Hi Ladas,
Here is what I did:
apt install redis
mkdir -p /var/lib/redis/default/
chown redis:redis * -R /var/lib/redis/
Then create a service:
systemctl edit redis@grommunio.service --full --force
With the following content:
[Unit]
Description=Redis instance: %i
After=network.target
PartOf=redis.target
[Service]
Type=notify
User=redis
Group=redis
PrivateTmp=true
PIDFile=/run/redis/%i.pid
ExecStart=/usr/bin/redis-server /etc/redis/%i.conf
LimitNOFILE=10240
Restart=on-failure
[Install]
WantedBy=multi-user.target redis.target
And then activate:
systemctl daemon-reload
systemctl disable --now redis
systemctl enable --now redis@grommunio.service
systemctl status redis@grommunio.service