#redhat-linux

Mastering Disk Partitioning in Red Hat Enterprise Linux (RHEL)

When installing Red Hat Enterprise Linux (RHEL), most users simply select the Automatic Partitioning option and continue the installation…

How I Added a Linux Client to FreeIPA for Centralized Authentication

Introduction

Red Hat Satellite Upgrade Runbook: 6.16 to 6.19 Step-by-Step

Red Hat Satellite Upgrade Runbook: 6.16 to 6.19 Step-by-Step

How I Built a FreeIPA LDAP Server as an Identity Provider for OpenShift Cluster

Introduction

Linux Server Hardening — Real World Introduction

A days ago, during a routine security review, an organization discovered that one of its Linux servers had been accessible from the…

Kernel Headers Not Found and the devel RPM Is Missing: Rebuilding the Tree From the Running Kernel

Reconstructing a Missing kernel-lt-devel Package for an Out-of-Tree Driver Build

CVE-2026-11332: How I found an Argument Injection in Ansible, leading to RCE

By Tommaso Bona (ParzivalHack), Independent Security Researcher

Why Companies Prefer Engineers with Linux Training Skills

In today’s technology-driven world, companies are constantly searching for IT professionals who can manage secure, scalable, and reliable…

Red Hat Enterprise Linux 10.2 & 9.8 Released: Key Features Every Linux Administrator Should Know🐧

Red Hat continues to evolve enterprise Linux with the release of RHEL 10.2 and RHEL 9.8, introducing AI-powered administration, enhanced…

Containerizing Samba with Active Directory on RHEL: The Definitive Guide

So, you want to set up a file share on a fresh Red Hat Enterprise Linux (RHEL) instance, but you don’t want to pollute your pristine host…

50 Linux Commands + Essential Interview Questions Every DevOps and Cloud Engineer Should Know

Linux is everywhere.

How I Prevented Apache HTTPD Logs from Filling My Linux Server Disk by logrotate

One of the most common mistakes in Linux administration is ignoring Apache logs until the server suddenly runs out of disk space.

Red Hat Stratis ve LVM: Linux Depolama Yönetiminde Mimari Karşılaştırma

Linux sistemlerinde depolama yönetimi, yıllar içinde disk bölümlendirmeden (partitioning) soyutlanmış mantıksal birimlere (Logical Volumes)…

How Legacy Oracle Systems Became a Growth Engine for a Middle East Cement Manufacturer by Improving…

In manufacturing, operational efficiency depends heavily on stable and high-performing enterprise systems. When production, supply chain…

NTP Setup Between Two Linux Servers Using Chrony — Production-Ready Guide

In any system, time is not just a background detail — it’s a core dependency. Every log entry, authentication request, scheduled job, and…

Automated Website Hosting on AWS EC2 with Nginx (Red Hat AMI)

Automating EC2 Setup Using User Data Scripts for Nginx Deployment

The Hidden PE That Breaks Your LVM Assumptions

In the world of Red Hat Enterprise Linux and DevOps, we like to think that LVM is deterministic: you calculate your LV size, multiply by…

Red Hat Enterprise Linux 10: Geçmişten Geleceğe Kurumsal Linux

Red Hat Academy & Training: Best Red Hat Academy Institute in India for Certification and Linux…

Red Hat Academy training is a structured program designed to teach enterprise Linux administration, infrastructure automation, and system…

You Don’t Need to Remember Everything. You Just Need to Know How to Ask.

A practical guide to navigating Linux like someone who actually knows what they’re doing.

SELinux Troubleshooting

SELinux troubleshooting is the process of identifying and resolving access denials caused by SELinux policy enforcement — without disabling…

Here’s a short paragraph in English about a red cat:

The red cat is a beautiful and charming animal with soft, orange-colored fur that shines brightly in the sunlight.

