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How to Install PostgreSQL on AlmaLinux

Updated at
22/08/2023
Views
7971

PostgreSQL is a popular open-source relational database management system. Here are the steps to install PostgreSQL on AlmaLinux:

1. Update the package index:

```
sudo dnf update
```

2. Install the PostgreSQL server and client packages:

```
sudo dnf install postgresql-server postgresql-contrib postgresql
```

3. Initialize the database:

```
sudo postgresql-setup --initdb
```

4. Start the PostgreSQL service and enable it to start automatically on boot:

```
sudo systemctl start postgresql
sudo systemctl enable postgresql
```

5. Configure the PostgreSQL user and password:

By default, PostgreSQL creates a system user named "Postgres" with no password. To set a password for this user, use the following command:

```
sudo passwd postgres
```

6. Configure PostgreSQL to listen on all network interfaces:

```
sudo nano /var/lib/pgsql/data/pg_hba.conf
```

Find the following line:

```
# IPv4 local connections:
host all all 127.0.0.1/32 ident
```

Add the following line after it:

```
host all all 0.0.0.0/0 md5
```

Save the file and exit the text editor.

7. Restart the PostgreSQL service:

```
sudo systemctl restart postgresql
```

You have successfully installed PostgreSQL on AlmaLinux. To create and manage PostgreSQL databases, you can use the "psql" command-line tool or a graphical client such as pgAdmin.

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