\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
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\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{Slobodan Lohja (slohja)}
\pdfinfo{
  /Title (k3s-lab.pdf)
  /Creator (Cheatography)
  /Author (Slobodan Lohja (slohja))
  /Subject (k3s lab Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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\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{k3s lab Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Slobodan Lohja (slohja)} via \textcolor{DarkBackground}{\uline{cheatography.com/76200/cs/46629/}}}
\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}Slobodan Lohja (slohja) \\
  \uline{cheatography.com/slohja} \\
        \uline{\seqsplit{www}.linkedin.com/in/slobodanlohja/}
  \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 20th June, 2025.\\
   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}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Installation Raspberry Pi Ubuntu Server 64-bit}}  \tn
% Row 0
\SetRowColor{LightBackground}
1. install control plane/master & controller1\$: curl -sfL https://get.k3s.io | INSTALL\_K3S\_EXEC="-{}-tls-san 192.168.1.10 -{}-node-taint \seqsplit{CriticalAddonsOnly=true:NoExecute"} sh - \tn 
% Row Count 7 (+ 7)
% Row 1
\SetRowColor{white}
2. generate a k3s token & controller1\$: sudo cat \seqsplit{/var/lib/rancher/k3s/server/node-token} \textgreater{} node-token.txt \tn 
% Row Count 11 (+ 4)
% Row 2
\SetRowColor{LightBackground}
3. ssh into worker{[}x{]} copy token & worker1\$: scp \seqsplit{ubuntu@192.168.1.10:/home/ubuntu/node-token.txt} /tmp/node-token.txt \tn 
% Row Count 16 (+ 5)
% Row 3
\SetRowColor{white}
4. install worker and join controller & worker1\$: curl -sfL https://get.k3s.io | \textbackslash{}   \seqsplit{K3S\_URL=https://192}.168.1.7:6443 \textbackslash{}   K3S\_TOKEN=\$(cat \seqsplit{/tmp/node-token.txt)} \textbackslash{}   sh - \tn 
% Row Count 23 (+ 7)
% Row 4
\SetRowColor{LightBackground}
5. check node installed and in 'Ready' state & controller\$: kubectl get nodes \tn 
% Row Count 26 (+ 3)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Repeat Step 3 for every worker} \tn 
% Row Count 27 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.23965 cm} x{2.73735 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Change IP Address of K3S nodes}}  \tn
% Row 0
\SetRowColor{LightBackground}
Remove any containers in the node & controller1\$: kubectl drain worker1 -{}-ignore-daemonsets -{}-delete-emptydir-data \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
Remove the node from controller & controller1\$: kubectl delete node worker1 \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Stop the worker k3s & worker1\$: sudo systemctl stop k3s-agent \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
cleanup & worker\$: sudo rm -rf /etc/rancher /var/lib/rancher \tn 
% Row Count 11 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Regular Install steps} \tn 
% Row Count 12 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.74655 cm} x{4.23045 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Add on Additional Control Plane / Master}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Install} & curl -sfL https://get.k3s.io | \textbackslash{}   \seqsplit{INSTALL\_K3S\_EXEC="server} \textbackslash{}   -{}-server \seqsplit{https://192.168.1.10:6443} \textbackslash{}   -{}-token \textless{}token\textgreater{} \textbackslash{}   -{}-tls-san 192.168.1.11 \textbackslash{}   -{}-node-taint \seqsplit{CriticalAddonsOnly=true:NoExecute} \textbackslash{}   -{}-cluster-init=false" \textbackslash{}   sh - \tn 
% Row Count 7 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}