raspi [OurWiki]

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====== Create Basic Image ======

  - Get Image from https://www.raspberrypi.org/downloads/raspbian, copy to sd card<code>
sudo dd if=/tmp/2016-05-27-raspbian-jessie-lite.img of=/dev/mmcblk0</code>
  - Add WiFi configuration to ''<sd>/etc/a_supplicant/wpa_supplicant.conf''<code>
network={
  ssid="TellMyWifiLoveHer"
  psk="wrongdonkeyapplianceheap"
}</code>
  - Boot raspberry, copy ssh id<code>
sshpass -p raspberry ssh-copy-id pi@192.168.0.10</code>
  - Configure and update<code>
sudo raspi-config
sudo apt-get update && sudo apt-get upgrade</code>


====== CrashPi ======

based on https://melgrubb.com/2015/11/24/crashpi-an-off-site-backup-for-the-whole-family/

===== Setup External HD =====

  - Partition (disklabel gpt, add partitions as needed)<code>
sudo fdisk /dev/sda
# g
# n + defaults
# p:
# Disklabel type: gpt
# [...]
# Device       Start        End    Sectors  Size Type
# /dev/sda1   2048 3906963422 3906961375  1,8T Linux filesystem
# w
</code>
  - Format + tune + mount<code>
sudo mkfs -t ext4 /dev/sda1
sudo mkdir /media/data
sudo mount /dev/sda1 /media/data/
sudo tune2fs -m 0 /dev/sda1 # no reserved blocks
sudo vim /etc/fstab
# UUID=f8b4c1a4-8189-49cc-86fb-c01c2a12b359 /media/data ext4 noatime,nodiratime,data=writeback,barrier=0,nobh,errors=remount-ro 0 1
sudo vim /etc/dphys-swapfile
# CONF_SWAPFILE=/media/data/swap
# CONF_SWAPFACTOR=2
sudo dphys-swapfile setup
sudo dphys-swapfile swapoff
sudo dphys-swapfile swapon
</code>
  - Install CrashPlan<code>
sudo apt-get install oracle-java8-jdk
sudo apt-get install libjna-java

wget https://download.code42.com/installs/linux/install/CrashPlan/CrashPlan_4.7.0_Linux.tgz
tar xvzf CrashPlan_4.7.0_Linux.tgz
cd crashplan-install/
sudo ./install.sh
# follow instructions
# What directory do you wish to store incoming backup data? -> /media/data/crashplan

# fix jre path
sudo rm -r /usr/local/crashplan/jre
sudo ln -s /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/ /usr/local/crashplan/jre

# which of these steps are necessary?
sudo rm -r /usr/local/crashplan/jre
sudo ln -s /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/ /usr/local/crashplan/jre

sudo mv libjtux.so libjtux.so_orig
sudo wget http://www.jonrogers.co.uk/wp-content/uploads/2012/05/libjtux.so

sudo mv libmd5.so libmd5.so_orig
sudo wget http://www.jonrogers.co.uk/wp-content/uploads/2012/05/libmd5.so -O ./libmd5.so

sudo vim /usr/local/crashplan/bin/CrashPlanEngine
# FULL_CP=”/usr/share/java/jna.jar:$FULL_CP”
</code>