\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{shribee (shribee)}
\pdfinfo{
  /Title (linux.pdf)
  /Creator (Cheatography)
  /Author (shribee (shribee))
  /Subject (Linux Cheat Sheet)
}

% Lengths and widths
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\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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% Font and Colours
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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{Linux Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{shribee (shribee)} via \textcolor{DarkBackground}{\uline{cheatography.com/79125/cs/19217/}}}
\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}shribee (shribee) \\
  \uline{cheatography.com/shribee} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 28th March, 2019.\\
   Updated 16th April, 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*}{2}

\begin{tabularx}{8.4cm}{x{4.96 cm} x{3.04 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Useful commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
lsb\_release -a & get current version of os \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
service \textless{}name of service\textgreater{} \seqsplit{start/stop/restart/status} & self explanatory \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Initial configuration}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{sudo apt-get update} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{sudo apt-get install git} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{sudo apt install net-tools} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{sudo apt install vim} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.24 cm} x{3.76 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Setup ssh}}  \tn
% Row 0
\SetRowColor{LightBackground}
sudo apt update & (server) update package repository \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
sudo apt install openssh-server & (server) install ssh \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
sudo systemctl status ssh & (server) check status of service \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
sudo ufw allow ssh & (server) enable firewall \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
sudo systemctl enable ssh & (server) start ssh upon boot \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
ssh-keygen & (client) create key pair \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
ssh-copy-id \seqsplit{username@remote\_host} & (linux) copy public key \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
ssh \textless{}user\textgreater{}@\textless{}ip\textgreater{}\{\{nl\}\} mkdir -p \textasciitilde{}/.ssh \{\{nl\}\}sudo nano \textasciitilde{}/.ssh/authorized\_keys \{\{nl\}\}\textless{}copy content of .pub file\textgreater{} & (windows) copy public key \tn 
% Row Count 20 (+ 6)
% Row 8
\SetRowColor{LightBackground}
sudo chown -R \textless{}user\textgreater{}:\textless{}user\textgreater{} \textasciitilde{}/.ssh/authorized\_keys & set ownership of key file \tn 
% Row Count 23 (+ 3)
% Row 9
\SetRowColor{white}
chmod 700 /home/{\emph{username}}/.ssh \{\{nl\}\}chmod 600 \textasciitilde{}/.ssh/authorized\_keys & (server) set permissions \tn 
% Row Count 27 (+ 4)
% Row 10
\SetRowColor{LightBackground}
ssh \textless{}user\textgreater{}@\textless{}ip\textgreater{} -i \textless{}full path of private key\textgreater{} & (client) connect \tn 
% Row Count 30 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4.24 cm} x{3.76 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Setup ssh (cont)}}  \tn
% Row 11
\SetRowColor{LightBackground}
open C:\textbackslash{}Users\textbackslash{}\textless{}username\textgreater{}\textbackslash{}.ssh\textbackslash{}config\{\{nl\}\}add entry for ip address & (windows) add entry into ssh config \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Setup xRDP}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{sudo apt-get install xfce4} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{sudo apt-get install xrdp} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{sudo systemctl enable xrdp} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{echo xfce4-session \textgreater{}\textasciitilde{}/.xsession} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{sudo service xrdp restart} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{sudo passwd rdpuser} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.24 cm} x{3.76 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Setup redis}}  \tn
% Row 0
\SetRowColor{LightBackground}
sudo apt install redis-server & install \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
sudo nano \seqsplit{/etc/redis/redis.conf} & change to supervised systemd \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{sudo systemctl restart redis.service} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{sudo systemctl enable \seqsplit{/lib/systemd/system/redis-server}.service} \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{History Operations}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textasciitilde{}/.bash\_history & contains history even after reboot \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
!v & run last command that starts with v \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
!\$ & last argument \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
!?etc & last command contains etc \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
history & show command history \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
cd . & change to home dir \tn 
% Row Count 9 (+ 1)
% Row 6
\SetRowColor{LightBackground}
!30 & run command at line number 30 from history \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
ctrl-r & search commands, esc or enter to edit or run \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\{\{nobreak\}\}HISTCONTROL=erasedups & erase duplicate commands from history \tn 
% Row Count 15 (+ 2)
% Row 9
\SetRowColor{white}
history -c + history -w & clear history \tn 
% Row Count 17 (+ 2)
% Row 10
\SetRowColor{LightBackground}
history -r & whenever you last wrote \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Shutdown}}  \tn
% Row 0
\SetRowColor{LightBackground}
shutdown & shutdown \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
reboot & reboot \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
poweroff & same as shutdown \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
halt & same as shutdown \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
init 0 & same as shutdown \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
init 6 & same as shutdown \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
shutdown -r +n "warning" & reboot in n minutes, display warning \tn 
% Row Count 8 (+ 2)
% Row 7
\SetRowColor{white}
shutdown -r now & reboot now \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
shutdown -c & cancel a pending shutdown \tn 
% Row Count 11 (+ 2)
% Row 9
\SetRowColor{white}
shutdown -h & shutdown and then halt \tn 
% Row Count 12 (+ 1)
% Row 10
\SetRowColor{LightBackground}
shutdown hh:mm & shutdown at specified time \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}