配置

cat > /etc/init.d/oracle19c <<'EOF'
#!/bin/bash
# Oracle startup and shutdown script

export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1
export ORACLE_SID=ORCLCDB
export LISTENER_NAME=LISTENER
# General exports and vars
export PATH=$ORACLE_HOME/bin:$PATH

case "$1" in
  start)
    echo "Starting Oracle Database and Listener..."
    sqlplus -s / as sysdba <<EOF1
    startup;
    alter pluggable database all open;
    exit;
EOF1
    lsnrctl start
    ;;
  stop)
    echo "Stopping Oracle Database and Listener..."
    lsnrctl stop
    sqlplus -s / as sysdba <<EOF2
    shutdown immediate;
    exit;
EOF2
    ;;
  *)
    echo "Usage: $0 {start|stop}"
    exit 1
    ;;
esac

exit 0
EOF

chmod 755 /etc/init.d/oracle19c

cat > /usr/lib/systemd/system/oracle.service <<"EOF"
[Unit]
Description=Oracle Database and Listener
After=network.target

[Service]
Type=forking
User=oracle
Group=oinstall
ExecStart=/etc/init.d/oracle19c start
ExecStop=/etc/init.d/oracle19c stop
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable --now oracle

参考连接

https://www.cnblogs.com/dll102/p/18454351
https://blog.csdn.net/Pepsiboy1/article/details/141718609?spm=1001.2101.3001.6650.3&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EYuanLiJiHua%7EPosition-3-141718609-blog-143025821.235%5Ev43%5Econtrol&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EYuanLiJiHua%7EPosition-3-141718609-blog-143025821.235%5Ev43%5Econtrol&utm_relevant_index=6