\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{hapuchu}
\pdfinfo{
  /Title (devops.pdf)
  /Creator (Cheatography)
  /Author (hapuchu)
  /Subject (DevOps Cheat Sheet)
}

% Lengths and widths
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\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{DevOps Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{hapuchu} via \textcolor{DarkBackground}{\uline{cheatography.com/164363/cs/34441/}}}
\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}hapuchu \\
  \uline{cheatography.com/hapuchu} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 1st October, 2022.\\
   Updated 16th January, 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{4.4 cm} x{3.6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{grep}}  \tn
% Row 0
\SetRowColor{LightBackground}
grep -r pattern & find in files \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
grep -i pattern & ignore case \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
grep -o pattern & print file:match \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
grep -h pattern & hide filename \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
grep -e pattern -e str2 & multiples strings \tn 
% Row Count 6 (+ 2)
% Row 5
\SetRowColor{white}
grep -v pattern & complimenting line \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
grep -c pattern & print count \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
grep -n pattern & print \# of matches \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
grep -w pattern & match whole pattern \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.8 cm} x{3.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{find}}  \tn
% Row 0
\SetRowColor{LightBackground}
find path -type f -name file & search only filenames \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
find path -type d -name dir & search only dir names \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
find path -mtime +7 -ls & older than 7 days \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
find path -size -10M -ls & less than 10 MB G/K \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
find path -exec grep -i str \{\} + & find in files \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.48 cm} x{3.52 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{du}}  \tn
% Row 0
\SetRowColor{LightBackground}
du -a dir & all files \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
du -h dir & human \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
du -m dir & in mb \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
du -c dir & sum \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
du -s dir & only sum \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
du -{}-max-depth=1 dir & 1 dir level deep \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{loops}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{seq 5 | xargs -I\{\} cmd} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{for i in \{1..5\};\{\{nl\}\}do\{\{nl\}\}~~~~date;\{\{nl\}\}done} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{for vm in web log db;\{\{nl\}\}do\{\{nl\}\}~~~~uptime;\{\{nl\}\}done} \tn 
% Row Count 5 (+ 2)
\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}{archives and zips}}  \tn
% Row 0
\SetRowColor{LightBackground}
tar cvf f.tar f1 f2 f3 ... & create tar \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
tar xvf f.tar & extract tar \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
tar tvf f.tar & view tar \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
gzip -d filename.gz & extract gzip file \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
zip -r dir-name.zip \textless{}dir\textgreater{} & zip a dir \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
zip -d f.zip fname & delete file from zip \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
unzip -p zipfile.zip fname.txt & cat a file inside a zip file \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.56 cm} x{3.44 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{sed}}  \tn
% Row 0
\SetRowColor{LightBackground}
sed -i'.bak' 's/old/new/g' & replace after backup \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
sed 's/ab/xy/g;s/de/pq/g' & multiple replaces \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
sed '10,20 s/abc/xyz/g' & replace in range \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.4 cm} x{3.6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{awk}}  \tn
% Row 0
\SetRowColor{LightBackground}
awk -F',' '\{print \$1"@"\$3\}' & print col1@col3 \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
awk -F'\textbackslash{}t' '/str/ \{print \$0\}' & print line with str \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
awk -F: '\{print \$(NF-1)\}' & print II col from right \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
awk -F'(,|:|;)' '\{print \}' & multiple separators \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
awk '\$1 == 100 \{print\}' & comparison \textless{}, \textgreater{}, \textless{}=, \textgreater{}= \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
awk 'END \{print NR " \& " NF\}' & print \# of rows and cols \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{awk 'BEGIN \{action\} /pattern/ END \{action\}'}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.4 cm} x{5.6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{stdin stdout}}  \tn
% Row 0
\SetRowColor{LightBackground}
cmd 1\textgreater{}f.out & stdout to f.out \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
cmd 1\textgreater{}f.out & stderr to f.out \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
cmd \&\textgreater{}f.out & stdout and stderr to f.out \tn 
% Row Count 3 (+ 1)
\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}{sort}}  \tn
% Row 0
\SetRowColor{LightBackground}
sort -n & numeric \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
sort -r & reverse \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.12 cm} x{4.88 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{uniq}}  \tn
% Row 0
\SetRowColor{LightBackground}
uniq -c & print count \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
uniq -d & only dups \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
uniq -u & only unique \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
uniq -i & ignore case \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\}ideally uniq should be used after sort}  \tn 
\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}{cut}}  \tn
% Row 0
\SetRowColor{LightBackground}
cut -d ',' -f 1,3,5 & print csv cols 1, 3 and 5 \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
cut -d: -f 1 -{}-compliment & print all cols except 1 \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
cut -f -3 & print cols 1, 2 and 3 \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
cut -f 3- & print cols 3, 4 ... \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.84 cm} x{6.16 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{tr}}  \tn
% Row 0
\SetRowColor{LightBackground}
tr old new & replace old with new \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
tr -s ' ' & replace multiple space with single \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{\{\{ac\}\}typical use: cat something | tr old new}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.4 cm} x{3.6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{curl}}  \tn
% Row 0
\SetRowColor{LightBackground}
curl -o file url & save to file \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
curi -I url & only header \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
curl -k https://url & ignore cert \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
curl -u \textless{}usr:pwd\textgreater{} url & username password \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
curl -w & add timeout \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.92 cm} x{4.08 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{misc 1}}  \tn
% Row 0
\SetRowColor{LightBackground}
top & cpu mem info \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
free -m & mem status \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
lsof & open files \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
netstat & nw traffic \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
dig servername & dns \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
nslookup servername & dns \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
time cmd & exe time \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
watch cmd & auto exe \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
zip -d f.zip fname & delete file from zip \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
umount -l mnt & unmount when free \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
mount -a & mount all \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
ln -s file link & create symlink \tn 
% Row Count 12 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.8 cm} x{5.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{misc 2}}  \tn
% Row 0
\SetRowColor{LightBackground}
| xargs cmd & throws what pipe gave after cmd \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
ps -ef & list processes \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
nc -l 1234 & listen on 1234 \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
nc 127.0.0.1 1234 & send data to 1234 \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
cp -p old new & cp permissions also \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}