded my Ubuntu to 18.04. Compiling a file with Crystal gives me the following error: stderr: /root/.cache/crystal/usr-share-crystal-src-ecr-process.cr/macro_run: error while loading shared libraries: libevent-2.0.so.5: cannot open shared object file: No such file or directory The library in question, libevent-2.0.so.5 has been superseded by libevent-2.1.so.6 => /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6 Crystal is of course aware of this…
WeiterlesenIntroducing PiCockpit and PiDoctor – how to test your Raspberry Pi and get information about it
We strive to make the Raspberry Pi even easier to use for everyone. Introducing PiCockpit To this end today we are introducing our new platform PiCockpit. PiCockpit will be extended over time with useful tools for Raspberry Pi users and administrators. We start out with two tools to help the Raspberry Pi community: PiDoctor –…
WeiterlesenInterview with Simon Long of Raspberry Pi about the Raspberry Pi Desktop, UI design, and much more!
Important background information: this interview was done in early July 2018, so some applications to which Simon refers might already be released, etc. Max: This is the interview with Simon Long of the Raspberry Pi Foundation who is mainly responsible for Raspbian the desktop OS. Simon: That’s right. Max: Many applications like VeraCrypt release binaries…
WeiterlesenCrystal & Alpine on the Raspberry Pi
Bringing together two interesting technologies: Alpine Linux – a small-size and security oriented Linux distribution Crystal – a compiled language with a nice syntax (similar to Ruby) on the Raspberry Pi (armhf / ARMv6, which would also support the Pi Zero W) is not possible currently, as of 21.12.2018. There is no (at least no…
WeiterlesenCrystal: crystal language Duplicate trail found
max@morpheus:~/crystal/taxgod$ crystal run src/taxgod.cr Unhandled exception: Duplicate trail found ‘vat-correction’ (Radix::Tree::DuplicateError) from lib/radix/src/radix/tree.cr:0:11 in ‘add’ from lib/radix/src/radix/tree.cr:149:11 in ‘add’ from lib/radix/src/radix/tree.cr:149:11 in ‘add’ from lib/radix/src/radix/tree.cr:108:9 in ‘add’ from lib/kemal/src/kemal/route_handler.cr:49:7 in ‘add_to_radix_tree’ from lib/kemal/src/kemal/route_handler.cr:21:7 in ‘add_route’ from lib/kemal/src/kemal/dsl.cr:12:1 in ‘post’ from src/vatcorrection.cr:26:2 in ‘__crystal_main’ from /usr/share/crystal/src/crystal/main.cr:97:5 in ‘main_user_code’ from /usr/share/crystal/src/crystal/main.cr:86:7 in ‘main’ from /usr/share/crystal/src/crystal/main.cr:106:3 in ‘main’…
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