This guide breaks down the major Linux distributions—Debian, Ubuntu, Arch, RHEL, Fedora, Alpine, and others—explaining their package managers, stability trade‑offs, target use cases, and which one fits beginners, servers, containers, learning, or Chinese enterprise environments.
This guide explains why extundelete can restore files deleted with rm on ext3/ext4 partitions, walks through installing the tool on various RHEL versions, shows how to safely stop writes, identify the affected partition, execute single‑file, directory or full‑partition recovery commands, verify results, and avoid common pitfalls, while also offering preventive measures to reduce future data loss.
This guide explains how Linux syslog collects system messages, details common log files and their purposes, describes syslogd, klogd, and logrotate services, shows log formats, configuration syntax, and provides step‑by‑step examples for setting up both log receivers and senders.
This guide provides a step‑by‑step tutorial for installing MiniKube on RHEL 8, covering system updates, required dependencies, Docker and kubectl installation, MiniKube binary setup, cluster startup, verification, and optional add‑ons, ensuring a functional local Kubernetes environment.
This article surveys the most popular Linux distributions—including Red Hat Enterprise Linux, Gentoo, Debian, Ubuntu, Linux Mint, Fedora, Kali Linux, CentOS Stream, Arch Linux, and OpenSUSE—highlighting their target audiences, key features, package management, and typical use cases for desktop, server, and security environments.
This guide explains what Linux distributions are, how open‑source licenses enable them, compares popular distros such as Ubuntu, Fedora, Mint, RHEL, SUSE and Kali, and helps newcomers decide which distro best fits their desktop, server or security needs.
The article explains that CentOS Linux 8 ceased updates at the end of 2021 and CentOS 7 will reach end‑of‑support on June 30, 2024, describes the shift to CentOS Stream, and outlines several alternative operating systems—including Rocky Linux, Ubuntu, RHEL, and domestic Chinese distributions—providing guidance for enterprises and developers on migration paths.
The article examines Red Hat's decision to close RHEL source access, traces the historical relationship between CentOS and RHEL, explains how CentOS Stream now receives updates via community feedback, and evaluates Ubuntu Pro's long‑term support as an alternative for enterprise cloud deployments.
Three major IT companies—SUSE, Oracle, and CIQ—have formed the Open ELA alliance to provide source code for RHEL‑compatible downstream Linux distributions, offering a community‑driven alternative after Red Hat’s termination of CentOS, aiming to ensure stable, secure, and freely redistributable enterprise Linux.
Red Hat announced that it will stop maintaining the LibreOffice RPMS packages for future RHEL releases, labeling them as orphaned and encouraging users to adopt the Flatpak version while refocusing engineering effort on Wayland, HDR and related display improvements.
The article explains why CentOS is being phased out, outlines the advantages of adopting AlmaLinux as a stable, RHEL‑compatible replacement, describes its migration tools and community support, and compares other viable CentOS alternatives such as Rocky Linux and Oracle Linux.
The article explains why AlmaLinux, a free RHEL‑compatible distribution, is a stable, financially backed alternative to CentOS, detailing its binary compatibility, seamless migration tools, support for server and desktop editions, and suitability for large cloud infrastructures.
Rocky Linux 9 builds on RHEL 9 with the open‑source Peridot build system and introduces major security upgrades, modern networking tools, GNOME 40 desktop improvements, and filesystem enhancements like XFS DAX support, positioning it as a compelling RHEL‑compatible enterprise OS.
The article reviews the end of CentOS, introduces the newly released RHEL 8.6, AlmaLinux 8.6 and Rocky Linux 8.6, compares their components, platform support, and community backing, helping readers decide which RHEL‑compatible distribution fits their needs.
Red Hat confirmed that CentOS Linux 8 will reach its End of Life on December 31, 2021, shifting the CentOS project to the developer‑focused CentOS Stream platform and outlining support timelines, migration options, and alternative distributions for enterprise users.
CentOS Stream 9, released before CentOS Linux 8’s end‑of‑life, serves as a continuously delivered distro that mirrors RHEL’s upcoming releases, using Fedora 34 as its base and undergoing rigorous testing to ensure stability comparable to RHEL itself.
RHEL 8.5, the latest Red Hat Enterprise Linux release, brings extensive container, Kubernetes, Ansible system‑role, and performance‑monitoring improvements—including Podman image support, signed container images, rootless OverlayFS, enhanced Cockpit console, and new roles for VPN, Postfix, LVM VDO, and Microsoft SQL Server—making it ready for any platform.
The article explains that CentOS 8 will cease maintenance next year, ending the free RHEL rebuild, introduces CentOS Stream as a rolling‑release bridge between Fedora and RHEL, and outlines the impact on CentOS 7 and the need to consider alternative distributions.
With CentOS 8 reaching end‑of‑life and CentOS Stream becoming the sole upstream for RHEL, Oracle Linux emerges as a free, highly compatible RHEL‑based distribution offering long‑term support, a stable kernel, and a viable path for displaced CentOS users.
Red Hat announced the end of the free CentOS Linux distribution, replacing it with the rolling‑release CentOS Stream, and detailed the support timelines for CentOS 7 and 8, urging users to consider RHEL subscriptions, build their own rebuilds, or migrate to alternative platforms.
This article explains how to create and use Kickstart answer files for fully automated RHEL 8 installations, covering each directive, package selection, and the steps to add the Kickstart path to both BIOS/Legacy and UEFI boot menus, complete with example code.
This guide walks you through configuring software network bridges on RHEL/CentOS 8, covering command‑line setup with nmcli, graphical creation via Cockpit and nm‑connection‑editor, and applying the bridges in Oracle VirtualBox and KVM virtual machines.
This guide details how to prepare two RHEL 7.4 nodes, configure a local Yum repository and HTTP server, set up password‑less SSH, adjust SELinux and iptables, distribute configuration files with Ansible, install Docker and a private registry, and finally deploy an OpenShift 3.11 cluster using the openshift‑ansible playbooks.
This guide walks through planning server and software environments, installing and configuring keepalived on Red Hat Enterprise Linux 5, creating master‑backup VRRP instances, integrating a Tomcat health‑check script, monitoring logs, testing failover, and troubleshooting common errors.
This guide provides step‑by‑step instructions for installing Zabbix 3.4 on RHEL 7, including repository setup, server, proxy and web‑frontend installation, MySQL database preparation, PHP configuration, service startup, and firewall adjustments.
This tutorial walks through building a complete Kubernetes cluster on RedHat 7 using yum‑based packages, covering etcd installation, master and minion setup, container‑to‑container networking with quagga, and optional kube‑ui deployment, while highlighting common pitfalls and providing reference resources.
This guide explains the fundamental concepts and layered architecture of high‑availability clusters, details the software components for each layer, compares RHEL/CentOS solutions, and provides step‑by‑step instructions for configuring heartbeat2 with haresource, including node preparation, authentication, resource definitions, and service failover.
This guide explains what sosreport does on RHEL/CentOS, how to install the sos package, generate a system diagnostic report, locate the compressed output, and use various command‑line options to include or exclude specific modules.
This article outlines the origins, release cycle, commercial licensing, feature set, and derivative distributions of Red Hat Enterprise Linux, focusing on version 7’s hardware support, kernel enhancements, storage, networking, virtualization, container integration, toolchain, and system management capabilities.
