Complete Beginner
New to Linux? Start with installation and gradually learn the command line and service management.
RunEntLinux — Enterprise Linux Learning Platform
Enterprise Linux
Learning & Practice
Learning & Practice
A comprehensive tutorial platform for EL distributions. From beginner guides to production best practices, master the Enterprise Linux ecosystem step by step.
CentOS StreamAlmaLinuxRocky LinuxOracle LinuxAnolis OSOpenCloudOS
50,000+Packages
10 YearsMajor Version Support
x86_64 / ARMMulti-Architecture
RHELEcosystem Compatible
Choose Your Path
Section titled “Choose Your Path”Linux Experience
Familiar with other distros? Jump straight into DNF, systemd, and SELinux.
CentOS Migration
Need to migrate from CentOS to a supported distribution?
Operations
Security hardening, service deployment, performance tuning, troubleshooting.
Getting Started
Section titled “Getting Started”| Method | Difficulty | Time | Best For |
|---|---|---|---|
| Cloud Server (AWS/GCP/Azure) | Easy | 5 min | Hands-on server management |
| Virtual Machine (VirtualBox/VMware) | Easy | 15 min | Zero-risk exploration |
| KVM/libvirt | Medium | 20 min | Existing Linux systems |
| Bare Metal | Medium | 30 min | Dedicated server deployment |
All Sections
Section titled “All Sections” Getting Started Welcome, distro overview, learning paths, downloads
Installation Install, initial setup, SSH remote access
Package Management DNF / RPM / Repositories / EPEL
Users & Permissions Users, groups, sudo, file permissions, ACL
Systemd Service management, journal logs, timers
Networking NetworkManager, IP, DNS, Firewall
Storage Disk partitioning, LVM, filesystems, NFS
Security SELinux, SSH hardening, audit, auto-updates
Containers Podman, Docker, KVM
Services Nginx, Apache, MySQL, PostgreSQL, Redis
Best Practices Monitoring, backup, HA, logging, performance
Cloud cloud-init, Terraform, Ansible, object storage
AI Tools Ollama, vLLM, Claude Code, Stable Diffusion
Migration CentOS → AlmaLinux / Rocky Linux
Troubleshooting Methodology, boot/network/performance issues
Reference Command cheatsheet, glossary, version timeline
Linux Documentation Alliance
Section titled “Linux Documentation Alliance”Debian.Club | Ubuntu.Fan | RunEntLinux | AlmaLinuxCN
Recommended
Section titled “Recommended”Check software end-of-life dates: EOL.Wiki
AI-native open-source server control panel: WebCasa
Lightweight web server highly compatible with Apache HTTPD: LiteHTTPD
Minimal link-in-bio and personal landing page services: HiEmdash | QOO.IM
RunEntLinux is an open-source documentation project covering CentOS Stream, AlmaLinux, Rocky Linux, Oracle Linux, Anolis OS, OpenCloudOS, and the broader Enterprise Linux ecosystem. All content is licensed under CC BY-SA 4.0. Contributions welcome.
