Postgres config file

To dump the contents of a file that contains the command-line arguments used to launch PostgreSQL, you can follow these steps:

 

Step 1: Locate the PostgreSQL Configuration File The first step is to locate the PostgreSQL configuration file. Depending on your operating system and PostgreSQL installation method, the configuration file can have different names and locations. Commonly, the configuration file is named postgresql.conf or postgres.conf.

On Linux, it is often located in the /etc/postgresql/<version>/main/ directory, where <version> is the PostgreSQL version you have installed. For example, /etc/postgresql/12/main/.

On Windows, it is typically found in C:\Program Files\PostgreSQL\<version>\data\.

 

Step 2: Open the Configuration File Once you have located the PostgreSQL configuration file, you can open it using a text editor like nano, vi, vim, gedit on Linux/Unix systems, or Notepad, Notepad++, or Visual Studio Code on Windows.

For example, on Linux, you can use the following command to open the configuration file using nano (you may need to use sudo if you don't have the necessary permissions):

 

Step 3: View the Contents After opening the file in your text editor, you should be able to see the contents, which typically include various configuration options for PostgreSQL, such as database paths, memory settings, authentication options, and more.

 

Step 4: Find the Command-Line Arguments Look for the section in the configuration file that specifies the command-line arguments used to launch PostgreSQL. This section is usually located at the beginning of the file or under the header Command-line options.

The command-line arguments might look something like this:

 

Step 5: Close and Save the File Once you have viewed the contents and found the relevant command-line arguments, save any changes you made to the file and close the text editor.

Remember that some PostgreSQL configurations may not be stored in the main postgresql.conf file. In such cases, you might have additional configuration files, such as pg_hba.conf for authentication settings or pg_ident.conf for user mapping. Be sure to check those files if you're looking for specific configuration details.

 

The configuration files will specify various settings and parameters, including server options and database connections, but they do not store the direct command-line arguments used at the time of launch.

 

brew services >> .plist >> value after -D is the data directory >> find postgres.config file to alter values