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Linux下启动Oracle服务
在 Linux下启动Oracle服务需要下面两步：
- 启动lsnrctl监听。
- 启动数据库实例。
启动lsnrctl监听
首先以oracle用户登录系统
进入数据库目录
$ cd /home/oracle/app/oracle/product/12.2.0/dbhome_1/bin查看监听状态
$ ./lsnrctl status
LSNRCTL for Linux: Version 12.2.0.1.0 - Production on 22-AUG-2018 20:28:21
Copyright (c) 1991, 2016, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=wl1)(PORT=1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused启动监听
# 启动监听
$ ./lsnrctl start
LSNRCTL for Linux: Version 12.2.0.1.0 - Production on 22-AUG-2018 20:28:27
Copyright (c) 1991, 2016, Oracle. All rights reserved.
Starting /home/oracle/app/oracle/product/12.2.0/dbhome_1/bin/tnslsnr: please wait...
TNSLSNR for Linux: Version 12.2.0.1.0 - Production
System parameter file is /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
Log messages written to /home/oracle/app/oracle/diag/tnslsnr/wl1/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=wl1)(PORT=1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=wl1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 12.2.0.1.0 - Production
Start Date 22-AUG-2018 20:28:28
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /home/oracle/app/oracle/diag/tnslsnr/wl1/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=wl1)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
The listener supports no services
The command completed successfully启动数据库实例
# 以system用户登录oracle
$ sqlplus /nolog
SQL*Plus: Release 12.2.0.1.0 Production on Wed Aug 22 20:37:54 2018
Copyright (c) 1982, 2016, Oracle. All rights reserved.
SQL> conn as sysdba
Enter user-name: system
Enter password:
Connected to an idle instance.
# 启动数据库实例
SQL> startup
ORACLE instance started.
# 如果要关闭数据库实例
SQL> shutdown
Database closed.
Database dismounted.
ORACLE instance shut down.