% balena, mount

# remount rootfs writable
mount -o remount,rw /

# remount rootfs readonly
mount -o remount,ro /

% balena, journal

# engine + container logs
journalctl -fu balena -a

# engine logs only
journalctl -fu balena -t balenad

# supervisor logs
journalctl -fu resin-supervisor

# kernel logs
journalctl -fk

# last boot logs (needs persistent-logging)
journalctl -b -1 -r

% balena, edit systemd

# edit engine (dev)
vi /etc/systemd/system/balena.service.d/balena.conf

# edit engine
vi /etc/systemd/system/balena-engine.service