Disable journald

install rsyslog

apt install rsyslog

Stop systemd-journald

systemctl stop systemd-journal-flush.service systemd-journald.service systemd-journald-dev-log.socket systemd-journald.socket

Disable systemd-journald dependencies

systemctl disable systemd-journald.service systemd-journald-audit.socket systemd-journald-dev-log.socket systemd-journald.socket

Restart