\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{pavan07}
\pdfinfo{
  /Title (linux-ubuntu.pdf)
  /Creator (Cheatography)
  /Author (pavan07)
  /Subject (Linux-Ubuntu 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}{4D4D4D}
\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-Ubuntu Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{pavan07} via \textcolor{DarkBackground}{\uline{cheatography.com/183723/cs/38255/}}}
\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}pavan07 \\
  \uline{cheatography.com/pavan07} \\
  \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 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*}{3}

\begin{tabularx}{5.377cm}{p{0.64701 cm} x{4.32999 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{File Management Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
ls & List files and directories \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
cd & Change directory \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
mkdir & Make directory \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
touch & Create a new empty file \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
cp & Copy a file or directory \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
mv & Move or rename a file or directory \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
rm & Remove a file or directory \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
chmod & Change file permissions \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
chown & Change file ownership \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.84609 cm} x{4.13091 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{System Information Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
uname & Print system information \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{hostname} & Print the name of the current host system \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
top & Show system processes and resource usage \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
free & Show system memory usage \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
df & Show disk usage \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
du & Show disk usage of specific files or directories \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{whoami} & who are you logged in as \tn 
% Row Count 10 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.94563 cm} x{4.03137 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{User Management Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{adduser} & Add a new user account \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{deluser} & Remove a user account \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
passwd & Change a user's password \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{usermod} & Modify a user's account information \tn 
% Row Count 5 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{groupadd} & Add a new user group \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{groupdel} & Remove a user group \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
su & Switch user to become another user \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{vim}}  \tn
% Row 0
\SetRowColor{LightBackground}
i & Used to enter insert mode, where text can be inserted \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
:wq & Used to save changes and quit Vim \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
:q & Used to quit Vim \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
:q! & Used to force quit Vim without saving changes \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
gg & Used to jump to the beginning of the file \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
G & Used to jump to the end of the file \tn 
% Row Count 9 (+ 1)
\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}{SSH}}  \tn
% Row 0
\SetRowColor{LightBackground}
ssh & Used to connect to a remote server using SSH \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{ssh-keygen} & Used to generate public and private SSH keys for authentication purposes \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{ssh-copy-id} & Used to copy SSH keys to a remote server for passwordless authentication \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
ssh-add & Used to add a private key to the SSH authentication agent \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{ssh-agent} & Used to manage the SSH authentication agent \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.9954 cm} x{3.9816 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Network}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{ifconfig} & Used to configure and display network interface information \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
ip & A more modern and flexible tool for managing network interfaces, routes, and tunnels \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
ping & Used to test network connectivity and latency by sending packets to a remote host \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
netstat & Used to display active network connections, routing tables, and network statistics \tn 
% Row Count 11 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{traceroute} & Used to display the route packets take to reach a remote host \tn 
% Row Count 13 (+ 2)
% Row 5
\SetRowColor{white}
dig & Used to perform DNS queries and display DNS information \tn 
% Row Count 15 (+ 2)
% Row 6
\SetRowColor{LightBackground}
tcpdump & Used to capture and analyze network traffic \tn 
% Row Count 17 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.94563 cm} x{4.03137 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Package Management Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{apt-get} & Install, remove, and update packages \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{apt-cache} & Search and display package information \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}