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\title{Arch Linux}
\author{Jack Rosenthal}
\institute{CSM Linux Users Group}
\date{10 September 2015}
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Slides available online at:

\small
\tt https://github.com/jackrosenthal/lug-arch-presentation
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\begin{frame}
    \frametitle{What makes Arch different?}
    \pause
    \begin{itemize}[<+->]
        \item Arch Linux is a \emph{lightweight} Linux distribution with a
            \emph{Keep it Simple} philosophy.
        \item Arch only provides you with a minimal base system, allowing you
            to pick and choose what you would like to install.
        \item Arch is a rolling release system, so you will never have to
            upgrade to a new version of Arch.
        \item Most system configuration is performed from the shell by editing
            simple text files.
        \item Arch strives to stay bleeding edge, and typically offers the
            latest stable versions of most software.
        \item Arch isn't just a Linux distribution, Arch is a lifestyle.
    \end{itemize}
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\begin{frame}
    \frametitle{Package Management}
    Unlike Windows and OS X, most Linux distributions include a package
    manager. A package manager allows you to install and update software
    without going through websites and untrusted install files.

    \pause
    \textbf{Installing software (PDF viewer) on Windows}
    \begin{enumerate}
        \item Open a web browser \pause
        \item Do a web search for Adobe Reader \pause
        \item Go to the webpage for Adobe Reader \pause
        \item Click download \pause
        \item Run \texttt{adobereader\_installer.exe} \break {\small Yikes! Who knows
            what this will do to your computer!} \pause
        \item Untick all the McAffe and other bloatware \pause
        \item Profit? \pause Not really... What happens when you need to update
            everything on your system?
    \end{enumerate}
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\begin{frame}
    \frametitle{Package Managment}
    \textbf{Installing a PDF viewer on Arch Linux}
    \begin{enumerate}[<+->]
        \item Open your terminal and run \break
            \texttt{pacman -S zathura} (one of my favourite PDF viewers)
        \item Pacman will tell you how much data it will need to download and
            the total installed size, and additonally any dependencies zathura
            will need to run. Just press \texttt{y} to confirm you would like
            all this.
    \end{enumerate}
    \pause Better yet, when you need to update everything on your system, just run
    \break
    \texttt{pacman -Syu}
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    \frametitle{Installing Arch}
    \begin{enumerate}[<+->]
        \item Visit \texttt{https://www.archlinux.org} and download the latest
            ISO. Copy this to a USB or other installation media.
        \item Boot the installation media. Arch just gives you \texttt{zsh} and
            a few convenient programs to install.
        \item Load your keyboard layout using \texttt{loadkeys}.
        \item Connect to the network. You will need to start dchpcd on your
            interface if you use DHCP.
        \item Partition your drive using your favourite (and
            appropriate) tool (ex. \texttt{cgdisk})
        \item Format your partitions using the filesystem of your choice. You
            may choose to use LUKS for full disk encryption.
        \setcounter{enumresume}{\value{enumi}}
    \end{enumerate}
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    \frametitle{Installing Arch}
    \begin{enumerate}[<+->]
            \setcounter{enumi}{\value{enumresume}}
        \item Mount your root filesystem at \texttt{/mnt}\\
            \texttt{\# mount /dev/sdxY /mnt}
        \item Mount any remaining partitions in their respective location in
            \texttt{/mnt}.\\
            \texttt{\# mkdir -p /mnt/boot\\\# mount /dev/sdxZ /mnt/boot}
        \item Edit \texttt{/etc/pacman.d/mirrorlist} and uncomment some good
            mirrors.
        \item \texttt{\# pacstrap -i /mnt base base-devel zsh vim}
        \item Generate your fstab. Check for errors afterwards.\\
            \texttt{\# genfstab -U /mnt > /mnt/etc/fstab}
    \end{enumerate}
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\setcounter{enumresume}{\value{enumi}}

\begin{frame}
    \frametitle{Installing Arch}
    \begin{enumerate}[<+->]
            \setcounter{enumi}{\value{enumresume}}
        \item \texttt{chroot} into your system.
            \texttt{arch-chroot /mnt /usr/bin/zsh}
        \item Edit \texttt{/etc/locale.gen} and uncomment the locale of your
            choice.
        \item \texttt{\# locale-gen}
        \item \texttt{\# echo LANG=en\_US.UTF-8 > /etc/locale.conf}
        \item Edit \texttt{/etc/vconsole.conf} and include your keyboard
            layout.\\
            \texttt{KEYMAP=wuly}
        \item \texttt{\# ln -sf /usr/share/zoneinfo/\emph{Zone}/\emph{SubZone} /etc/localtime}
        \item \texttt{\# hwclock --sys-to-hc --utc}
        \item Install bootloader
        \item Configure network
        \item \texttt{\# passwd}
        \item \texttt{\# exit}
        \item \texttt{\# reboot}
    \end{enumerate}
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\begin{frame}
    \frametitle{Post-installation Recommendations}
    \begin{itemize}[<+->]
        \item Create another user for yourself
        \item Install a display server (X.org, wayland)
        \item Install a login manager (SLiM, xdm, SDDM, lightdm, etc.)
        \item Install a window manager (i3, xmonad, GNOME, etc.)
        \item Install useful programs (dmenu, Firefox, Python, etc.)
    \end{itemize}
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    \frametitle{When things go wrong...}
    \pause
    Error messages can be terrifying when you aren't prepared for them;
    but they can be fun when you have the right attitude. Just remember that
    you really haven't hurt the computer's feelings, and that nobody will
    hold the errors against you.

    --- D. E. Knuth, the \TeX book, p. 30
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\begin{frame}
    \frametitle{How to get help}
    \begin{itemize}
        \item Come to LUG!
        \item Send mail to our mailing list:\\
            \texttt{lug@mailman.mines.edu}
        \item Check the Arch Wiki:\\
            \texttt{https://wiki.archlinux.org}
        \item Post on the Arch BBS:\\
            \texttt{https://bbs.archlinux.org}
        \item Linux \& Unix Stack Overflow:\\
            \texttt{http://unix.stackexchange.com}
        \item The Linux Documentation Project\\
            \texttt{http://tldp.org}
    \end{itemize}
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