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Keepalived

158 articles · Page 2 of 2
Top Architect
Top Architect
Sep 24, 2021 · Backend Development

Comprehensive Guide to Nginx Rewrite Rules, Anti‑Hotlinking, Static/Dynamic Separation, and Keepalived High‑Availability Configuration

This article provides a step‑by‑step tutorial on configuring Nginx rewrite rules, implementing anti‑hotlinking protection, separating static and dynamic resources, and setting up Keepalived for high‑availability, complete with detailed code examples and deployment instructions.

Keepalivedanti-hotlinkingload balancing
0 likes · 22 min read
Comprehensive Guide to Nginx Rewrite Rules, Anti‑Hotlinking, Static/Dynamic Separation, and Keepalived High‑Availability Configuration
Ops Development Stories
Ops Development Stories
Sep 17, 2021 · Operations

Master Keepalived: Build Reliable Linux Load‑Balancing and HA

This guide explains Keepalived’s role in Linux load‑balancing and high‑availability, covering its VRRP‑based architecture, core modules, layered operation, configuration syntax, practical deployment with Nginx, common split‑brain issues, and advanced settings such as nopreempt and multicast conflict resolution.

HAKeepalivedVRRP
0 likes · 21 min read
Master Keepalived: Build Reliable Linux Load‑Balancing and HA
Liangxu Linux
Liangxu Linux
Aug 22, 2021 · Operations

Build Nginx High Availability with Keepalived on Linux

This guide explains how to achieve high availability for Nginx by deploying a dual‑machine keepalived setup, covering the concepts of HA, VRRP, configuration of keepalived on master and backup nodes, a health‑check script, and step‑by‑step commands to test automatic failover.

High AvailabilityKeepalivedLinux
0 likes · 9 min read
Build Nginx High Availability with Keepalived on Linux
UCloud Tech
UCloud Tech
Jun 23, 2021 · Operations

Hands‑On DR Mode LVS Load Balancing with Keepalived: Step‑by‑Step Guide

This article walks through a practical setup of LVS DR mode load balancing on four UCloud servers, covering network configuration, ARP tweaks, ipvsadm rules, VIP assignment, troubleshooting steps, and implementing high‑availability with Keepalived, complete with command examples and visual screenshots.

DR modeKeepalivedLVS
0 likes · 10 min read
Hands‑On DR Mode LVS Load Balancing with Keepalived: Step‑by‑Step Guide
ITFLY8 Architecture Home
ITFLY8 Architecture Home
May 30, 2021 · Backend Development

Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Guide

This comprehensive guide explains Nginx’s core concepts—including reverse and forward proxy, load balancing, static‑dynamic separation, common commands, configuration blocks, and high‑availability setup with keepalived—providing step‑by‑step examples, diagrams, and practical tips for deploying scalable, high‑performance web services.

ConfigurationHigh AvailabilityKeepalived
0 likes · 12 min read
Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Guide
Efficient Ops
Efficient Ops
May 25, 2021 · Operations

Master HAProxy: From Basics to High-Availability L7/L4 Load Balancing

This comprehensive guide explains what HAProxy is, its core functions and key features, then walks through installing, configuring, and running both L7 and L4 load balancers on Linux, adding logging, log rotation, monitoring, and achieving high availability with Keepalived.

ConfigurationHAProxyHigh Availability
0 likes · 30 min read
Master HAProxy: From Basics to High-Availability L7/L4 Load Balancing
Practical DevOps Architecture
Practical DevOps Architecture
Mar 12, 2021 · Operations

Introduction to LVS Load Balancing and Its Scheduling Strategies

This article introduces LVS, a layer‑4 load‑balancing tool, explains its advantages over layer‑7 solutions like Nginx, describes how combining LVS with Nginx and Keepalived creates a highly available, horizontally scalable architecture, and details the three scheduling modes VS/NAT, VS/TUN, and VS/DR.

KeepalivedLVSNetwork
0 likes · 5 min read
Introduction to LVS Load Balancing and Its Scheduling Strategies
Liangxu Linux
Liangxu Linux
Mar 8, 2021 · Operations

Mastering Nginx: Reverse Proxy, Load Balancing, and High‑Availability Setup

This guide explains Nginx’s core concepts—including forward and reverse proxy, load‑balancing strategies, static‑dynamic separation, installation commands, configuration file anatomy, practical reverse‑proxy and load‑balancing examples, and a Keepalived high‑availability solution—providing step‑by‑step instructions and essential code snippets for reliable backend deployment.

