Oracle systemd

[root@host02 system]# pwd
/usr/local/lib/systemd/system

[root@host02 system]# more oracle_listener.service
[Unit]
Description="Oracle Listener"
After=network.target

[Service]
User=oracle
Group=oinstall
Type=forking
WorkingDirectory=/app/oracle/product/11.2.0/dbhome_1
Environment=ORACLE_BASE=/app/oracle ORACLE_HOME=/app/oracle/product/11.2.0/dbhome_1
Restart=on-failure
ExecStart=/app/oracle/product/11.2.0/dbhome_1/bin/lsnrctl start LISTENER
ExecStop=/app/oracle/product/11.2.0/dbhome_1/bin/lsnrctl stop LISTENER

[Install]
WantedBy=multi-user.target