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%\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
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% Document Info
\author{TME520 (TME520)}
\pdfinfo{
  /Title (systemd.pdf)
  /Creator (Cheatography)
  /Author (TME520 (TME520))
  /Subject (systemd Cheat Sheet)
}

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% Header and Footer
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{systemd Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{TME520 (TME520)} via \textcolor{DarkBackground}{\uline{cheatography.com/20978/cs/3849/}}}
\end{tabulary}
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\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 8th April, 2015.\\
   Updated 12th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
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  \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{3.8801 cm} x{5.061 cm} x{7.9289 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{17.67cm}}{\bf\textcolor{white}{System state}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Old command}} & {\bf{Systemd command}} & {\bf{Description}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
halt & systemctl halt & Halts the system. \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
poweroff & systemctl poweroff & Powers off the system. \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
reboot & systemctl reboot & Restarts the system. \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{pm-suspend} & systemctl suspend & Suspends the system. \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{pm-hibernate} & systemctl hibernate & Hibernates the system. \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{pm-suspend-hybrid} & systemctl \seqsplit{hybrid-sleep} & Hibernates and suspend the system. \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{4.0488 cm} x{6.4106 cm} x{6.4106 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{17.67cm}}{\bf\textcolor{white}{Services management}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{SysVinit command}} & {\bf{Systemd command}} & {\bf{Notes}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
service httpd start & systemctl start httpd.service & Start a service (not reboot persistent). \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
service httpd stop & systemctl stop httpd.service & Stop a service (not reboot persistent). \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
service httpd restart & systemctl restart httpd.service & Restart a service. \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
service httpd reload & systemctl reload httpd.service & Reloads the configuration files without interrupting pending operations. \tn 
% Row Count 17 (+ 5)
% Row 5
\SetRowColor{white}
service httpd \seqsplit{condrestart} & systemctl condrestart httpd.service & Restarts if the service is already running. \tn 
% Row Count 20 (+ 3)
% Row 6
\SetRowColor{LightBackground}
service httpd status & systemctl status httpd.service & Shows the status of a service. \tn 
% Row Count 23 (+ 3)
% Row 7
\SetRowColor{white}
service -{}-status-all & systemctl list-units -{}-type=service & Displays the status of all services. \tn 
% Row Count 26 (+ 3)
% Row 8
\SetRowColor{LightBackground}
ls \seqsplit{/etc/rc.d/init.d/} & systemctl \seqsplit{list-unit-files} -{}-type=service & List the services that can be started or stopped. \tn 
% Row Count 30 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{4.0488 cm} x{6.4106 cm} x{6.4106 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{17.67cm}}{\bf\textcolor{white}{Services management (cont)}}  \tn
% Row 9
\SetRowColor{LightBackground}
\seqsplit{chkconfig} httpd on & systemctl enable httpd.service & Start service at next boot. \tn 
% Row Count 2 (+ 2)
% Row 10
\SetRowColor{white}
\seqsplit{chkconfig} httpd off & systemctl disable httpd.service & Service won't be started on next boot. \tn 
% Row Count 5 (+ 3)
% Row 11
\SetRowColor{LightBackground}
\seqsplit{chkconfig} httpd & systemctl is-enabled httpd.service & Check if a service is configured to start in the current environment. \tn 
% Row Count 10 (+ 5)
% Row 12
\SetRowColor{white}
\seqsplit{chkconfig} -{}-list & systemctl \seqsplit{list-unit-files} -{}-type=service {\emph{or}} ls \seqsplit{/etc/systemd/system/*}.wants/ & Print a list of services showing which runlevels they are configured for. \tn 
