\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{loanclb}
\pdfinfo{
  /Title (adressage-routage-ip-and-securite.pdf)
  /Creator (Cheatography)
  /Author (loanclb)
  /Subject (Adressage, routage IP \& Sécurité Cheat Sheet)
}

% Lengths and widths
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\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
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\definecolor{FootBackground}{HTML}{666666}
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\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{Adressage, routage IP \& Sécurité Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{loanclb} via \textcolor{DarkBackground}{\uline{cheatography.com/208540/cs/44697/}}}
\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}loanclb \\
  \uline{cheatography.com/loanclb} \\
  \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 17th October, 2024.\\
   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{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Création et gestion d'utilisateurs}}  \tn
% Row 0
\SetRowColor{LightBackground}
`passwd` {\emph{user}} & Définit le mot de passe de l'utilisateur donné \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`adduser` {\emph{user}} & Permet de créer un utilisateur \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`login` {\emph{user}} & Permet de se connecter à un compte d'utilisateur \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Gestion du système}}  \tn
% Row 0
\SetRowColor{LightBackground}
`hostname` & Affiche le nom de la machine \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`openssl req -new -newkey \textless{}PARAMS\textgreater{} \textless{}FILE\textgreater{}.crt -keyout \textless{}FILE\textgreater{}.key` & Génère le certificat SSL/TLS avec clés \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
`openssl x509 -in \textless{}FILE\textgreater{}.rct -text` & Affiche la paire clé publique/privée agréable visuellement \tn 
% Row Count 10 (+ 4)
% Row 3
\SetRowColor{white}
`systemctl restart \textless{}service\textgreater{}` & Permet de redémarrer un service système ( `systemd`) \tn 
% Row Count 13 (+ 3)
% Row 4
\SetRowColor{LightBackground}
`systemctl status \textless{}service\textgreater{}` & Permet de connaître le statut du service système \tn 
% Row Count 16 (+ 3)
% Row 5
\SetRowColor{white}
`ssh \textless{}login\textgreater{}@\textless{}dest\textgreater{}` & Permet de se connecter via SSH à une machine \tn 
% Row Count 19 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Administration réseau}}  \tn
% Row 0
\SetRowColor{LightBackground}
`ifconfig -a` & Liste les interfaces \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`ifconfig \textless{}iface\textgreater{} @IP netmask \textless{}mask\textgreater{}` & Définit le masque pour l'interface donnée \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
`ifup \textless{}iface\textgreater{}` & Allume l'interface donnée \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
`ifdown \textless{}iface\textgreater{}` & Éteint l'interface donnée \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
`route` -n & Liste toutes les routes \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
`route add default gw \textless{}@IP iface\textgreater{}` & Ajoute l'adresse du gateway par défaut \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
`route del default gw \textless{}@IP iface\textgreater{}` & Supprime l'adresse du gateway par défaut \tn 
% Row Count 15 (+ 3)
% Row 7
\SetRowColor{white}
`traceroute @IP` & Permet de faire un ping, visualisant les adresses et interfaces traversées \tn 
% Row Count 19 (+ 4)
% Row 8
\SetRowColor{LightBackground}
`ping @IP` & Envoie un ping à l'IP donnée \tn 
% Row Count 21 (+ 2)
% Row 9
\SetRowColor{white}
`busybox httpd -f -vv -h \textless{}PATH\_TO\_INDEX\textgreater{}` & Démarre un serveur HTTP local, avec pour racine le chemin donné \tn 
% Row Count 25 (+ 4)
% Row 10
\SetRowColor{LightBackground}
`arp -n` & Permet la consultation des correspondances MAC/IP \tn 
% Row Count 28 (+ 3)
% Row 11
\SetRowColor{white}
`wireshark -i \textless{}iface\textgreater{} -k` & Permet l'espionnage de tous les paquets transmis par l'interface donnée \tn 
% Row Count 32 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Administration réseau (cont)}}  \tn
% Row 12
\SetRowColor{LightBackground}
`hping3 -{}-flood -{}-syn -{}-spoof \textless{}@IP source usurpée\textgreater{} \textless{}@IP victime\textgreater{}` & Permet de arpspoof (surcharge par usurpation de l'interface) \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}