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--- distros:raspbian [2018/05/31 00:00] – Sean Rhone
+++ distros:raspbian [2018/06/01 00:01] (current) – old revision restored (2018/05/31 00:00) Sean Rhone
@@ Line 1: / Line 1: @@
+====== Information ======
+  * Raspbian ((https://www.raspbian.org))
+===== Prerequisites =====
+  * [[Devices:Raspberry Pi]]
+====== Download ======
+===== Web =====
+  * https://www.raspberrypi.org/downloads/raspbian
+===== wget =====
+==== Full ====
+****
+  wget 'https://downloads.raspberrypi.org/raspbian_latest' -O ~/'Downloads/raspbian.zip'
+==== Lite ====
+****
+  wget 'https://downloads.raspberrypi.org/raspbian_lite_latest' -O ~/'Downloads/raspbian-lite.zip'
+====== Expand Filesystem ======
+  * This **must** be done before anything else
+  sudo raspi-config
+====== Software ======
+===== Update =====
+****
+  sudo apt update && sudo apt full-upgrade -y && sudo apt autoremove -y && sudo apt clean && sync
+===== General =====
+****
+  sudo apt install htop -y && sync
+====== Settings ======
+===== raspi-config =====
+****
+  sudo raspi-config
+===== GNU nano =====
+  * Sets ''nowrap'' and ''nonewlines'' for current user
+  echo -e "set nowrap\nset nonewlines" | tee ~/'.nanorc' > '/dev/null' && cat ~/'.nanorc'
+===== Kernel Options =====
+  * Enables ''kernel.dmesg_restrict'', ''kernel.kptr_restrict'', and ''kernel.sysrq''
+  * Sets ''vm.swappiness'' to ''10'' and ''vm.vfs_cache_pressure'' to ''50''
+  echo -e "kernel.dmesg_restrict = 1\nkernel.kptr_restrict = 1\nkernel.sysrq = 1\nvm.swappiness = 10\nvm.vfs_cache_pressure = 50" | sudo tee '/etc/sysctl.d/99-custom.conf' > '/dev/null' && cat '/etc/sysctl.d/99-custom.conf'
+===== Static IP =====
+  * Append to bottom of file and change as-needed
+  sudo -e '/etc/dhcpcd.conf'
+<code>
+interface eth0
+static ip_address=192.168.1.158/24
+static routers=192.168.1.1
+static domain_name_servers=1.1.1.1 1.0.0.1</code>
+===== systemd Journal =====
+  * Max log file sizes of ''50MB''
+  sudo mkdir -p '/etc/systemd/journald.conf.d' && echo -e "[Journal]\nSystemMaxUse=50M\nRuntimeMaxUse=50M" | sudo tee '/etc/systemd/journald.conf.d/logging.conf' > '/dev/null' && cat '/etc/systemd/journald.conf.d/logging.conf'
+===== TRIM =====
+==== Service ====
+  * Taken from Fedora Workstation with slight modifications
+  sudo -e '/etc/systemd/system/fstrim.service'
+  [Unit]
+  Description=Discard unused blocks
+  [Service]
+  Type=oneshot
+  ExecStartPre=/bin/sync
+  ExecStart=/sbin/fstrim -a
+  ExecStartPost=/bin/sync
+==== Timer ====
+  * Taken from Fedora Workstation
+  sudo -e '/etc/systemd/system/fstrim.timer' && sudo systemctl daemon-reload && sudo systemctl enable 'fstrim.timer' && sudo systemctl start 'fstrim.timer' 'fstrim' && sudo systemctl status 'fstrim' -l
+  [Unit]
+  Description=Discard unused blocks once a week
+  Documentation=man:fstrim
+  [Timer]
+  OnCalendar=weekly
+  AccuracySec=1h
+  Persistent=true
+  [Install]
+  WantedBy=timers.target
+===== Secure Shell =====
+  * https://wiki.archlinux.org/index.php/Secure_Shell#Daemon_management
+  sudo systemctl disable 'ssh' && sudo systemctl enable 'ssh.socket'
+===== Environment Variables =====
+==== Timezone ====
+  * https://blog.packagecloud.io/eng/2017/02/21/set-environment-variable-save-thousands-of-system-calls
+  echo 'export TZ=:/etc/localtime' | sudo tee '/etc/profile.d/tz.sh' > '/dev/null' && cat '/etc/profile.d/tz.sh' | grep -e 'export TZ=:/etc/localtime'
+====== Automatic Updates ======
+===== Service =====
+  sudo -e '/etc/systemd/system/raspbian-up.service'
+  [Service]
+  Type=oneshot
+  ExecStartPre='/usr/bin/apt' clean
+  ExecStart='/usr/bin/apt' update
+  ExecStart='/usr/bin/apt' full-upgrade -y
+  ExecStart='/usr/bin/apt' autoremove -y
+  ExecStartPost='/bin/sync'
+  ExecStartPost='/bin/systemctl' reboot
+===== Timer =====
+  sudo -e '/etc/systemd/system/raspbian-up.timer' && sudo systemctl daemon-reload && sudo systemctl enable 'raspbian-up.timer' --now
+  [Unit]
+  Description=Software Package Maintenance and Updater
+  After=network-online.target
+  Wants=network-online.target
+  [Timer]
+  OnCalendar=*-*-* 05:40:00
+  Persistent=true
+  [Install]
+  WantedBy=timers.target
+https://dakboard.com/app/screenPredefined?p=c14c5944d8ed6a1433ae43c9e96b07d5