
        %\usepackage{helvet}
        \usepackage[default]{sourcesanspro}
        %\renewcommand{\familydefault}{\sfdefault}
        \usepackage{charter}
        %\usepackage[defaultsans]{lato}
        
        % a less weird monospace font:
        \IfFileExists{inconsolata.sty}{
            \usepackage{inconsolata}
            % TODO Urgent: --foo is written WRONGLY in inconsolata, cf
            % https://markov.htwsaar.de/tex-archive/fonts/inconsolata/doc/inconsolata-doc.pdf
            %\setmonofont[HyphenChar=None]{Inconsolatazi4}
        }
        
        % ignore all unicode errors
        \makeatletter
        \def\UTFviii@undefined@err#1{$\bigcirc$} % replacement was ??UPS??, now is $\bigcirc$
        \makeatother

    


        \usepackage{pdfpages}
        \usepackage[nolink]{qrcode} % nolink - otherwise the QR code is blue
        
        \definecolor{anabridgreen}{cmyk}{0.2745, 0, 0.3922, 0}
        \definecolor{anabridblue}{HTML}{2B307B}
        \definecolor{anabridviolet}{HTML}{b805c1} % vivid violet
        \definecolor{anabridbush}{HTML}{5b1aae}   % daisy bush
        \definecolor{anabridlemon}{HTML}{fcff5a}  % laser lemon
        \definecolor{grey}{HTML}{AAAAAA}
    

Hardware Description (= Resource Description, = Hardware Configuration)

The single cluster system reduced to its system matrix.
The entries shown are for a Lorenz system.

The single cluster as a closed-loop feedback circuit (turbine diagram).

Overview about the REDAC-internal services vs. the services operated by anabrid.
Click to enlarge.

Graph of the logical (internal) Ethernet of REDAC. See main text for explanation.

X2Go session initialization screenshot, showing the configuration options.

Graphical XFCE session running on the REDAC login server, showing a web browser
and a terminal.

Interconnection matrix with implicit summing capabilities (Note: in
fact this figure shows a arch_cluster).

hardware description (= resource description, = hardware configuration)