Monthly Archive: July 2022

VSCode devcontainer (part 1)

Coding SAP is Eclipse based ADT, it’s Business Application Studio and.. oh sure it’s VSCode. I’m playing around with CDS, UI5 and CAP. But – and this is important – i don’t want to pollute my system with strange dependencies like npm (see here). But there is a solution for that.. – using devcontainers in VSCode. What is a Devcontainer?...

invalid or corrupted package (PGP signature)

Problem: On arch-update via pacman the following error occurs: Error: rubberband: signature from “David Runge ” is marginal trust :: File /var/cache/pacman/pkg/rubberband-3.0.0-2-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: failed to commit transaction (invalid or corrupted package) Errors occurred, no packages were upgraded. -> error installing repo packages Steps taken:...

The history of…

IT: Fresh and Felicia – The History Of Computers, Programming, and Coding: A Not Boring Introduction Mark Rendle (DevCon 2016) – Keynote session: The History of Programming SAP: The Origin of SAP: The Perfect First Customer (SAP celebrate 50 years) History of ABAP – R/2 -> R/3 Unix: AT&T Archives – The UNIX Operating System History of Gnu, Linux, Free...

Docker – Good to know

I don’t run docker containers locally, but on a docker VM on a remote server. Management is done through Portainer.io which adds a nice GUI to Docker and Kubernetes. However sometimes, the CLI is still the place to be: Useful commands: docker run –rm -it = run/pull image docker ps = list all active containers docker attach = attach to...

Lighttpd on arch

lighttpd, PHP, MariaDB https://wiki.ubuntuusers.de/lighttpd/ https://redmine.lighttpd.net/projects/lighttpd/wiki/TutorialConfiguration Installation pacman -S lighttpd pacman -S php php-cgi mariadb mariadb-clients mariadb-install-db –user=mysql –basedir=/usr –datadir=/var/lib/mysql Infos: Two accounts: root@localhost, mysql@localhost To start mysqld at boot time you have to copy support-files/mysql.server to the right place for your system You can start the MariaDB daemon with: cd ‘/usr’ ; /usr/bin/mysqld_safe –datadir=’/var/lib/mysql’ You can test the MariaDB daemon...