Author: Daniel

Good to know – ssh

Create keys: ssh-keygen -t ed25519 \ -a 420 -f ~/.ssh/demo.ed25519 \ – C “Kommentar zum Key” Copy public key to server: ssh-copy-id \ -i ~/.ssh/ \ user@server Add private key to ssh-agent: # ssh-agent eval `ssh-agent -s` ssh-add ~/.ssh/demo.ed25519 ssh-add -l Autostart ssh agent: # ~/.config/systemd/user/ssh-agent.service [Unit] Description=SSH key agent [Service] Type=simple Environment=SSH_AUTH_SOCK=%t/ssh-agent.socket ExecStart=/usr/bin/ssh-agent -D -a $SSH_AUTH_SOCK [Install]

netctl to networkd and iwd

Information: Migration: Wofi: Main configuration is in: /etc/iwd/main.conf Network-Configuration is stored in: /var/lib/iwd Commands – iwctl: device list device wlan0 set-property Powered on station wlan0 scan station wlan0 get-networks station wlan0 connect SSID station wlan0 show station wlan0 disconnect known-networks list known-networks SSID forget


Ranger: ranger User Guide Wiki: Color-Scheme: Plugin mount Plugin – Archives Tutorial Bookmarks: “Type m to bookmark the current directory. You can re-enter this directory by typing `. can be any letter or digit. Unlike vim, both lowercase and uppercase bookmarks are persistent.” (man ranger) Cheatsheets: Video 1: Video 2: Commands: g =...


Themes: Qogir-Light: Dark: Nordic, dracula Change: lxappearance Workaround: Alternative:

Qemu & KVM

General: Higher Resolution: The Windows 10 QXL driver is called “QXL-WDDM-DOD”: TPM2: Commands: virsh list –all Resource:

Conway’s Law – From TDD to DDD

Conway’s Law: “Any organization that designs a system (defined broadly) will produce a design whose structure is a copy of the organization’s communication structure.” (wikipedia) “Test Driven Development” (TDD) is a crucial cornerstone if the organization wants to realize CI/CD and be truly “agile”. See this post about TDD for more… However reality looks different: At the 2022 DSAG “Technologietage”...

T480 Dock and Linux – Compatibility reddit Thinkpad Wiki Reddit – Thinkpad Docks

Eclipse & ADT on Arch

SAP Download Site: Eclipse Download: Blog: Lightweight installation Information on arch: Book: ABAPgit: ABAP-quick-fix: DSAG ADT Leitfaden My setup: – Don’t use the provided AUR-packages, instead just extract the tar.gz – Plugin-installation as usual – Config: 1) .desktop file in home-dir/.local/share/applications/eclipse.desktop [Desktop Entry] Type=Application Version=1.0 Name=Eclipse Comment=Eclipse ADT Path=/usr/local/opt/eclipse Exec=eclipse Icon=/usr/local/opt/eclipse/icon.xpm Terminal=false Categories=Development 2)...

The Universe of SAP Business Technology Platform in a Nutshell

Shamelessly promoting my – still very valid – blog-post of SAP BTP: SAP – BTP, RAP, CAP, CDS, WTF… For further details there is an highly recommended ongoing weekly webcast-series: “The Universe of SAP Business Technology Platform in a Nutshell”.

Good to know – HTTP Protocol

When tinkering with OData, as well as SAC i’m reminded of the good-old-days of web-development, POST and GET requests, AJAX and service workers: What sounds like a toilet cleaner and a waiter in the restaurant, actually it’s all about the early days of asynchronous web-development and webapps. – Time to have closer look at the prime father of the world...