ConfigurationHigh AvailabilityKeepalived
0 likes · 11 min read
Mastering Nginx: Reverse Proxy, Load Balancing, and High‑Availability Setup
Architect
Architect
Feb 21, 2021 · Operations

Comprehensive Guide to Installing, Configuring, and Using HAProxy for L7/L4 Load Balancing and High Availability

This tutorial explains what HAProxy is, its core capabilities and key features, provides step‑by‑step instructions for installing and running it on CentOS 7, demonstrates how to build both L7 and L4 load balancers, details essential configuration options, and shows how to achieve high availability with Keepalived, all illustrated with practical code examples and screenshots.

HAProxyKeepalivedL4
0 likes · 27 min read
Comprehensive Guide to Installing, Configuring, and Using HAProxy for L7/L4 Load Balancing and High Availability
dbaplus Community
dbaplus Community
Jan 4, 2021 · Backend Development

HAProxy vs Nginx for MySQL 8.0 MGR: Which Load Balancer Performs Better?

This article details a practical performance and high‑availability comparison of HAProxy and Nginx as software load balancers for a MySQL 8.0 InnoDB Cluster (MGR) setup, covering environment configuration, Keepalived integration, test methodology, results, and final recommendations.

HAProxyKeepalivedNGINX
0 likes · 10 min read
HAProxy vs Nginx for MySQL 8.0 MGR: Which Load Balancer Performs Better?
Open Source Linux
Open Source Linux
Oct 10, 2020 · Cloud Native

How to Build a Highly Available Kubernetes Cluster on CentOS with HAProxy and Keepalived

This step‑by‑step guide shows how to prepare five CentOS 7.5+ machines, configure hostnames, SSH keys, kernel upgrades, firewall and swap settings, set up Docker and Kubernetes repositories, install Docker, kubeadm, kubelet and kubectl, configure HAProxy + Keepalived for a VIP, initialize a multi‑master cluster, apply the Flannel network plugin, and verify the deployment with an Nginx pod and the Kubernetes dashboard.

CentOSCluster SetupDocker
0 likes · 33 min read
How to Build a Highly Available Kubernetes Cluster on CentOS with HAProxy and Keepalived
Top Architect
Top Architect
Oct 3, 2020 · Backend Development

Nginx Knowledge Map: Reverse Proxy, Load Balancing, Static/Dynamic Separation, High Availability and Practical Configuration

This article provides a comprehensive guide to Nginx, covering its architecture, forward and reverse proxy concepts, load‑balancing strategies, static‑dynamic separation, installation commands, configuration file structure, practical reverse‑proxy and load‑balancing examples, and high‑availability setup using Keepalived.

High AvailabilityKeepalivedReverse Proxy
0 likes · 10 min read
Nginx Knowledge Map: Reverse Proxy, Load Balancing, Static/Dynamic Separation, High Availability and Practical Configuration
Efficient Ops
Efficient Ops
Sep 13, 2020 · Operations

Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Essentials

This guide explains Nginx’s core concepts—including reverse proxy, load balancing, static‑dynamic separation, common commands, configuration blocks, and high‑availability setup with Keepalived—providing step‑by‑step examples and practical diagrams for reliable web service deployment.

ConfigurationHigh AvailabilityKeepalived
0 likes · 11 min read
Master Nginx: Reverse Proxy, Load Balancing, and High‑Availability Essentials
MaGe Linux Operations
MaGe Linux Operations
Sep 11, 2020 · Cloud Native

How to Build a Highly Available Kubernetes Cluster with kubeadm on CentOS 7

This guide walks through setting up a highly available Kubernetes cluster on five CentOS 7 machines using kubeadm, configuring keepalived and HAProxy for load balancing, disabling swap and SELinux, installing Docker, initializing the control plane, joining master and worker nodes, deploying Calico networking, and verifying the cluster’s functionality.

CentOSDockerKeepalived
0 likes · 18 min read
How to Build a Highly Available Kubernetes Cluster with kubeadm on CentOS 7
Architect's Tech Stack
Architect's Tech Stack
Aug 26, 2020 · Operations

Step‑by‑Step Deployment of Frontend and Backend High‑Availability Services Using Docker, Nginx and Keepalived

This tutorial explains how to solve physical‑machine shortages and achieve high availability by installing Docker, configuring Keepalived for virtual IP failover, setting up Nginx load balancing, building backend Docker images, deploying master‑slave containers, and verifying the setup with Portainer.

High AvailabilityKeepalivedNGINX
0 likes · 27 min read
Step‑by‑Step Deployment of Frontend and Backend High‑Availability Services Using Docker, Nginx and Keepalived
MaGe Linux Operations
MaGe Linux Operations
Jul 14, 2020 · Operations

How Keepalived Enables High-Availability Load Balancing with VRRP

Keepalived, originally designed for LVS load balancing, provides VRRP-based high‑availability by managing LVS nodes, performing health checks, and offering failover for services like Nginx, HAProxy, and MySQL, while also addressing split‑brain scenarios and non‑preemptive configurations.

