Ensure you have add sudoers to user salinem, refer
Running in user (Assume) : salinem We never used this username in our production !
export HOME="/mainnet/salinem"
cat > ${HOME}/systemd/empe-node.service <<EOF
[Unit]
Description=empe node service
After=network-online.target
[Service]
User=salinem
ExecStart=${HOME}/bin/emped start
Restart=on-failure
RestartSec=3
LimitNOFILE=500000
LimitNPROC=500000
Environment="HOME=${HOME}"
[Install]
WantedBy=multi-user.target
EOF
sudo cp ${HOME}/systemd/empe-node.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable empe-node.service
sudo systemctl start empe-node.service
sudo systemctl status empe-node.service
sudo journalctl -fu empe-node.service