\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{TME520 (TME520)}
\pdfinfo{
  /Title (top-30-linux-shell-tricks.pdf)
  /Creator (Cheatography)
  /Author (TME520 (TME520))
  /Subject (Top 30 linux shell tricks 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}{17A32E}
\definecolor{LightBackground}{HTML}{F0F9F1}
\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{Top 30 linux shell tricks Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{TME520 (TME520)} via \textcolor{DarkBackground}{\uline{cheatography.com/20978/cs/17483/}}}
\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}TME520 (TME520) \\
  \uline{cheatography.com/tme520} \\
        \uline{\seqsplit{tme520}.com}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 17th October, 2018.\\
   Updated 1st December, 2018.\\
   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{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Top 30}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Run the last command as root}} & `sudo !!` \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Serve current directory tree at http://\$HOSTNAME:8000/}} & `python -m SimpleHTTPServer` \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Runs previous command but replacing}} & `echo "Hello Morld"` \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
 & `\textasciicircum{}Morld\textasciicircum{}World` \tn 
% Row Count 11 (+ 1)
% Row 4
\SetRowColor{LightBackground}
 & `echo "Hello World"` \tn 
% Row Count 12 (+ 1)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Rapidly invoke an editor to write a long command}} & `{[}ctrl+x e{]}` \tn 
% Row Count 16 (+ 4)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Place the argument of the most recent command on the shell}} & `'ALT+.' or '\textless{}ESC\textgreater{} .'` \tn 
% Row Count 20 (+ 4)
% Row 7
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Salvage a borked terminal}} & `reset` \tn 
% Row Count 22 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{List currently mounted filesystems in nice layout}} & `mount | column -t` \tn 
% Row Count 26 (+ 4)
% Row 9
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Get your external IP address}} & `curl ifconfig.me` \tn 
% Row Count 29 (+ 3)
% Row 10
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Execute a command at a given time}} & ` echo "ls -l" | at midnight` \tn 
% Row Count 32 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Top 30 (cont)}}  \tn
% Row 11
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Output your microphone to a remote computer's speaker}} & `dd if=/dev/dsp | ssh -c arcfour -C username@host dd of=/dev/dsp` \tn 
% Row Count 4 (+ 4)
% Row 12
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Type partial command, check something, resume typing}} & `vi /etc/ssh/ {[}ctrl+u{]}` \tn 
% Row Count 8 (+ 4)
% Row 13
\SetRowColor{LightBackground}
 & `ls -lisa /etc/ssh/` \tn 
% Row Count 9 (+ 1)
% Row 14
\SetRowColor{white}
 & `{[}ctrl+y{]} vi \seqsplit{/etc/ssh/ssh\_config`} \tn 
% Row Count 11 (+ 2)
% Row 15
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Mount folder/filesystem through SSH}} & `sshfs \seqsplit{name@server:/path/to/folder} \seqsplit{/path/to/mount/point`} \tn 
% Row Count 14 (+ 3)
% Row 16
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Mount a temporary ram partition}} & `mount -t tmpfs tmpfs /mnt -o size=1024m` \tn 
% Row Count 17 (+ 3)
% Row 17
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Download an entire website}} & `wget -{}-random-wait -r -p -e robots=off -U mozilla \seqsplit{http://www.example.com`} \tn 
% Row Count 21 (+ 4)
% Row 18
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Clear the terminal screen}} & `{[}ctrl+l{]}` \tn 
% Row Count 23 (+ 2)
% Row 19
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Compare a remote file with a local file}} & `ssh user@host cat /path/to/remotefile | diff /path/to/localfile -` \tn 
% Row Count 27 (+ 4)
% Row 20
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Update twitter via curl}} & `curl -u user:pass -d status="Tweeting from the shell" \seqsplit{http://twitter.com/statuses/update.xml`} \tn 
% Row Count 32 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Top 30 (cont)}}  \tn
% Row 21
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{SSH connection through host in the middle}} & `ssh -t reachable\_host ssh unreachable\_host` \tn 
% Row Count 3 (+ 3)
% Row 22
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Close shell keeping all subprocess running}} & `disown -a \&\& exit` \tn 
% Row Count 6 (+ 3)
% Row 23
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Make 'less' behave like 'tail -f'}} & `less +F somelogfile` \tn 
% Row Count 9 (+ 3)
% Row 24
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Put a console clock in top right corner}} & `while sleep 1;do tput sc;tput cup 0 \$((\$(tput \seqsplit{cols)-29));date;tput} rc;done \&` \tn 
% Row Count 13 (+ 4)
% Row 25
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Shutdown a Windows machine from Linux}} & `net rpc shutdown -I \seqsplit{ipAddressOfWindowsPC} -U username\%password` \tn 
% Row Count 17 (+ 4)
% Row 26
\SetRowColor{white}
\{\{nobreak\}\}{\bf{List of commands you use most often}} & `history | awk '\{a{[}\$2{]}++\}END\{for(i in a)\{print a{[}i{]} " " i\}\}' | sort -rn | head` \tn 
% Row Count 21 (+ 4)
% Row 27
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{32 bits or 64 bits?}} & `getconf LONG\_BIT` \tn 
% Row Count 23 (+ 2)
% Row 28
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Set audible alarm when an IP address comes online}} & `ping -i 60 -a IP\_address` \tn 
% Row Count 27 (+ 4)
% Row 29
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Reboot machine when everything is hanging}} & `\textless{}alt\textgreater{} + \textless{}print screen/sys rq\textgreater{} + \textless{}R\textgreater{} - \textless{}S\textgreater{} - \textless{}E\textgreater{} - \textless{}I\textgreater{} - \textless{}U\textgreater{} - \textless{}B\textgreater{}` \tn 
% Row Count 31 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Top 30 (cont)}}  \tn
% Row 30
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Simulate typing}} & ` echo "You can simulate on-screen typing just like in the movies" | pv -qL 10` \tn 
% Row Count 4 (+ 4)
% Row 31
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Quickly rename a file}} & `mv filename.\{old,new\}` \tn 
% Row Count 6 (+ 2)
% Row 32
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Escape any command aliases}} & `\textbackslash{}{[}command{]}` \tn 
% Row Count 9 (+ 3)
% Row 33
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Delete all files in a folder that don't match a certain file extension}} & `rm !({\emph{.foo|}}.bar|*.baz)` \tn 
% Row Count 14 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Bonus: Tricks of the ancient UNIX masters}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Reuse all parameter of the previous command line}} & `!*` \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Sharing file through http 80 port}} & `nc -v -l 80 \textless{} file.ext` \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Display a block of text with AWK}} & `awk '/start\_pattern/,/stop\_pattern/' file.txt` \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Kills a process that is locking a file}} & `fuser -k filename` \tn 
% Row Count 13 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{Display all current terminal settings}} & `stty -a` \tn 
% Row Count 16 (+ 3)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}{\bf{Type a string, hit {[}ctrl+d{]} and see the ASCII codes}} & `od -cx` \tn 
% Row Count 20 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}