- Use the unit type=notify (Redis contacts systemd when ready) - Start redis with the supervised option, so it knows it should talk to systemd - USE_SYSTEMD is not documented, but it is used in the src/Makefile Signed-off-by: Titouan Christophe <titouan.christophe@railnova.eu> [yann.morin.1998@free.fr: add and explain USE_SYSTEMD] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>