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42
slides.tex
42
slides.tex
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@ -14,10 +14,10 @@
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\section{Introduction}
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\section{Introduction}
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\begin{frame}{What is an init system?}
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\begin{frame}{What is an init system?}
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An init system is the first process (PID 1) started in a Unix like system. It handles:
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An init system is the first userspace process (PID 1) started in a UNIX-like system. It handles:
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\begin{itemize}
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\begin{itemize}
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\item Starting system processes and services to prepare environment
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\item Starting system processes and services to prepare the environment
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\item Adopting and ``reaping'' orphaned processes
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\item Adopting and ``reaping'' orphaned processes
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\end{itemize}
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\end{itemize}
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\end{frame}
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\end{frame}
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\begin{frame}{Systemd - the basics}
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\begin{frame}{Systemd - the basics}
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\begin{itemize}
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\begin{itemize}
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\item No scripts are executed, only declarative units
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\item No scripts are executed, only declarative units
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\item Units have explicit dependencies
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\item Units have explicit dependencies
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\item Processes are supervised
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\item Processes are supervised
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\item cgroups are utilised to apply resource limits
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\item cgroups are utilised to apply resource limits
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\item Service logs are managed and centrally queryable
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\item Service logs are managed and centrally queryable
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\item Much more!
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\item Much more!
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\end{itemize}
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\end{itemize}
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\end{frame}
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\end{frame}
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@ -69,20 +69,20 @@
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\small
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\small
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\begin{columns}[T,onlytextwidth]
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\begin{columns}[T,onlytextwidth]
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\column{0.5\textwidth}
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\column{0.5\textwidth}
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\begin{itemize}
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\begin{itemize}
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\item systemd.service
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\item systemd.service
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\item systemd.target
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\item systemd.target
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\item systemd.timer
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\item systemd.timer
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\item systemd.path
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\item systemd.path
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\item systemd.socket
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\item systemd.socket
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\end{itemize}
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\end{itemize}
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\column{0.5\textwidth}
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\column{0.5\textwidth}
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\begin{itemize}
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\begin{itemize}
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\item systemd.device
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\item systemd.device
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\item systemd.mount
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\item systemd.mount
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\item systemd.swap
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\item systemd.swap
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\item systemd.slice
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\item systemd.slice
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\end{itemize}
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\end{itemize}
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\end{columns}
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\end{columns}
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\end{code}
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\end{code}
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\end{frame}
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\end{frame}
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