![]() If you are logged in as root user then first you need to switch to non-root user as psql prompt cannot be opened from the root account. ~]# systemctl enable postgresqlĬreated symlink from /etc/systemd/system//rvice to /usr/lib/systemd/system/rvice. If you want this service to be started automatically after every system reboot then you need to enable the service by using systemctl enable postgresql command as shown below. Mar 23 08:34:33 cyberithub systemd: Started PostgreSQL database server. Mar 23 08:34:32 cyberithub systemd: Starting PostgreSQL database server. └─11594 postgres: stats collector process ├─11593 postgres: autovacuum launcher process Process: 11584 ExecStart=/usr/bin/pg_ctl start -D $ (code=exited, status=0/SUCCESS) Loaded: loaded (/usr/lib/systemd/system/rvice disabled vendor preset: disabled)Īctive: active (running) since Wed 08:34:33 EDT 1s ago ~]# systemctl start ~]# systemctl status postgresql You can also check the service status by using systemctl status postgresql command. OKĪfter initializing the database we need to start the service by using systemctl start postgresql command as shown below. ~]# postgresql-setup initdb Initializing database. Next step is to initialize the database by using postgresql-setup initdb command as shown below. > Package uuid.x86_64 0:1.6.2-26.el7 will be installedĪfter successful installation, you can check the current installed version by using postgres -V command as shown below. ~]# yum install postgresql-server postgresql-contrib Here we will install it through from the default repository using yum install postgresql-server postgresql-contrib command as shown below. There are multiple ways to install PostgreSQL DB Server on Linux. > Package snapd-selinux.noarch 0:2.54.4-1.el7 will be an update > Package snapd-selinux.noarch 0:2.54.3-1.el7 will be updated > Package powershell.x86_64 0:7.2.2-1.rh will be an update > Package powershell.x86_64 0:7.2.1-1.rh will be updated Loading mirror speeds from cached hostfile In case any packages requires an upgrade then it can be done by using yum upgrade or dnf upgrade command. How to Install PostgreSQL DB on RHEL/CentOS 7/8Īlso Read: How to Install kubectl on Ubuntu 20.04 LTS (Focal Fossa) Step 1: PrerequisitesĪ) You should have a running RHEL/CentOS 7/8 Server.ī) You should have sudo or root access to run privileged commands.Ĭ) You should have yum or dnf utility available in your System.ĭ) Make sure PostgreSQL default Port 5432 allowed from Firewall if you have any.īefore moving on with the installation, let's sync the system with the latest available updates by using yum update or dnf update command as shown below. It has multi-version concurrency control(MVCC).It has fault tolerance and high availability features.Fully supported with Programming languages like C++, Java, Python, Ruby, Perl etc.Highly recommended for Server Side Programming.Highly reliable with disaster recovery available. ![]() Check official documentation for more information. ![]() It is default database in MAC based Systems. It is powerful, fast and reliable currently in use by the database administrators, developers and all the people working on databases from last 25 years. PostgreSQL is a very popular free and open source relational database management system designed for handling variety of workloads ranging from a single machine to data warehouses with many concurrent users. In this article, I will take you through the steps to install PostgreSQL DB on RHEL/CentOS 7/8. ![]()
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