BeagleBone Black Ubuntu custom setup

bbb-customsetup.sh

# To reduce eMMC wear remap write-intensive directories to memory fs

# Mount /tmp into tmpfs

sudo echo "tmpfs /tmp tmpfs defaults 0 0" >> /etc/fstab
sudo rm -rf /var/tmp && ln -s /tmp /var/tmp

# Mount /var/log into tmpfs

sudo cat > /etc/init/mount-log.conf <<EOT
start on startup
task
script
  mount -t tmpfs -o size=20%,mode=0755 logfs /var/log
  mkdir /var/log/upstart /var/log/apt /run/logrotate
end script
EOT

# Trim log history

sudo sed -i -e 's/^weekly$/daily/' -e 's/^rotate .*/rotate 2/' -e 's/^#compress/compress/' /etc/logrotate.conf
sudo sed -i -e 's|/var/lib/logrotate|/run/logrotate|' /etc/cron.daily/logrotate