HOW-TOs

Tutorials posted by our own experts and community users with deep knowledge on selected topics. 

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Latest HOW-TOs

May 13, 2019
Servers 262 SymmCom

How To Install CentOS 7.6 Minimal Linux Server

CentOS or Community ENTerprise Operating System is a stable Linux distribution forked out of Red Hat Enterprise Linux (RHEL). It is a community-driven, available for free Linux server operating system. The active user community includes the core developers,…
April 15, 2019
Databases 722 SymmCom

How To Install PostgreSQL 11.x on CentOS 7

Based on Postgres 4.2, PostgreSQL was developed at Berkeley Computer Science Development, University of California. It was created to be a powerful open source relational database system able to run across multiple platforms such as Linux, Windows, Solaris,…
March 19, 2019
Web Dev 435 SymmCom

How To Install PHP 7.3 on CentOS 7

Originally created by Rasmus Lerdorf in 1994, PHP is one of the most popular server-side scripting languages. The latest version PHP 7.3 was released on Dec 6th, 2018, PHP 7.3 with new features, bug fixes, and performance improvement. In this tutorial, we are…
February 19, 2019
Databases 579 SymmCom

How To Recover MariaDB Galera Cluster After Partial or Full Crash

Galera is a multi-master cluster for MariaDB which replicates data using synchronous replication. Galera allows any nodes in the cluster to act as master and write to any node at a time. The active-active configuration of Galera cluster provides more load…