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Mastering NFS on CentOS Stream 9: High-Speed Data Sharing Solutions for Clusters

By admin May 1, 2026

A detailed guide on installing NFS Server/Client on CentOS Stream 9. This article focuses on practical steps, fstab optimization, and resolving SELinux issues.

Centos

Mastering ReaR (Relax-and-Recover): A Bare Metal Disaster Recovery Solution for CentOS

By admin May 1, 2026

Don't let server disasters keep you up at night. Learn how to use ReaR on CentOS for full system Bare Metal Recovery in just 15 minutes.

Centos

Configuring LDAP on CentOS: Effortlessly Manage Hundreds of Servers Centrally

By admin April 29, 2026

A detailed guide on configuring LDAP Client on CentOS using SSSD. A solution that helps SysAdmins manage hundreds of servers centrally, securely, and professionally.

Centos

How to Install and Configure a Secure FTP Server with vsftpd on CentOS Stream 9: SSL/TLS and Virtual Users

By admin April 25, 2026

A guide to installing vsftpd on CentOS Stream 9 with SSL/TLS (FTPS) and virtual users — completely isolating FTP accounts from system accounts. Includes detailed PAM, firewalld, and SELinux configuration based on real deployment experience.

Centos

OpenSCAP: The Automation ‘Weapon’ for PCI-DSS Security Audits on CentOS for DevOps

By admin April 21, 2026

Don't let security audits become a nightmare. Discover how to use OpenSCAP to automate vulnerability scanning and PCI-DSS compliance on CentOS/RHEL based on real-world DevOps experience.

Centos

The Secret to Server ‘Immortality’: Configuring HA Clusters with Pacemaker and Corosync

By admin April 17, 2026

Learn how to build a High Availability (HA) Cluster with Pacemaker and Corosync on CentOS/Rocky Linux. A detailed guide from installation and Virtual IP configuration to handling Split-brain errors.

Centos

Live Patching Kernel Vulnerabilities on CentOS Stream 9 with kpatch: Security Updates Without Reboots

By admin April 15, 2026

Install and use kpatch on CentOS Stream 9 for 'hot' kernel security patching. Live Patching ensures 100% uptime by fixing vulnerabilities without restarting your server.

Centos

CentOS Stream 9: Saying Goodbye to network-scripts—The “Right” Way to Configure Static IPs with nmcli

By admin April 14, 2026

Forget the legacy way of editing network-scripts on CentOS 9. This guide shows you how to use nmcli for fast, precise static IP configuration with no risk of losing connectivity after a reboot.

Centos

ClamAV Installation Guide on CentOS Stream 9: Complete Server Malware Protection

By admin April 13, 2026

A detailed guide on installing ClamAV on CentOS Stream 9. Learn how to configure automated malware scanning, resolve SELinux errors, and optimize RAM for low-spec servers.

Centos

Supercharge Website Speed with Varnish Cache and Nginx on CentOS Stream 9

By admin April 4, 2026

Learn how to deploy Varnish Cache with Nginx on CentOS Stream 9 to reduce server load and boost website speed. Detailed guide based on real-world system admin experience.