MDADM is a tool that allows to create and manage software RAIDs on Linux. In this article we’ll show how to use mdadm (multiple disks admin) to create RAID array…
Linux
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CentOSLinuxQuestions and AnswersRHEL
Install and Configure OpenVPN Server on Linux CentOS/RHEL
December 31, 2020In this article we’ll consider the installation and configuration of an OpenVPN server running Linux CentOS/RHEL (7/8) and show how to join two remote computers (or offices) behind NAT into…
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Active DirectoryCentOSLinuxUbuntu
Zabbix: Single Sign-On (SSO) Authentication in Active Directory
December 17, 2020In this article we will consider a step-by-step configuration of a transparent SSO (Single Sign-On) authentication for Zabbix 4.0 (or newer) in Active Directory using Kerberos.
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CentOSLinuxUbuntuWindows Server 2016
Zabbix Installation and Basic Configuration Guide
November 23, 2020Zabbix 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…
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CentOSLinuxQuestions and AnswersRHELUbuntu
Compress, Defrag and Optimize MariaDB/MySQL Database
November 3, 2020In 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.…
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CentOSLinuxQuestions and AnswersRHEL
Configuring High Performance NGINX and PHP-FPM Web Server
October 23, 2020PHP-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…
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CentOSLinuxQuestions and AnswersRHEL
Install and Configure PostgreSQL on CentOS/RHEL
October 19, 2020In 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…
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CentOSLinuxQuestions and Answers
CentOS: How to Set Date, Time, TimeZone and NTP Synchronization
October 12, 2020In 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.
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Very often ‘too many open files’ errors occur on high-load Linux servers. It means that a process has opened too many files (file descriptors) and cannot open new ones. In…
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CentOSLinuxQuestions and AnswersRHEL
How to Mount Google Drive or OneDrive in Linux?
August 16, 2020In 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…