![]() ![]() The latest available version is pgAdmin version 4.30. This lightweight web-based tool can be used on Linux, Unix, macOS, and Windows platforms. PgAdmin is an open source PostgreSQL GUI tool used for administration and managing PostgreSQL databases version 9.5 and above. How well do you know Linux? Take a quiz and get a badge.Linux system administration skills assessment.A guide to installing applications on Linux. ![]() Download RHEL 9 at no charge through the Red Hat Developer program.Log in to Postgres and enter the command '\l+' to view the list of databases in PostgreSQL terminal ~]# su - ~]$ psql.Loaded: loaded (/usr/lib/systemd/system/rvice enabled vendor preset: disabled)Īctive: active (running) since Wed 11:06:28 IST 14s ago Check the PostgreSQL service status using the ~]# systemctl status postgresql.Start the PostgreSQL service using the systemctl ~]# systemctl start postgresql.Enable the PostgreSQL database for auto-start of Postgres service at ~]# systemctl enable postgresqlĬreated symlink /etc/systemd/system//rvice → /usr/lib/systemd/system/rvice.* Initialized, logs are in /var/lib/pgsql/initdb_postgresql.log * Initializing database in '/var/lib/pgsql/data' Initiate the postgresql database using the following ~]# /usr/bin/postgresql-setup -initdb.Install PostgreSQL using this ~]# dnf install This step downloads the postgresql-server and postgresql packages.Enable the AppStream repository for the RHEL 8.3 host using this ~]# subscription-manager repos -enable rhel-8-for-x86_64-appstream-rpms.Sync the repository Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs).Add RHEL 8.3 repositories from CDN to Satellite Server.Be sure to check the official documentation before proceeding with an installation in your environment. On a RHEL 8.3 system, these are the steps I followed to install and setup PostgreSQL. At the time I am writing this, the latest available version of PostgreSQL on my version of Red Hat Enterprise Linux (RHEL) is 12.5. The latest available version of PostgreSQL is 13.2. There are numerous ways to install PostgreSQL, and which one is most appropriate for your situation will depend on your environment and specific needs. PostgreSQL can be downloaded and installed using installers or ready-to-use software bundles for various OS flavors from the PostgreSQL website, or often found packaged for specific operating systems. Security – PostgreSQL uses host-based authentication for enhanced database security, supports logging, provides object-level permissions, and offers row-level security.Recovery and Availability – PostgreSQL supports hot backup using a built-in backup utility called pg_basebackup, manages streaming replication using replication slots, and contains synchronous and asynchronous options.Scalability – PostgreSQL uses multi-version concurrency control, supports tablespaces and parallel sequential scans.It uses the concept of write-ahead logging (WAL) for transaction logging. Reliability – PostgreSQL is ACID-compliant and supports transactions and savepoints. ![]()
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