KeepalivedOperationsVRRP
0 likes · 10 min read
How Keepalived Enables High-Availability Load Balancing with VRRP
Ops Development Stories
Ops Development Stories
May 24, 2020 · Cloud Native

How to Deploy Rancher on K3s with Nginx, Keepalived, and MySQL

This guide walks through preparing the environment, installing required tools, configuring firewalls, setting up host files, deploying Nginx with Keepalived for high‑availability, installing Docker, MySQL, and finally installing K3s and Rancher using Helm, including certificate creation and troubleshooting steps.

DockerK3sKeepalived
0 likes · 16 min read
How to Deploy Rancher on K3s with Nginx, Keepalived, and MySQL
Ops Development Stories
Ops Development Stories
Dec 27, 2019 · Databases

Step-by-Step Guide to Building a Secure OpenLDAP Server with High Availability

This comprehensive tutorial walks you through preparing the environment, installing and configuring OpenLDAP on CentOS, securing it with TLS/SSL, setting up phpldapadmin, defining ACLs, enabling master‑slave replication, and implementing Keepalived for VIP‑based high availability, all with ready‑to‑use scripts and configuration files.

High AvailabilityKeepalivedLDAP setup
0 likes · 68 min read
Step-by-Step Guide to Building a Secure OpenLDAP Server with High Availability
Aikesheng Open Source Community
Aikesheng Open Source Community
May 10, 2019 · Operations

Implementing Load Balancing for DBLE Using Lvs and Keepalived

This article details the design and implementation of a high‑availability load‑balancing solution for the DBLE distributed middleware using Lvs and Keepalived, covering environment setup, configuration, experimental scenarios, performance testing, and troubleshooting tips to ensure stable and balanced traffic distribution.

DBLEHigh AvailabilityKeepalived
0 likes · 13 min read
Implementing Load Balancing for DBLE Using Lvs and Keepalived
21CTO
21CTO
Sep 12, 2018 · Operations

How to Build a High‑Availability Web Service on CentOS 7 with Keepalived & LVS

This guide walks you through setting up a highly available web service on CentOS 7 by using Vagrant to create four virtual machines, installing Keepalived and OpenResty, configuring VRRP and LVS for load balancing, binding a virtual IP, and testing failover to ensure continuous service delivery.

CentOSHigh AvailabilityKeepalived
0 likes · 13 min read
How to Build a High‑Availability Web Service on CentOS 7 with Keepalived & LVS
MaGe Linux Operations
MaGe Linux Operations
Jul 27, 2018 · Operations

Mastering Keepalived: Step‑by‑Step Server Load Balancing on Linux

This guide walks through planning the server and software environment, installing and configuring keepalived, setting up master‑backup VRRP instances, monitoring logs, handling failover, checking virtual IPs, troubleshooting common errors, and adding a Tomcat service script for high‑availability Linux deployments.

High AvailabilityKeepalivedLinux
0 likes · 16 min read
Mastering Keepalived: Step‑by‑Step Server Load Balancing on Linux
MaGe Linux Operations
MaGe Linux Operations
Mar 9, 2018 · Operations

Build a High‑Availability Web Cluster with Keepalived on Linux

This guide walks through installing, compiling, and configuring Keepalived across multiple Linux nodes to create a VRRP‑based high‑availability web service cluster, covering prerequisites, virtual IP setup, load‑balancing rules, and monitoring tools.

High AvailabilityKeepalivedload balancing
0 likes · 6 min read
Build a High‑Availability Web Cluster with Keepalived on Linux
ITPUB
ITPUB
Mar 15, 2017 · Operations

Mastering LVS: Complete Guide to Linux Load Balancing (NAT, DR, TUN) and HA

This article provides a comprehensive overview of Linux Virtual Server (LVS) load‑balancing clusters, detailing core concepts, packet‑flow mechanisms, key terminology, NAT/DR/TUN modes, scheduling algorithms, step‑by‑step configuration scripts, and high‑availability setup with keepalived, all illustrated with diagrams and command examples.

High AvailabilityKeepalivedLVS
0 likes · 22 min read
Mastering LVS: Complete Guide to Linux Load Balancing (NAT, DR, TUN) and HA
MaGe Linux Operations
MaGe Linux Operations
Jan 18, 2017 · Backend Development

Mastering High-Availability Load Balancing with LVS, Keepalived, and Nginx

This article explains the principles and practical deployment steps for high‑availability web architectures using LVS (NAT and DR modes), Keepalived clustering, and Nginx proxy, covering topology diagrams, IPVS rules, weighted scheduling, kernel tweaks, and testing procedures to ensure reliable load balancing.

