CentOS

Zabbix is an enterprise-level open-source monitoring system. Currently, Zabbix is one of the most popular and powerful free monitoring systems. Due to its simple installation and configuration, Zabbix may be…

In this article we will explore some methods of table/database compression and defragmentation in MySQL/MariaDB, that will help you to save space on a disk a database is located on.…

PHP-FPM (Fast Process Manager) is a separate implementation of FastCGI to run PHP scripts. You can use a combination of NGINX web server (processing static) and PHP-FPM to build a…

In this article we’ll install PostgreSQL 11 on Linux CentOS 7, perform the basic configuration, consider the main configuration file parameters and performance tuning methods. PostgreSQL is a popular free…

In this article, we’ll show you how to set time, date, timezone, synchronize time with an NTP server and fix typical issues in CentOS Linux.

In this article we’ll consider how to connect free cloud storages like Google Drive or OneDrive in Linux CentOS. You can use them to backup data or just to exchange…

In this article we’ll show how to configure a tagged VLAN interface using native Linux tools on CentOS/Fedora/RedHat. We’ll study the configuration using subinterface, a separate vlanX file and tools…

In this article we’ll show how to configure the HAProxy as a load balancer for two Nginx web servers (you can replace it with Apache). CentOS is used as a…

In CentOS 7 the FirewallD has appeared to configure traffic filtering rules. It is the tool recommended to be used to manage iptables rules. CentOS 8 is using nftables framework…

In this article, we’ll consider a high-available failover configuration of two squid (Linux) proxy servers to access the Internet from a corporate LAN. To build a failover configuration we are…