Linux下开启oracle
先用oracle用户登录（在哪个用户下安装的就是哪个用户）
su - oracle

lsnrctl start

sqlplus '/as sysdba'

startup

单实例没啥问题

关闭shutdown immediate

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启动dbconsole

emctl start dbconsole

emctl status dbconsole

http://<hostname>:1158/em

关闭dbconsole

emctl stop  dbconsole