postgresqlHow can I install and configure PostgreSQL on Linux?
- Download and install PostgreSQL from the official website: https://www.postgresql.org/download/linux/.
- Create a
postgresuser and apostgresgroup:
sudo useradd -r -m -d /var/lib/postgresql -s /bin/bash -c "PostgreSQL Server" -U postgres- Create a
/var/lib/postgresqldirectory and set the correct permissions for thepostgresuser and group:
sudo mkdir /var/lib/postgresql
sudo chown postgres:postgres /var/lib/postgresql- Initialize the database cluster:
sudo -u postgres initdb -D /var/lib/postgresql/data- Configure PostgreSQL to start on boot:
sudo systemctl enable postgresql- Start the PostgreSQL service:
sudo systemctl start postgresql- Connect to the PostgreSQL server and create a database:
sudo -u postgres psql
CREATE DATABASE my_database;useraddis used to create a user and a group.mkdiris used to create a directory.chownis used to set the correct permissions for the user and group.initdbis used to initialize the database cluster.systemctl enableis used to configure PostgreSQL to start on boot.systemctl startis used to start the PostgreSQL service.psqlis used to connect to the PostgreSQL server.CREATE DATABASEis used to create a database.
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