% Row Count 16 (+ 6)
% Row 13
\SetRowColor{LightBackground}
\seqsplit{chkconfig} httpd -{}-list & ls \seqsplit{/etc/systemd/system/*}.wants/httpd.service & Show which runlevels a service is configured for. \tn 
% Row Count 20 (+ 4)
% Row 14
\SetRowColor{white}
\seqsplit{chkconfig} httpd -{}-add & systemctl daemon-reload & Run this command after a change in any configuration file (old or new). \tn 
% Row Count 25 (+ 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}{Investigate}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Command}} & {\bf{Notes}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
systemctl get-default & Determine which target unit is used by default. \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
systemctl set-default multi-user.target & Change default boot target to multi-user.target. \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
journalctl -b & Show all messages from last boot. \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
journalctl -b -p err & Show all messages of priority level {\emph{ERROR}} and more from last boot. \tn 
% Row Count 13 (+ 4)
% Row 5
\SetRowColor{white}
journalctl -p warning -{}-since="2015-07-31 12:34:56" -{}-until="2015-09-19 23:59:59" & View the messages of priority level {\emph{WARNING}} or more from a certain date and time. \tn 
% Row Count 18 (+ 5)
% Row 6
\SetRowColor{LightBackground}
journalctl -f & Follow new messages {\emph{a la}} tail -f. \tn 
% Row Count 20 (+ 2)
% Row 7
\SetRowColor{white}
journalctl -u SERVICE & Show logs for SERVICE. \tn 
% Row Count 22 (+ 2)
% Row 8
\SetRowColor{LightBackground}
journalctl /usr/sbin/httpd & Show all messages related to a specific executable. \tn 
% Row Count 25 (+ 3)
% Row 9
\SetRowColor{white}
journalctl -{}-full & Display all messages without truncating any. \tn 
% Row Count 28 (+ 3)
% Row 10
\SetRowColor{LightBackground}
systemctl -{}-state=failed & Display the services that failed to start. \tn 
% Row Count 31 (+ 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}{Investigate (cont)}}  \tn
% Row 11
\SetRowColor{LightBackground}
systemctl list-units -{}-type=target & Show current runlevel. \tn 
% Row Count 2 (+ 2)
% Row 12
\SetRowColor{white}
systemctl isolate graphical.target & Change the current runlevel (target). \tn 
% Row Count 4 (+ 2)
% Row 13
\SetRowColor{LightBackground}
systemctl rescue/emergency & Switch to Rescue (single user)/Emergency mode. \tn 
% Row Count 7 (+ 3)
% Row 14
\SetRowColor{white}
systemctl kill SERVICE.service & Gently kill SERVICE ({\emph{SIGTERM}}, 15). \tn 
% Row Count 9 (+ 2)
% Row 15
\SetRowColor{LightBackground}
systemd-cgls & Show the full systemd control group ({\emph{cgroup}}) hierarchy as a tree. \tn 
% Row Count 13 (+ 4)
% Row 16
\SetRowColor{white}
systemctl show -p "Wants" multi-user.target & Find out what other units does a unit depend on. \tn 
% Row Count 16 (+ 3)
% Row 17
\SetRowColor{LightBackground}
systemctl list-jobs & Show jobs. \tn 
% Row Count 17 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{3.5427 cm} x{6.5793 cm} x{6.748 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{17.67cm}}{\bf\textcolor{white}{Runlevels}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{SysVinit runlevel}} & {\bf{Systemd target}} & {\bf{Notes}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
0 & \seqsplit{runlevel0.target}, \seqsplit{poweroff.target} & Halt the system. \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
1, s, single & \seqsplit{runlevel1.target}, rescue.target & Single user mode. \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
2, 4 & \seqsplit{runlevel2.target}, \seqsplit{runlevel4.target}, \seqsplit{multi-user.target} & User-defined runlevels (identical to 3). \tn 
% Row Count 13 (+ 4)
% Row 4
\SetRowColor{LightBackground}
3 & \seqsplit{runlevel3.target}, \seqsplit{multi-user.target} & Multi-user, non-graphical. \tn 
% Row Count 16 (+ 3)
% Row 5
\SetRowColor{white}
5 & \seqsplit{runlevel5.target}, \seqsplit{graphical.target} & Multi-user, graphical. \tn 
% Row Count 19 (+ 3)
% Row 6
\SetRowColor{LightBackground}
6 & \seqsplit{runlevel6.target}, reboot.target & Rebbot. \tn 
% Row Count 22 (+ 3)
% Row 7
\SetRowColor{white}
\seqsplit{emergency} & \seqsplit{emergency.target} & Emergency shell. \tn 
% Row Count 24 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}