Linux Administration Archives - ITFROMZERO

How to Install and Configure Graylog on CentOS Stream 9: Building a Centralized Log Management System

By IT From Zero October 5, 2026

A step-by-step guide to deploying a centralized log management system with Graylog 6.0, OpenSearch, and MongoDB on CentOS Stream 9 for effective infrastructure monitoring.

Centos

Deploying Foreman & Katello on CentOS Stream 9: A Centralized Linux Lifecycle Management Solution

By IT From Zero September 11, 2026

A Sysadmin's guide to installing Foreman and Katello on CentOS Stream 9 to centrally manage hundreds of Linux servers, control patches, and manage software lifecycles efficiently.

Centos

CentOS Stream 9: Bare Metal Backup and Recovery with Veeam Agent for Linux

By IT From Zero September 10, 2026

Don't let data loss disrupt your business. This guide shows how to install Veeam Agent on CentOS Stream 9 for full system backups and rapid recovery from hardware failures.

Centos

Installing Webmin on CentOS Stream 9: Effortless Linux Server Administration via Web UI

By IT From Zero September 5, 2026

A guide to installing and securing Webmin on CentOS Stream 9. Manage Linux servers professionally via a Web interface and save up to 40% on configuration time.

Centos

Network Teaming on CentOS Stream 9: A Solution to Prevent Network Downtime and Increase Server Bandwidth

By IT From Zero September 1, 2026

Don't let a single faulty cable crash your server. Detailed guide on configuring Network Teaming on CentOS Stream 9 for redundancy and Enterprise-grade bandwidth.

Security

Tlog Guide: The “Security Camera” for Recording Every Linux Terminal Session

By IT From Zero August 20, 2026

Forget .bash_history; tlog is the real security auditing tool for Linux. Record entire Terminal sessions and replay them like video for absolute system control.

Centos

FreeIPA Installation Guide on CentOS Stream 9: Professional Centralized Identity Management (IdM)

By IT From Zero August 16, 2026

A detailed guide on installing FreeIPA on CentOS Stream 9. A centralized solution for managing Users, Groups, and Kerberos security—a perfect alternative to manual administration.

Centos

RPM Packaging on CentOS Stream 9: Stop SSH-ing and Copy-Pasting Code!

By IT From Zero August 8, 2026

Forget manual copy-pasting! This CentOS Stream 9 RPM packaging guide helps you standardize deployments, manage dependencies smartly, and minimize production errors.

Fedora

Blocking Unauthorized Software on Fedora Server with fapolicyd: A Whitelisting Approach

By IT From Zero July 29, 2026

Enhance Fedora Server security with fapolicyd. A detailed guide on setting up Application Whitelisting to prevent unauthorized scripts and software execution.

Centos

CentOS Stream 9: Managing Node.js and PHP is Easier with AppStream and DNF Modules

By IT From Zero July 26, 2026

Managing Node.js, PHP, and Python on CentOS Stream 9 has never been easier. Learn how to use AppStream and DNF Modules to switch runtime versions quickly and safely.