\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{Corentin BARDIN (azertytr)}
\pdfinfo{
  /Title (linux-lpi-essential.pdf)
  /Creator (Cheatography)
  /Author (Corentin BARDIN (azertytr))
  /Subject (Linux LPI Essential Cheat Sheet)
}

% Lengths and widths
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\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}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\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{Linux LPI Essential Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Corentin BARDIN (azertytr)} via \textcolor{DarkBackground}{\uline{cheatography.com/147534/cs/36956/}}}
\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}Corentin BARDIN (azertytr) \\
  \uline{cheatography.com/azertytr} \\
        \uline{\seqsplit{www}.bardin.consulting}
  \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 22nd August, 2023.\\
   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{2.04057 cm} x{2.93643 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Paquet et installation}}  \tn
% Row 0
\SetRowColor{LightBackground}
Distribution based on Debian & dpkg, apt-get, apt pour les paquets {\bf{DEB}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Distribution based on RedHat & rpm, yum, dnf pour les paquets {\bf{RPM}} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 4 (+ 0)
% Row 3
\SetRowColor{white}
{\bf{DEB}} : apt-cache & search "nom\_paquet" : pour trouver si le paquet est installé \tn 
% Row Count 7 (+ 3)
% Row 4
\SetRowColor{LightBackground}
{\bf{RPM}} : yum & search "nom\_paquet" : pour trouver si le paquet est installé \tn 
% Row Count 10 (+ 3)
% Row 5
\SetRowColor{white}
 & install "nom\_paquet" : pour installer un paquet \tn 
% Row Count 13 (+ 3)
% Row 6
\SetRowColor{LightBackground}
 & remove "nom\_paquet" : pour désinstaller un paquet \tn 
% Row Count 16 (+ 3)
% Row 7
\SetRowColor{white}
{\bf{DEB}} apt & install "nom\_paquet" : pour installer un paquet \tn 
% Row Count 19 (+ 3)
% Row 8
\SetRowColor{LightBackground}
 & remove "nom\_paquet" : pour désinstaller un paquet \tn 
% Row Count 22 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.09848 cm} x{1.14425 cm} x{2.33427 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Les pages d'aides}}  \tn
% Row 0
\SetRowColor{LightBackground}
aide \seqsplit{intégrée} & {[}commande{]} {\bf{-help}} &  \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
les pages de manuel & {\bf{man}} {[}commande{]} & elles se présentent tel que : \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
 & {\bf{Section}} & {\bf{Description}} \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
 & NAME & Nom de la commande et brève description \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
 & SYNOPSIS & Description de la syntaxe de la commande \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
 & \seqsplit{DESCRIPTION} & Description des effets de la commande \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
 & OPTIONS & Options disponibles \tn 
% Row Count 14 (+ 1)
% Row 7
\SetRowColor{white}
 & ARGUMENTS & Arguments disponibles \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Structure de la ligne de commande}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{les lignes de commande ont la structure suivante :  \newline  \newline commande {[}option(s)/parametre(s)...{]} {[}argument(s)...{]} \newline  \newline exemple : {\bf{{\emph{ls -a /home}}}} : commande = {\bf{ls}} ; option = {\bf{-a}} ; argument = {\bf{/home}}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Les variables}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{syntaxte pour l'écriture des variables : {\bf{variable=valeur}} /!\textbackslash{} Ne mettez pas d'espace avant ou après l'opérateur = \newline  \newline exemple : {\bf{salutation=bonjour}} : {\bf{salutation}} = variable ; {\bf{bonjour}} = valeur}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Les variables d'environnement}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{\$PATH}} est un variable d'environnement très importante : elle sert a utiliser une commande sans avoir à l'appeler depuis le dossier où elle est installé \newline  \newline Pour incrémenter la variable {\bf{\$PATH}} la syntaxe est : \seqsplit{PATH=\$PATH:new\_directory}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}