Someone

\documentclass[a4paper,10pt]{scrreprt}
\usepackage[utf8]{inputenc}
\usepackage{pdfpages}
\usepackage{listings}
\usepackage[svgnames,table,hyperref,dvipsone]{xcolor}
\usepackage{url}
\usepackage{german}
\usepackage{tabularx}
\usepackage[T1]{fontenc}
\usepackage[htt]{hyphenat}
\usepackage{graphicx}

%opening
\title{Netzwerkdokumentation}
\author{Jürgen Hoffmann}
\makeindex

\lstset{
        language=bash,
        basicstyle=\sffamily\scriptsize,
        stringstyle={\color{DarkGreen}},
        frame=single,
        frameround=tttt,
        backgroundcolor={\color{LightSkyBlue!30}},
        escapeinside={°}{°}
}

\setlength\extrarowheight{2pt}

\begin{document}
hallo
\end{document}