forked from ungleich-public/cdist
import speech from cosin
Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
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Nico Schottelius
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doc/speeches/2011-05-20_cosin.tex
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doc/speeches/2011-05-20_cosin.tex
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% first presentation about cmtp
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\pdfminorversion=4
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%\documentclass[ucs]{beamer}
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\documentclass{beamer}
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%\documentclass[utf8]{beamer}
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\usepackage[utf8]{inputenc}
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\usepackage{german}
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\usepackage{graphicx}
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\usepackage{beamerthemesplit}
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\setbeamercovered{dynamic}
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\usetheme{Malmoe}
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\usecolortheme{crane}
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\title{cdist - nutzbare Konfigurationsverwaltung}
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\subtitle{Cosin 2011}
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\author{Nico -telmich- Schottelius}
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\date{25. Juni 2011}
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\begin{document}
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\frame{\titlepage}
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%\section[Outline]{}
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\frame{\tableofcontents}
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\section{Einleitung}
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\frame
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{
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\frametitle{Was ist das Problem?}
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\begin{itemize}
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\item Einmal konfigurieren = toll
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\item Zweimal konfigurieren = naja, ...
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\item Neue Sachen machen mehr Spass als alte wiederholen
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\item Viele Rechner = viel Mühe?
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\end{itemize}
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}
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\frame
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{
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\frametitle{Das ist nicht neu...}
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\begin{itemize}
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\item cfengine
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\item Puppet
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\item bcfg2
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\item chef
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\item ...
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\end{itemize}
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}
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\frame
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{
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\frametitle{Warum cdist?}
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\begin{itemize}
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\item Klein
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\item Unix
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\item Leicht zu bedienen
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\item ... zu erweitern
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\item Shell
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\item Weil es Spaß macht!
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\end{itemize}
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}
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\section{Installieren}
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\frame
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{
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\frametitle{Vorraussetzungen}
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\begin{itemize}
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\item sshd
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\item root login via sshd
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\item Besser: ssh-pubkey konfiguriert (PermitRootLogin without-password)
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\item git
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\item Asciidoc für dia manpages
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\end{itemize}
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}
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\frame
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{
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\frametitle{Installation}
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\begin{center}
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git clone git://git.schottelius.org/cdist
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\end{center}
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}
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\begin{frame}[fragile]
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\frametitle{Erstellen der Manpages}
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\begin{verbatim}
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# Braucht asciidoc / a2x
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./build.sh man
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\end{verbatim}
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\end{frame}
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\section{Nutzen}
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\begin{frame}[fragile]
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\frametitle{Vorbereitung PATH und MANPATH}
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\begin{verbatim}
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cd cdist
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eval `./bin/cdist-env`
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echo $PATH
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echo $MANPATH
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\end{verbatim}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Nun los}
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\begin{verbatim}
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# Fangen wir bei uns an
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cdist-deploy-to localhost
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\end{verbatim}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Der Einstiegspunkt}
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\begin{small}
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\begin{verbatim}
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cat << eof > conf/manifest/init
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__file /etc/cdist-configured
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case "$__target_host" in
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localhost)
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__link /tmp/cdist-testfile \
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--source /etc/cdist-configured \
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--type symbolic
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__addifnosuchline /tmp/cdist-welcome \
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--line "Welcome to cdist"
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;;
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esac
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eof
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# Muss ausführbar sein
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chmod u+x conf/manifest/init
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\end{verbatim}
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\end{small}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Nun los}
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\begin{verbatim}
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# Nun läuft es!
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cdist-deploy-to localhost
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\end{verbatim}
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\end{frame}
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\frame
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{
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\frametitle{Funktionalität zusammenfassen}
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\begin{itemize}[<+->]
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\item "`Typen"' (types)
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\item conf/type/*
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\item \_\_ vor jedem Namen (Shell-Umgebung)
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\item z.B. Netzseite, Mailserver, Wiki, ...
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\end{itemize}
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}
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\begin{frame}[fragile]
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\frametitle{Ein neuer Typ}
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\begin{small}
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\begin{verbatim}
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% mkdir conf/type/__my_mailserver
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% cat << eof > conf/type/__my_mailserver/manifest
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# Dieser Typ konfiguriert meinen Mailserver
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require="__package/nullmailer" \
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__file /etc/nullmailer/remotes \
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--source "$__type/files/remotes"
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# Reihenfolge spielt keine Rolle
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__package nullmailer --state installed
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eof
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\end{verbatim}
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\end{small}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Ein neuer Typ (2)}
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\begin{small}
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\begin{verbatim}
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# Wichtig: Wird ausgeführt
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% chmod u+x conf/type/__my_mailserver/manifest
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# Darf nur einmal verwendet werden pro Rechner
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% touch conf/type/__my_mailserver/singleton
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# Nullmailer Konfiguration
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% mkdir conf/type/__my_mailserver/files
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% echo my.fancy.smart.host > \
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conf/type/__my_mailserver/files/remotes
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\end{verbatim}
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\end{small}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Neuen Typ nutzen}
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\begin{small}
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\begin{verbatim}
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% $EDITOR conf/manifest/init
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case "$__target_host" in
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localhost)
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...
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__my_mailserver
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...
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;;
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\end{verbatim}
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\end{small}
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\end{frame}
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\section{Aktualisieren}
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\begin{frame}[fragile]
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\frametitle{Versionen}
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\begin{itemize}[<+->]
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\item x.y: Stabile Version
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\item master: Entwicklung
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\end{itemize}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Stabile Version auswählen}
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\begin{center}
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git checkout -b 1.7 origin/1.7
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\end{center}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Aktualisieren}
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\begin{center}
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git pull
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\end{center}
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\end{frame}
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\frame
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{
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\frametitle{Ende}
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\begin{block}{Das war's}
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Viel Spaß - Mehr Infos gibt's auf http://www.nico.schottelius.org/software/cdist/\\
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und http://l.schottelius.org/pipermail/cdist
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\end{block}
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}
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\end{document}
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