It restarts the PostgreSQL service in the CentOS. Users can restrict this by replacing 0.0.0.0/0 with a specific IP address or subnet.Īfter modifying the configuration file, restart the PostgreSQL service by running the following command: $ sudo systemctl restart postgresql It gives permission to make connections to any IP address. For this, open the file “/ var/lib/pgsql/data/pg_hba.conf” in a text editor, and add the following line at the end of the file: $ host all all 0.0.0.0/0 md5 If users want to allow remote connections, modify the configuration file. It ensures that PostgreSQL has been set to start at boot time.īy default, PostgreSQL listens on the localhost. To ensure that the PostgreSQL service starts automatically at system boot, run the following command: $ sudo systemctl enable postgresql Step 5: Set PostgreSQL to Start at Boot Time In this way, the services of PostgreSQL have been started. Now start the PostgreSQL service by running the “systemctl” command with the “start” utility: $ sudo systemctl start postgresql This command creates the initial database cluster. For this, execute the following command: $ sudo postgresql-setup initdb This command installs both the PostgreSQL server and additional contributed modules.Īfter installing the PostgreSQL server, users need to initialize it. To install PostgreSQL on CentOS, execute the “yum” command by specifying the required packages: $ sudo yum install postgresql-server postgresql-contrib The output shows that the system repository has been updated. Users can do this by running the following command in the terminal: $ sudo yum update Here are the steps to install PostgreSQL on CentOS:īefore installing any new package, it is important to update your system to the latest available version.
How to Install PostgreSQL on CentOS? - Update System - Install PostgreSQL - Initialize PostgreSQL - Start PostgreSQL Service - Set PostgreSQL to Start at Boot Time - Configure PostgreSQL This post will teach the step-by-step procedure to install PostgreSQL on CentOS. It includes storing, managing, and retrieving large amounts of data, performing complex data analytics, and building web applications, among other things. By installing PostgreSQL on CentOS, users can have access to a powerful database management system that provides advanced features. CentOS is a famous distribution of the Linux operating system for its stability and long-term support.
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