if somebody care, my adapted & tested
chaincoind daemon start script with autostart for the standard Masternode Setup on Ubuntu 16.04 (and higher)
copy text into a new file /etc/systemd/system/chaincoind.service
[Unit]
Description=chaincoin's distributed currency daemon
After=network.target
[Service]
User=root
Group=root
Type=forking
PIDFile=/root/.chaincoin/chaincoind.pid
ExecStart=/usr/local/bin/chaincoind -daemon -pid=/root/.chaincoin/chaincoind.pid -conf=/root/.chaincoin/chaincoin.conf -datadir=/root/.chaincoin
#-disablewallet
Restart=always
PrivateTmp=true
TimeoutStopSec=60s
TimeoutStartSec=2s
StartLimitInterval=120s
StartLimitBurst=5
[Install]
WantedBy=multi-user.target
run
systemctl reenable chaincoind
reload config
systemctl daemon-reload
systemctl restart chaincoind
or better
reboot and check for startup with
systemctl status chaincoind
advantage is its autostart on reboot and also on daemon crash