\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{Yohan33}
\pdfinfo{
  /Title (refcard-numero-2.pdf)
  /Creator (Cheatography)
  /Author (Yohan33)
  /Subject (Refcard numéro 2 Cheat Sheet)
}

% Lengths and widths
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\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
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\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{Refcard numéro 2 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Yohan33} via \textcolor{DarkBackground}{\uline{cheatography.com/208543/cs/44755/}}}
\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}Yohan33 \\
  \uline{cheatography.com/yohan33} \\
  \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 24th 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{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Configuration ip de serveur}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{/etc/default/isc-dhcp-server} & permet d'accéder au fichier qui change l'adresse ip en ipv4 \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{/etc/dhcp/dhcpd.conf} & edite un fichier qui permet de configuer le subnet \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
systemctl restart isc-dhcp-server & sert à redémarrer le service DHCP \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
systemctl status isc-dhcp-server & vérifie l'état du serveur (running,off,...) \tn 
% Row Count 11 (+ 3)
% Row 4
\SetRowColor{LightBackground}
journalctl -{}-unit \textless{}service\textgreater{} -{}-lines \textless{}N\textgreater{} & stock les logs du service DHCP dans le journal de systemd. Vérifié le contenu à chaque redémarrage \tn 
% Row Count 17 (+ 6)
% Row 5
\SetRowColor{white}
journalctl -{}-unit isc-dhcp-server -{}-follow & vérifie les logs en temps réel \tn 
% Row Count 20 (+ 3)
% Row 6
\SetRowColor{LightBackground}
dhclient -d eth0 & démarre l'interface réseau en mode debug afin d'afficher toutes les étapes de la configuration \tn 
% Row Count 26 (+ 6)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Configuration dynamique}}  \tn
% Row 0
\SetRowColor{LightBackground}
range 192.168.10.100 192.168.10.150 & rajouter dans le fichier dhcpd pour la distribution des adresses ip (premiere à 1) \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
dhclient -r eth0 & indique la libération du bail DHCP si l'adr a été obtenue avec la cmd dhclient \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
ifdown -{}-force eth0 & la même chose mais si l'adr a été obtenue avec la cmd ifup \tn 
% Row Count 11 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.09494 cm} x{3.88206 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Configuration statique}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{ifconfig} -a & permet d'avoir toutes les info sur une machine (dont l'adresse mac) \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Réallocation forcée}}  \tn
% Row 0
\SetRowColor{LightBackground}
systemctl stop isc-dhcp-server & couper le service DHCP \tn 
% Row Count 2 (+ 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}{Attaque du serveur}}  \tn
% Row 0
\SetRowColor{LightBackground}
dhclient -r eth0 & relâcher la configuration réseau du client1 \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
ettercap -Tzq -M dhcp:/255.255.255.0/\textless{}IP DHCP1\textgreater{} & attaque DHCP Spoofing \tn 
% Row Count 6 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}