\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{Watan}
\pdfinfo{
  /Title (linux-terminal-for-tester.pdf)
  /Creator (Cheatography)
  /Author (Watan)
  /Subject (Linux Terminal for tester 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}{1FA310}
\definecolor{LightBackground}{HTML}{F1F9F0}
\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 Terminal for tester Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Watan} via \textcolor{DarkBackground}{\uline{cheatography.com/160123/cs/33704/}}}
\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}Watan \\
  \uline{cheatography.com/watan} \\
  \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 18th August, 2022.\\
   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{0.59501 cm} x{1.73926 cm} x{2.24273 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Reading logs}}  \tn
% Row 0
\SetRowColor{LightBackground}
`\$ tail` & `tail {[}file{]}` & shows the end of file \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & `-n 300 {[}file{]}` & display desired (300) number of rows \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
 & `-f` & display real time file updates \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
{\emph{example}} & `\$ tail -n 300 console.log` & display 300 rows from the bottom \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{} \tn 
% Row Count 8 (+ 0)
% Row 5
\SetRowColor{white}
`\$ head` &  & shows the top of file \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.41887 cm} x{1.87657 cm} x{1.28156 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Integration test}}  \tn
% Row 0
\SetRowColor{LightBackground}
`\$ ping \textless{}host\textgreater{}` &  & service \seqsplit{avialability} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{} \tn 
% Row Count 2 (+ 0)
% Row 2
\SetRowColor{LightBackground}
`\$ telnet \textless{}ip\textgreater{} \textless{}port\textgreater{}` &  & check ports \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{{\emph{example}}} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
 & `telnet \seqsplit{checkip.dyndns.org} 80` &  \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4577 cm} x{2.05965 cm} x{2.05965 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Global search}}  \tn
% Row 0
\SetRowColor{LightBackground}
`\$ grep` & `grep {[}options{]} {[}pattern{]} {[}files{]}` & {\bf{G}}lobally search for a {\bf{RE}}gular expression and {\bf{P}}rint matching lines \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
 & `-i {[}pattern{]} {[}file{]}` & registerless search \tn 
% Row Count 7 (+ 2)
% Row 2
\SetRowColor{LightBackground}
 & `-w {[}pattern{]} {[}file{]}` & full word match \tn 
% Row Count 9 (+ 2)
% Row 3
\SetRowColor{white}
 & `-c {[}pattern{]} {[}file{]}` & check number of matches \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
 & `-r {[}pattern{]} *` & search in subdirectory \tn 
% Row Count 13 (+ 2)
% Row 5
\SetRowColor{white}
 & `-v {[}pattern{]} {[}file{]}` & inversion search \tn 
% Row Count 15 (+ 2)
% Row 6
\SetRowColor{LightBackground}
 & `-n {[}pattern{]} {[}file{]}` & enumerate lines \tn 
% Row Count 17 (+ 2)
% Row 7
\SetRowColor{white}
 & `-l {[}pattern{]} {[}file{]}` & display names \tn 
% Row Count 19 (+ 2)
% Row 8
\SetRowColor{LightBackground}
 & `-e {[}pattern{]} {[}file{]} & several search patterns \tn 
% Row Count 21 (+ 2)
% Row 9
\SetRowColor{white}
{\emph{example}} & `\$ grep -e {[}pattern1{]} -e {[}pattern2{]} -e {[}pattern3{]}...{[}file{]}` &  \tn 
% Row Count 25 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.59501 cm} x{2.15119 cm} x{1.8308 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{DB access}}  \tn
% Row 0
\SetRowColor{LightBackground}
`\$ psql` &  & connect to the DB (utility) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & `-h` & host of DB \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
 & `-U` & user for DB login \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
{\emph{example}} & `\$ psql -h localhost -U \textless{}user\textgreater{}` &  \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.05271 cm} x{1.78503 cm} x{1.73926 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Working with URL}}  \tn
% Row 0
\SetRowColor{LightBackground}
`\$ curl \textless{}option\textgreater{} \textless{}link\textgreater{}` &  & utility to work with URL \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
 & `-o \textless{}file url\textgreater{}` & display page content in the file \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
 & `-O \textless{}file url\textgreater{}` & display page content in the file, with server file name \tn 
% Row Count 10 (+ 4)
% Row 3
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{} \tn 
% Row Count 10 (+ 0)
% Row 4
\SetRowColor{LightBackground}
{\emph{example}} & `\$ curl -O \seqsplit{https://raw.githubusercontent.com/curl/curl/master/README.md`} &  \tn 
% Row Count 15 (+ 5)
% Row 5
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{} \tn 
% Row Count 15 (+ 0)
% Row 6
\SetRowColor{LightBackground}
 & `-d "\textless{}GET parameters\textgreater{}"\textless{}URL\textgreater{}` & perform GET request \tn 
% Row Count 17 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{} \tn 
% Row Count 17 (+ 0)
% Row 8
\SetRowColor{LightBackground}
{\emph{example}} & ` curl -d \seqsplit{"field1=val\&fileld2=val1"http://posttestserver}.com/post.php` &  \tn 
% Row Count 22 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}