RPi Install¶
Copy image to SD card
Enable metadata checksums for ext4:
e2fsck -fD /dev/${sdcard}2 resize2fs -b /dev/${sdcard}2 tune2fs -O metadata_csum /dev/${sdcard}2
Note
This enables 64bit mode which supports longer checksums.
Mount:
mount /dev/${sdcard}2 /mnt
Enable SSHD:
ln -s /lib/systemd/system/ssh.service /mnt/etc/systemd/system/sshd.service ln -s /lib/systemd/system/ssh.service /mnt/etc/systemd/system/multi-user.target.wants/ssh.service
Note
It’s possible use chroot to enable SSHD via systemctl but that only works if the binary format of the target is supported:
systemctl --root /mnt enable ssh
Set temporary password for pi:
sudo chpasswd -c SHA512 --root /mnt <<<"pi:${PASSWORD}"
Manage ethernet via networkd
Create /mnt/etc/systemd/network/50-ether.network:
[Match] Type=ether [Network] DHCP=yes [DHCP] SendHostname=false
Disable dhcpcd:
rm /mnt/etc/rc2.d/S01dhcpcd
Enable networkd:
systemctl --root /mnt enable systemd-networkd
Enabled resolved:
systemctl --root /mnt enable systemd-resolved
Create random seed for systemd-random-seed.service:
install -m 600 -o root -g root /dev/null /mnt/var/lib/systemd/random-seed dd if=/dev/urandom of=/mnt/var/lib/systemd/random-seed bs=1 count=512
Umount:
umount /mnt
Bring RPi online and connect via SSH
Remove dhcp client:
apt remove dhcpcd5