How do I start the Oracle listener in Unix?

How do I start the Oracle listener?

To start or stop the listener at the command line:

  1. Open a command window.
  2. Follow the steps listed in “Configuring the Operating System Environment Variables .”
  3. Enter either of the following commands, depending on whether you want to start or stop the listener: lsnrctl start lsnrctl stop.

How do I start Oracle listener service in Linux?

If the Oracle listener is not running, start the listener as shown below. Run this as the oracle user. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168. 1.2)(PORT=1521))) STATUS of the LISTENER ———————— Alias LISTENER Version TNSLSNR for Linux: Version 11.1.

How do I know if Oracle Listener is running on Linux?


  1. Log in to the SUSE Linux as user oracle.
  2. On the command line interface (CLI), run the following command to view the state of the Oracle listener: > lsnrctl status Listener name.

How can we connect to Oracle in Unix?

SQL*Plus Command-line Quick Start for UNIX

  1. Open a UNIX terminal.
  2. At the command-line prompt, enter the SQL*Plus command in the form: $> sqlplus.
  3. When prompted, enter your Oracle9i username and password. …
  4. SQL*Plus starts and connects to the default database.
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How do I check my DB listener status?

Do the following:

  1. Log on to the host where the Oracle database resides.
  2. Change to the following directory: Solaris: Oracle_HOME/bin. Windows: Oracle_HOMEbin.
  3. To start the listener service, type the following command: Solaris: lsnrctl START. Windows: LSNRCTL. …
  4. Repeat step 3 to verify that the TNS listener is running.

How can I tell if Oracle is running?

To check general database status, I recommend:

  1. Check if database processes are running. For example, from a Unix shell, running: $ ps -ef | grep pmon. …
  2. Check if listeners are running using $ ps -ef | grep tns and $ lsnrctl status LISTENER.

How do I start TNS listener in Linux?

Start the Oracle listener service.

  1. Windows operating systems: Use the Services menu to start the Oracle TNS listener named OracleOraDb12_home1TNSListener . If the Oracle listener service is idle, start the listener.
  2. UNIX and Linux operating systems: Enter these commands: # su – oracle # ./lsnrctl start.

Where is Sqlplus path in Linux?

This very simple.

  1. We need to check the sqlplus directory under oracle home.
  2. If you don’t know the oracle database ORACLE_HOME, there is a simple way to find out it as: …
  3. Check your ORACLE_HOME is set or not from below command. …
  4. Check your ORACLE_SID is set or not, from below command.

How do you set up a listener?

To configure a protocol address for Oracle JServer in an Oracle8i database:

  1. Start Oracle Net Manager. …
  2. In the navigator pane, expand Local > Listeners.
  3. Select a listener.
  4. From the list in the right pane, select Listening Locations.
  5. Click Add Address. …
  6. Select the TCP/IP or TCP/IP with SSL protocol from the Protocol list.
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How do I find the listener name in Oracle?

It can be found in the “$ORACLE_HOME/network/admin” directory on the server. Here is an example of a basic “listener. ora” file from Linux. We can see the listener has the default name of “LISTENER” and is listening for TCP connections on port 1521.

How do I start and stop Oracle database in Linux?

Do one of the following:

  1. On Windows: Click Start, point to Programs (or All Programs), point to Oracle Database 11g Express Edition, and then select Stop Database.
  2. On Linux with Gnome: In the Applications menu, point to Oracle Database 11g Express Edition, and then select Stop Database.
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