KeepalivedLVSNGINX
0 likes · 10 min read
Mastering High-Availability Load Balancing with LVS, Keepalived, and Nginx
MaGe Linux Operations
MaGe Linux Operations
Sep 11, 2016 · Operations

Master Keepalived: Step-by-Step HA Setup for Nginx with VIP Failover

This guide walks through installing and configuring Keepalived on two CentOS servers to provide automatic Nginx health checking, virtual IP failover, and high‑availability load balancing, including scripts, service commands, and advanced iptables techniques to avoid packet loss during maintenance.

KeepalivedNGINXVIP Failover
0 likes · 10 min read
Master Keepalived: Step-by-Step HA Setup for Nginx with VIP Failover
ITPUB
ITPUB
Aug 30, 2016 · Operations

Build a Dual‑Master HAProxy + Keepalived Load Balancer for Zero Downtime

This guide walks through setting up a high‑availability HAProxy and Keepalived dual‑master configuration, detailing the experiment environment, installation steps, keepalived scripts, and testing procedures that ensure continuous service even if one node fails.

HAProxyHigh AvailabilityKeepalived
0 likes · 6 min read
Build a Dual‑Master HAProxy + Keepalived Load Balancer for Zero Downtime
ITPUB
ITPUB
Aug 2, 2016 · Databases

How to Build a Highly Available MySQL Cluster with HAProxy and Keepalived on OpenStack

This guide walks through configuring a Percona XtraDB Cluster on three OpenStack nodes, disabling SELinux and firewalls, installing and tuning MySQL, setting up HAProxy for load balancing, deploying Keepalived for failover, and verifying high‑availability with practical test steps.

HAProxyHigh AvailabilityKeepalived
0 likes · 13 min read
How to Build a Highly Available MySQL Cluster with HAProxy and Keepalived on OpenStack
dbaplus Community
dbaplus Community
Jun 29, 2016 · Cloud Native

How to Build a Highly Available Kubernetes Master on Private Cloud

This guide walks through constructing a Kubernetes master high‑availability environment on a private‑cloud Ubuntu 14.04 platform, covering full component containerization, external load‑balancer setup with HAProxy and Keepalived, static pod configuration, privileged mode requirements, flannel networking, common pitfalls, and future HA master developments.

FlannelHAProxyHigh Availability
0 likes · 16 min read
How to Build a Highly Available Kubernetes Master on Private Cloud
21CTO
21CTO
May 1, 2016 · Databases

How to Build MySQL Master‑Master HA with LVS and Keepalived

This guide explains how to achieve high‑availability MySQL master‑master replication by combining LVS load balancing with Keepalived failover, covering installation, configuration, script creation, service management, testing, and a concise summary of the solution.

KeepalivedLVSMaster-Master Replication
0 likes · 14 min read
How to Build MySQL Master‑Master HA with LVS and Keepalived
Efficient Ops
Efficient Ops
Nov 24, 2015 · Operations

Achieve Web High Availability and Static/Dynamic Separation with HAProxy & Keepalived

This article walks through implementing web high availability and static‑dynamic content separation using HAProxy combined with Keepalived, covering load‑balancing concepts, VRRP basics, step‑by‑step configuration of time sync, hostnames, SSH trust, installing required packages, and testing failover scenarios.

HAProxyHigh AvailabilityKeepalived
0 likes · 13 min read
Achieve Web High Availability and Static/Dynamic Separation with HAProxy & Keepalived
21CTO
21CTO
Aug 13, 2015 · Backend Development

Mastering LVS and Keepalived: Build a High‑Performance Load‑Balancing Cluster

This article explains the fundamentals of load balancing, introduces Linux Virtual Server (LVS) and its architecture, and provides a step‑by‑step guide to set up a DR‑mode LVS cluster with Keepalived on CentOS, including configuration, testing, and failover verification.

DR modeKeepalivedLVS
0 likes · 19 min read
Mastering LVS and Keepalived: Build a High‑Performance Load‑Balancing Cluster
Art of Distributed System Architecture Design
Art of Distributed System Architecture Design
Jul 6, 2015 · Operations

Design and Implementation of a Two‑Node High Availability Architecture Using Keepalived, Nginx, MySQL, and Atlas

This article describes a complete two‑machine high‑availability solution that uses keepalived to manage virtual IPs, Nginx for load‑balancing, MySQL GTID replication with Atlas as a proxy, and detailed configuration and fail‑over testing steps to ensure seamless service continuity.

ATLASKeepalivedLinux
0 likes · 16 min read
Design and Implementation of a Two‑Node High Availability Architecture Using Keepalived, Nginx, MySQL, and Atlas