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…
CentOS
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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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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…
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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…
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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…
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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…
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CentOSLinuxQuestions and AnswersRHEL
Keepalived: Configuring High Availability with IP Failover on CentOS/RHEL
July 5, 2020In 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…
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In this article we’ll cover the basic steps required to install a clean Linux CentOS 8 from scratch and initial server setup.
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CentOSLinuxQuestions and AnswersRHEL
How to Manage Services & Scripts Startup on CentOS/RHEL?
June 12, 2020In this article, we’ll learn the basics of how to configure services and scripts to start automatically in Linux CentOS/RHEL 7/8. In particular, we’ll get acquainted with systemd daemon, learn how to…
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CentOSKVMLinuxWindows Server 2012 R2
KVM: How to Expand or Shrink a Virtual Machine Disk Size?
May 25, 2020In this article we’ll talk about how to resize KVM virtual machine disks for popular disk types. We’ll show how to correctly increase a virtual machine disk size in the…