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IT Xianyu
IT Xianyu
Jun 6, 2025 · Cloud Native

Master Kubernetes on AlmaLinux: Step‑by‑Step Setup with Containerd, kubeadm, and More

This guide walks you through preparing three AlmaLinux servers, disabling firewalls and SELinux, installing Containerd as the CRI, adding Kubernetes repositories, installing kubeadm, kubelet and kubectl, configuring the runtime, and verifying each component so you can confidently bootstrap a production‑ready Kubernetes cluster.

AlmaLinuxKubeletKubernetes
0 likes · 21 min read
Master Kubernetes on AlmaLinux: Step‑by‑Step Setup with Containerd, kubeadm, and More
IT Xianyu
IT Xianyu
Jun 5, 2025 · Operations

Diagnose MySQL Slow Queries on AlmaLinux: One‑Click Shell Monitoring Scripts

Learn how to quickly pinpoint MySQL performance bottlenecks on AlmaLinux by using built‑in tools like top, iotop, ss, and netstat, and automate snapshot collection with a simple Bash script that records system and container metrics for later analysis.

AlmaLinuxDockerMySQL
0 likes · 20 min read
Diagnose MySQL Slow Queries on AlmaLinux: One‑Click Shell Monitoring Scripts
IT Xianyu
IT Xianyu
May 20, 2025 · Operations

Building a Three‑Server High‑Availability MySQL Cluster with HAProxy on Almalinux

This guide explains why three servers are needed for high availability, walks through hardware and software preparation, network configuration, MySQL master‑slave replication setup, HAProxy load‑balancing, and firewall/SELinux adjustments, providing complete command‑line examples for each step.

AlmaLinuxHAProxyLinux operations
0 likes · 8 min read
Building a Three‑Server High‑Availability MySQL Cluster with HAProxy on Almalinux
IT Xianyu
IT Xianyu
Apr 27, 2025 · Operations

How to Migrate from CentOS 7 to AlmaLinux 8 and AlmaLinux 9: A Step‑by‑Step Guide

After CentOS 7 reaches end‑of‑life on June 30 2024, this guide explains why you must migrate, outlines three essential pre‑migration preparations, and provides detailed step‑by‑step commands to upgrade first to AlmaLinux 8 and then to AlmaLinux 9, including post‑migration checks and common pitfalls.

AlmaLinuxCentOSFirewall
0 likes · 8 min read
How to Migrate from CentOS 7 to AlmaLinux 8 and AlmaLinux 9: A Step‑by‑Step Guide
DevOps Operations Practice
DevOps Operations Practice
May 5, 2024 · Operations

Top 4 CentOS Alternatives: AlmaLinux, Rocky Linux, Ubuntu, and Debian

With the discontinuation of CentOS Linux, this article evaluates four leading replacement operating systems—AlmaLinux, Rocky Linux, Ubuntu, and Debian—based on stability, long‑term support, and compatibility for enterprise environments.

AlmaLinuxCentOSDebian
0 likes · 5 min read
Top 4 CentOS Alternatives: AlmaLinux, Rocky Linux, Ubuntu, and Debian
DevOps Operations Practice
DevOps Operations Practice
Mar 12, 2024 · Operations

Top Linux Distributions to Replace CentOS: Ubuntu, AlmaLinux, Rocky Linux, and Debian

With the end of CentOS Linux, this article reviews four widely‑used, enterprise‑grade Linux distributions—Ubuntu, AlmaLinux, Rocky Linux, and Debian—detailing their origins, features, compatibility with CentOS, and suitability for production environments.

AlmaLinuxCentOSDebian
0 likes · 4 min read
Top Linux Distributions to Replace CentOS: Ubuntu, AlmaLinux, Rocky Linux, and Debian
DevOps Operations Practice
DevOps Operations Practice
Feb 19, 2023 · Operations

AlmaLinux vs Rocky Linux: Feature Comparison, Security, Community, and Enterprise Support

The article compares AlmaLinux and Rocky Linux—both RHEL‑based, CentOS‑compatible distributions—detailing their origins, feature parity, security tools, community activity, enterprise sponsorship, and concluding that while functionality is similar, differences in support and funding drive long‑term sustainability decisions.

AlmaLinuxCentOS replacementLinux
0 likes · 6 min read
AlmaLinux vs Rocky Linux: Feature Comparison, Security, Community, and Enterprise Support
Laravel Tech Community
Laravel Tech Community
Nov 27, 2022 · Operations

Why Choose AlmaLinux as a CentOS Replacement: Benefits, Migration Tools, and Alternatives

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.

AlmaLinuxCentOSLinux
0 likes · 7 min read
Why Choose AlmaLinux as a CentOS Replacement: Benefits, Migration Tools, and Alternatives
Efficient Ops
Efficient Ops
Jun 8, 2022 · Operations

What Are the Best CentOS 8 Alternatives in 2022? A Practical Guide

This article explains why CentOS 8 reached end‑of‑life, introduces CentOS Stream, and reviews seven server‑grade Linux distributions—including Ubuntu, Oracle Linux, openSUSE, AlmaLinux, Rocky Linux, VzLinux, and Springdale Linux—as viable replacements for CentOS 8 in 2022.

AlmaLinuxCentOSLinux
0 likes · 8 min read
What Are the Best CentOS 8 Alternatives in 2022? A Practical Guide