Load Balancing Archives

Networking tutorial - IT technology blog

High Availability Virtual IP with Keepalived and VRRP on Linux: A 6-Month Production Review

October 3, 2026

A single gateway crash can bring down an entire stack. Here is a 6-month production review of implementing High Availability Virtual IP using Keepalived and VRRP on Linux, featuring real metrics, configurations, and post-mortem lessons.

Networking

Configuring ECMP Routing on Linux: Load Balance Multiple Gateways with iproute2

July 19, 2026

Don't let your backup ISP link sit idle. Learn how to use ECMP with iproute2 to load balance traffic across multiple gateways for better speed and reliability.

Networking

Scaling Traffic with Linux Virtual Server (LVS): High-Performance Layer 4 Load Balancing

July 19, 2026

Ditch user-space bottlenecks. Master LVS/IPVS to build high-performance Layer 4 load balancers using NAT and Direct Routing for massive scalability.

Database

Scaling PostgreSQL: A Practical Guide to Pgpool-II Load Balancing and HA

June 8, 2026

Build a resilient PostgreSQL cluster with Pgpool-II. This guide walks through configuring Load Balancing, Watchdog HA, and automated failover to handle traffic spikes without downtime.

Networking

Ubuntu Dual WAN Load Balancing and Failover with IPRoute2 and Netplan

May 21, 2026

Learn how to configure Dual WAN Load Balancing and Failover on Ubuntu Server using IPRoute2 and Netplan. This guide covers policy-based routing and automated health checks for high-availability networking.

Database

Scaling MySQL with ProxySQL: From Master Screams to Production Stability

May 5, 2026

Scale your MySQL environment effectively. This guide shows you how to implement ProxySQL for read/write splitting, reduce CPU load via connection pooling, and handle replication lag automatically.

Networking

DIY SD-WAN: How We Used pfSense to Kill Downtime in Our Small Office

April 23, 2026

Tired of internet outages? Learn how to combine two ISP connections into one rock-solid network using pfSense, load balancing, and smart failover tactics.

Linux

Network Bonding and Teaming on Linux: Boost Speed and Ensure Redundancy

March 28, 2026

After six months of continuous operation, I'm sharing my experience with network bonding and teaming on Linux. Learn how to combine multiple network cards to boost speed, ensure failover redundancy, and significantly improve network performance on your servers.