mirror of
https://github.com/cimryan/teslausb.git
synced 2026-03-01 12:40:33 +00:00
74 lines
2.2 KiB
Bash
74 lines
2.2 KiB
Bash
#!/bin/bash
|
|
|
|
# Adapted from https://github.com/adafruit/Raspberry-Pi-Installer-Scripts/blob/master/read-only-fs.sh
|
|
|
|
function append_cmdline_txt_param() {
|
|
local toAppend="$1"
|
|
sed -i "s/\'/ ${toAppend}/g" /boot/cmdline.txt >/dev/null
|
|
}
|
|
|
|
echo "Updating package index files..."
|
|
apt-get update
|
|
echo "Removing unwanted packages..."
|
|
apt-get remove -y --force-yes --purge triggerhappy logrotate dphys-swapfile
|
|
apt-get -y --force-yes autoremove --purge
|
|
# Replace log management with busybox (use logread if needed)
|
|
echo "Installing ntp and busybox-syslogd..."
|
|
apt-get -y --force-yes install ntp busybox-syslogd; dpkg --purge rsyslog
|
|
echo "Configuring system..."
|
|
|
|
# Add fastboot, noswap and/or ro to end of /boot/cmdline.txt
|
|
append_cmdline_txt_param fastboot
|
|
append_cmdline_txt_param noswap
|
|
append_cmdline_txt_param ro
|
|
|
|
# Move fake-hwclock.data to /mutable directory so it can be updated
|
|
if ! findmnt --mountpoint /mutable
|
|
then
|
|
echo "Mounting the mutable partition..."
|
|
mount /mutable
|
|
echo "Mounted."
|
|
fi
|
|
if [ ! -e "/mutable/etc" ]
|
|
then
|
|
mkdir -p /mutable/etc
|
|
fi
|
|
|
|
if [ ! -L "/etc/fake-hwclock.data" ] && [ -e "/etc/fake-hwclock.data" ]
|
|
then
|
|
echo "Moving fake-hwclock data"
|
|
mv /etc/fake-hwclock.data /mutable/etc/fake-hwclock.data
|
|
ln -s /mutable/etc/fake-hwclock.data /etc/fake-hwclock.data
|
|
fi
|
|
|
|
# Create a configs directory for others to use
|
|
if [ ! -e "/mutable/configs" ]
|
|
then
|
|
mkdir -p /mutable/configs
|
|
fi
|
|
|
|
# Move /var/spool to /tmp
|
|
rm -rf /var/spool
|
|
ln -s /tmp /var/spool
|
|
|
|
# Change spool permissions in var.conf (rondie/Margaret fix)
|
|
sed -i "s/spool\s*0755/spool 1777/g" /usr/lib/tmpfiles.d/var.conf >/dev/null
|
|
|
|
# Move dhcpd.resolv.conf to tmpfs
|
|
mv /etc/resolv.conf /tmp/dhcpcd.resolv.conf
|
|
ln -s /tmp/dhcpcd.resolv.conf /etc/resolv.conf
|
|
|
|
# Update /etc/fstab
|
|
# make /boot read-only
|
|
# make / read-only
|
|
# tmpfs /var/log tmpfs nodev,nosuid 0 0
|
|
# tmpfs /var/tmp tmpfs nodev,nosuid 0 0
|
|
# tmpfs /tmp tmpfs nodev,nosuid 0 0
|
|
sed -i -r "s@(/boot\s+vfat\s+\S+)@\1,ro@" /etc/fstab
|
|
sed -i -r "s@(/\s+ext4\s+\S+)@\1,ro@" /etc/fstab
|
|
echo "" >> /etc/fstab
|
|
echo "tmpfs /var/log tmpfs nodev,nosuid 0 0" >> /etc/fstab
|
|
echo "tmpfs /var/tmp tmpfs nodev,nosuid 0 0" >> /etc/fstab
|
|
echo "tmpfs /tmp tmpfs nodev,nosuid 0 0" >> /etc/fstab
|
|
|