\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{deRohan}
\pdfinfo{
  /Title (zakladni-konfigurace-ccna.pdf)
  /Creator (Cheatography)
  /Author (deRohan)
  /Subject (Základní konfigurace CCNA 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}{ED0000}
\definecolor{LightBackground}{HTML}{FDEFEF}
\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{Základní konfigurace CCNA Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{deRohan} via \textcolor{DarkBackground}{\uline{cheatography.com/48854/cs/13710/}}}
\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}deRohan \\
  \uline{cheatography.com/derohan} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 29th November, 2017.\\
   Updated 18th October, 2018.\\
   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{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Enable mod}}  \tn
% Row 0
\SetRowColor{LightBackground}
enable & připojení v privilegovaném modu \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
show clock (sh clo) & zobrazí nastavení data a času \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
clock set (clo set) \textless{}hodina\textgreater{} \textless{}minuta\textgreater{} \textless{}vteřina\textgreater{} \textless{}datum\textgreater{} \textless{}měsíc\textgreater{} \textless{}rok\textgreater{} & Nastaví hodiny \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
show run & zobrazí aktuální nastavení routeru \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
write & uloží aktuální konfiguraci do trvalé paměti \tn 
% Row Count 13 (+ 3)
% Row 5
\SetRowColor{white}
erase startup-config & odstraní konfiguraci z trvalé paměti \tn 
% Row Count 15 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.4261 cm} x{9.8439 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Konfigurační terminál}}  \tn
% Row 0
\SetRowColor{LightBackground}
conf t & Připojení do terminálu \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
hostname \textless{}název\textgreater{} & Nastaví/změní název routeru \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
do sh run & zobrazí aktuální nastavení routeru \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
enable password \textless{}heslo\textgreater{} & nastaví heslo pro enable \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
enable secret & nastaví šifrované heslo pro enable \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
ip default-gateway \textless{}ip adresa\textgreater{} & nastaví defaultní gateway zařízení \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{Bez nastavení hesla do privilegovaného modu nelze použít připojení Telnet}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{9.6712 cm} x{7.5988 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Konfigurace portu pro RJ45}}  \tn
% Row 0
\SetRowColor{LightBackground}
interface \textless{}název portu\textgreater{} (int\textless{}název portu\textgreater{}) & připojí do konfigurace portu \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
ip address \textless{}IP adresa\textgreater{} \textless{}maska\textgreater{} & nastaví IP adresu a masku portu \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
no shutdown & zapne port \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
exit & návrat do konfiguračního modu \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{5.0083 cm} x{12.2617 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Konfigurace hesel portů}}  \tn
% Row 0
\SetRowColor{LightBackground}
line con 0 & přepnutí do konfigurace konzolového portu \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
password \textless{}heslo\textgreater{} & nastaví heslo pro příslušný port \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
login & zapne vyžadování hesla \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
line vty 0 4 & přepnutí do konfigurace virtuálního portu \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{Virtuální port slouží por připojení Telnet}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{4.3175 cm} x{12.9525 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Další příkazy}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{ctrl+shift+ž} & ukončení vyhledávání příkazu online \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
exit & přesun do nižší vrstvy konfigurace \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}