\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{Christian Knell (christian.knell)} \pdfinfo{ /Title (ubuntu.pdf) /Creator (Cheatography) /Author (Christian Knell (christian.knell)) /Subject (Ubuntu Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{C30D00} \definecolor{LightBackground}{HTML}{FBEFEF} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Ubuntu Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Christian Knell (christian.knell)} via \textcolor{DarkBackground}{\uline{cheatography.com/89637/cs/20402/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}Christian Knell (christian.knell) \\ \uline{cheatography.com/christian-knell} \\ \uline{\seqsplit{blog}.knell.it} \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 13th October, 2019.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{tabularx}{17.67cm}{x{8.2896 cm} x{8.9804 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Network}} \tn % Row 0 \SetRowColor{LightBackground} `ifconfig` & outdated, use ip addr show \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} `ip addr show` & State of all interfaces \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} `ip addr show INTERFACE` & State of a specific interface \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} `ip link set INTERFACE up` & activates a specific interface \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} `ip link set INTERFACE down` & deactivates a specific interface \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} `netstat` & lists all active sockets \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} \{\{ar\}\} `-n` & numerical display of addresses and ports \tn % Row Count 14 (+ 2) % Row 7 \SetRowColor{white} \{\{ar\}\} `-a` & list all types of sockets \tn % Row Count 16 (+ 2) % Row 8 \SetRowColor{LightBackground} \{\{ar\}\} `-l` & list only open sockets (LISTEN) \tn % Row Count 18 (+ 2) % Row 9 \SetRowColor{white} \{\{ar\}\} `-t` & show only tcp sockets \tn % Row Count 20 (+ 2) % Row 10 \SetRowColor{LightBackground} \{\{ar\}\} `-u` & show only udp sockets \tn % Row Count 22 (+ 2) % Row 11 \SetRowColor{white} \{\{ar\}\} `-p` & show process id and process name \tn % Row Count 24 (+ 2) % Row 12 \SetRowColor{LightBackground} \{\{ar\}\} `-e` & show extended information \tn % Row Count 26 (+ 2) % Row 13 \SetRowColor{white} `netstat -tulpen | grep -v 127.0.0.1` & show reachable ports for other users over the internet \tn % Row Count 29 (+ 3) % Row 14 \SetRowColor{LightBackground} `netstat -tulpen | grep :PORT` & filter the list by a specific PORT \tn % Row Count 31 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{17.67cm}}{Folgende Regeln übernehmen: \newline https://www.cyberciti.biz/faq/howto-iptables-show-nat-rules/} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{x{6.5626 cm} x{10.7074 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{grep}} \tn % Row 0 \SetRowColor{LightBackground} `command | grep TEXT` & searches for TEXT \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} `command | grep -i TEXT` & searches for TEXT ignoring upper and lower case \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \end{document}