linux server Archives - Page 5 of 8 - ITFROMZERO

Self-Hosted DDNS with Cloudflare and ddclient: A Free Solution for Your Home Server

By IT From Zero June 12, 2026

Stop worrying about dynamic IP addresses with this guide to configuring ddclient and the Cloudflare API. Keep your homelab reliably connected and looking professional.

Centos

Installing WireGuard VPN on CentOS Stream 9: Superior Speed, 5-Minute Setup

By IT From Zero June 11, 2026

Install WireGuard VPN on CentOS Stream 9 with just a few simple steps. Detailed guide on server configuration, performance optimization, and troubleshooting MTU and Firewall issues.

Monitoring

How to Install NUT (Network UPS Tools) to Monitor Your UPS and Protect Your Linux Server During Power Outages

By IT From Zero June 10, 2026

A step-by-step guide to installing and configuring NUT (Network UPS Tools) on Linux to monitor your UPS over USB and automatically shut down your server safely when the battery runs low. Covers a comparison of available solutions, full configuration walkthrough, and how to tune thresholds to avoid alert fatigue.

Fedora

Configuring Fedora Server as an iSCSI Target with targetcli: Sharing Block Storage Over a Local Network

By IT From Zero June 5, 2026

A guide to configuring Fedora Server as an iSCSI Target using targetcli — covering installation, creating file-based or LVM backstores, configuring ACLs for security, connecting from a Linux initiator, and real-world I/O monitoring. Suitable for virtualization labs, home servers, or shared storage in small teams.

Security

Mastering Velociraptor: The ‘Eye’ for Incident Response (DFIR) Across Hundreds of Linux Servers

By IT From Zero May 30, 2026

Don't let security incidents cause panic. This Velociraptor installation guide helps you investigate and collect digital evidence (DFIR) across numerous Linux servers instantly using VQL.

Centos

Installing Fail2ban on CentOS Stream 9: Battle-Tested Brute-Force Protection

By IT From Zero May 29, 2026

Install Fail2ban on CentOS Stream 9 to effectively block SSH Brute-force attacks. Detailed guide on jail.local configuration, SELinux fixes, and Firewalld rich-rules integration.

Centos

Installing PostgreSQL 16 on CentOS Stream 9: A Survival Guide for Production Environments

By IT From Zero May 27, 2026

A production-ready guide for installing PostgreSQL 16 on CentOS Stream 9. This article focuses on SELinux, Firewalld security, and practical performance tuning tips.

Centos

Setting Up a Local Yum/DNF Repository: A Lifesaver for Slow Networks or Offline Environments

By IT From Zero May 27, 2026

A detailed guide on self-hosting a Local Yum/DNF Repository. An optimal solution to speed up software installation and manage Linux servers in local networks or offline environments.

Network

Deploying FreeRADIUS on Linux: The Standard AAA Solution for Enterprise Wi-Fi and VPN

By IT From Zero May 26, 2026

Managing Wi-Fi and VPN with shared passwords poses many risks. This guide helps you install FreeRADIUS on Linux for personalized AAA authentication, enhancing security and professionalism.

Monitoring

Installing GoAccess: Real-time Nginx Log Analysis Made Easy to Replace ELK Stack

By IT From Zero May 24, 2026

A guide to installing GoAccess for real-time Nginx log analysis. A lightweight monitoring solution for system admins that uses minimal resources compared to the complex ELK stack.