\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{Kamil (Kamil)}
\pdfinfo{
  /Title (shell-utilities-and-sytem-management.pdf)
  /Creator (Cheatography)
  /Author (Kamil (Kamil))
  /Subject (Shell utilities \& sytem management 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}{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{Shell utilities \& sytem management Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Kamil (Kamil)} via \textcolor{DarkBackground}{\uline{cheatography.com/134004/cs/27722/}}}
\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}Kamil (Kamil) \\
  \uline{cheatography.com/kamil} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 20th July, 2021.\\
   Updated 20th December, 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*}{2}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{ssh}}  \tn
% Row 0
\SetRowColor{LightBackground}
`sshfs {[}USER@HOST{]}:{[}remote\_directory{]} mountpoint {[}options{]}` & mount remote drive in `mountpoint` \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`ssh -o \seqsplit{ServerAliveInterval=X} -o \seqsplit{ServerAliveCountMax=Y} {[}HOST{]}` & Maintaing ssh conection for` X` seconds and `Y` tries \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
`ssh-copy-id -i \textasciitilde{}/.ssh/id\_rsa {[}USER@HOST{]}` & add autentication via ssh, not `.pub` file \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
`autossh -N -f -L localhost:{[}PORTU{]}:localhost:{[}PORTR{]} {[}USER@HOST{]}` & map local port `PORTU` to `PORTR` on USER@HOST with autoreconnect \tn 
% Row Count 14 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{operations on files \& drives}}  \tn
% Row 0
\SetRowColor{LightBackground}
`cp -r \$(\textless{}file\_listed.txt) outdir` & copies files \& directories listed in `file\_listed.txt` to `outdir` \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
`xargs -a file\_listed.txt cp -r -t outdir` & same as above \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
`tar -(v)czf file.tar.gz /path/to\_compres` & create `-cf` archive `-xf` for extract \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
`unzip file.zip -d file` & unzip `file.zip` to file directory (must exists before) \tn 
% Row Count 13 (+ 3)
% Row 4
\SetRowColor{LightBackground}
`mkdir -p dir` & make parent directories as needed, no error \tn 
% Row Count 16 (+ 3)
% Row 5
\SetRowColor{white}
`rm -r !(*.ext)` & delete everything except files with extension `.ext` \tn 
% Row Count 19 (+ 3)
% Row 6
\SetRowColor{LightBackground}
`du -hs dir` & check size of dir use `-h` for GB or `-m` for MB \tn 
% Row Count 22 (+ 3)
% Row 7
\SetRowColor{white}
`basename path/basename.ext .ext` & get `basename` from `path` without `ext` \tn 
% Row Count 24 (+ 2)
% Row 8
\SetRowColor{LightBackground}
`grep -i -r -E \seqsplit{'pattern1|pattern2|pattern3'`} & multiple patterns with `grep` `-i` case insensitive `-r` recursive \tn 
% Row Count 28 (+ 4)
% Row 9
\SetRowColor{white}
`find PATH -(i)name "pattern" -type d/f` & list  `f` files or `d` directories with matching `pattern` in specified `PATH` \tn 
% Row Count 32 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Statements}}  \tn
% Row 0
\SetRowColor{LightBackground}
`while read line; do {[}Command{]} done \textless{} input.file ` & Loop over file content \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
`for file in ./*.extention; do {[}Command{]} done` & loop over files in directory \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
`if test -f file.txt; then {[}Command{]} fi` & check if file exists `-f` , `-d`  for directory \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
`if {[}-f file.txt{]}; then {[}Command{]} fi` & same different syntax \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
`if {[} -z "\$S1" {]}; then fi` & checks if arg  `\$1` is empty \tn 
% Row Count 13 (+ 2)
% Row 5
\SetRowColor{white}
`function function\_name \{ \textless{}commands\textgreater{} \}` & function declaration, `\$1` `\$2` - argument names \tn 
% Row Count 16 (+ 3)
% Row 6
\SetRowColor{LightBackground}
`"\$?"` & return exit status from last command \tn 
% Row Count 18 (+ 2)
% Row 7
\SetRowColor{white}
`\$(expr)` & evaluate `expr` and store/print it's result \tn 
% Row Count 21 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{system}}  \tn
% Row 0
\SetRowColor{LightBackground}
`cat /proc/cpuinfo \#or lscpu` & cpu informations \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`uname -a` & OS informations \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
`ss -tpln` & show forwarded ports \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
`lsblk -S` & list block devices `-S` for minimal view \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
`dd \seqsplit{if=/path/to/image.iso} of=/drive/location bs=4M \&\& sync` & create bootable drive from `image.iso` \tn 
% Row Count 10 (+ 4)
% Row 5
\SetRowColor{white}
`sudo mount {[}drive{]} {[}mountpoint{]}` & mounts `drive` at `mountpoint` \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
`kill -9 \$(pgrep -f {[}pattern{]})` & terminate all processes matching `pattern` \tn 
% Row Count 15 (+ 3)
% Row 7
\SetRowColor{white}
`printenv` & print all env variables \tn 
% Row Count 17 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.76 cm} x{4.24 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{git}}  \tn
% Row 0
\SetRowColor{LightBackground}
`git rm -r -{}-cached \textless{}path/file.ext\textgreater{}` & remove untracked files \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`git clean -d -(n/f)` & remove undone changes add: `-n` to show files to remove or `-f` to remove them \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
`git fetch -{}-all {[}branch\_name{]}` & copies all changes from last pull/clone on current branch or given `branch name` \tn 
% Row Count 10 (+ 4)
% Row 3
\SetRowColor{white}
`git log -{}-not -{}-remotes` & all commits on all branches that aren't pushed yet \tn 
% Row Count 13 (+ 3)
% Row 4
\SetRowColor{LightBackground}
`git checkout -b \textless{}new\_branch\textgreater{}` & change \& create new branch \tn 
% Row Count 15 (+ 2)
% Row 5
\SetRowColor{white}
`git switch -c \textless{}new\_branch\textgreater{}` & same as above \tn 
% Row Count 17 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}