![]() Reload server: $ sudo systemctl reload postgresqlĬheck status: $ sudo systemctl status postgresql Restart after configuration changes: $ sudo systemctl restart postgresql Start server: $ sudo systemctl start postgresql Stop server: $ sudo systemctl stop postgresql Use the following commands to manage the PostgreSQL server: It's recommended to check PostgreSQL's official website for procedures you must perform for a major version upgrade. # pacman -S postgresql postgresql-libs postgresql-old-upgrade # systemctl stop postgresqlĬonfirm it stopped. When an upgrade is released, and you upgrade your entire Arch system, pacman will indicate a new version is available.Įdit /etc/nf, and add the following: IgnorePkg = postgresql* It's highly recommended to configure pacman to skip automatic upgrades for PostgreSQL. Always check the PostgreSQL Official documentation for more details and to be certain of the steps required to upgrade. ![]() However, if you upgrade to a different major version, you might not be able to access your data. Minor version upgrades are easy and safe to do. It's highly recommended that you backup your databases first. Upgrading, if not done properly, can cause data loss. Make sure you follow the official PostgreSQL Upgrade documentation. Upgrading PostgreSQL requires extra attention. Get summary information of all tables in the current database: \dt Here are a few basic PostgreSQL commands.Ĭreate a database and log in: $ createdb TestDBĬheck the current user: select current_user Ĭheck the list of user and permissions: \du Enter new password: EXAMPLE_PASSWORDĮxit the command-line client. postgres=# \password postgresĮnter a strong password and confirm. $ sudo -u postgres psqlĬreate a password for the super-user. Use the default PostgreSQL command-line psql to log into the database server. When you first install PostgreSQL, a password for the super-user is not set by default. PostgreSQL database server runs as a service under the name postgresql.Įnable the PostgreSQL service to start automatically at every boot. $ sudo -u postgres âi initdb -D '/var/lib/postgres/data' Switch to the postgres user and initialize the database cluster. The installation creates a system user called postgres. PrerequisitesĪ Vultr server running up to date Arch Linux. This guide explains how to install and upgrade PostgreSQL server on Arch Linux. PostgreSQL is an open-source Object-Relational Database Management System.
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