Obtener IP addresses v4 and v6 desde Bash

Ahora que ya llevo un par de años usando RHEL para obtener el IP publica v4:

How to Attach a Red Hat Subscription to a RHEL System (Step-by-Step)

Red Hat Enterprise Linux (RHEL) requires an active subscription to access official repositories, updates, and security patches. Without a…

Linkerd Multicluster on OpenShift with Submariner

In this article, I’m going to guide you through the OpenShift networking architecture with OVN-Kubernetes, highlighting its behavior and…

AWX Inventories verstehen — Dynamisches VMware Inventory, Gruppen und gezielte Tasks

Mit wachsender Infrastruktur steigt nicht nur die Anzahl der Systeme, sondern auch die Komplexität ihrer Verwaltung. Virtuelle Maschinen…

RHCE Ad-hoc Commands: The Complete Study Guide for System Administrators

Master Ansible ad-hoc commands and ace your RHCE certification

Installing Ansible Automation Platform 2.6

Installing Ansible Automation Platform 2.6 (Growth Topology) on a Standalone Server

고정 마운트 대신 AutoFS를 통한 ZFS Automount 전환

AutoFS 기반 Indirect Map, Soft 옵션 적용 방법

RHCSA Prep Series: Deploy, Configure, and Maintain Systems — Keeping Linux Running Smoothly

In the last article, we explored creating and configuring file systems. But knowing how to carve out storage is only half the battle — a…

ZFS 스냅샷을 이용한 복원

ZFS 스냅샷으로 안전한 데이터 복원 및 증분 백업 관리

ZFS 스냅샷 기반 데이터 마이그레이션

ZFS 스냅샷을 이용한 ZFS 서버 간 데이터 마이그레이션

RHEL8 환경에서 ZFS 파일 시스템 구축 및 NFS 연동

ZFS zpool/dataset 생성 및 Quota/NFS 옵션 적용

LVM 제거 및 디스크 초기화

디스크 초기화를 통한 파일 시스템 변경 사전 설정

RHEL8 환경에서 NFS를 활용한 서버 간 파일 공유 및 중앙 디렉터리 관리

NFS 서버 설정 및 중앙 공유 디렉터리 구성

LVM 환경에서 사용자별 디스크 Quota 설정

EBS 기반 LVM에서 Quota 설정

LVM 기반 스토리지 구성

추가 EBS 볼륨 연결 및 LVM 스토리지 구축

vsFTP 서버 구축

리눅스 환경에서 vsFTP 서버 구축 및 사용자별 접근 제한 설정

Kickstart — Redhat 的快速安裝設定檔，製作 ISO 並安裝

最近終於開始覺得建 vm 要點來點去真的很浪費時間，尤其是建立多節點系統時，開的 vm 都差不多，但是都要在那裡點真的快要中風，研究好久，目前是可以用一些設定檔來用了，但還是不能做到全自動化，也是蠻可惜的

How to Set Up an Indirect AutoFS Mount on RHEL

If you’ve ever wanted to mount remote filesystems on demand without bloating your fstab or keeping stale mounts alive, then autofs is your…

Linux Mount Shared Folders on Linux and Windows Systems

✅ OPTION 1: SMB (Samba) — Good for cross-platform 🔵 On the source VM (10.20.38.39) 1. Install Samba

Chrony ile Zaman Senkronizasyonu

Chrony ile Zaman Senkronizasyonu

Linux Sistemlerde /etc/fstab Dosyası

/etc/fstab

AWS EC2'de OKD Kurulumu

RHEL 9 Root Password Recovery: Your Quick & Easy Solution to Regain Access

If you’ve lost your root password on RHEL 9 and can no longer access root privileges, there’s no need to panic. Follow these steps to reset…

Preboot Execution Environment (PXE) Boot Server in Linux

What is preboot execution environment (PXE)?

Title : Streamlining Migration from Red Hat to Oracle Linux

In this blog post, we delve into a compelling use case where the transition from Red Hat Enterprise Linux 9 to Oracle Enterprise Linux 9…

A Playful Tour of Amusing Terminal Tricks

Your Linux terminal can be more than just a tool — it can be a source of fun and amusement! In this blog post, we’ll explore entertaining…

#RHCACertification training program with https://softapptechnologies.com,#RHCA,#redhat,#RHCE,#linuxa

Docker Delights: Exploring Docker Tasks in RHEL9

Introduction: