Keepalived

High availability with VRRP floating IP failover

🐧 Linux🍎 Mac🪟 Windows

Reviewed: 2026-06|Tested on: Kubernetes 1.29 · Terraform 1.8 · Ubuntu 22.04

What is this?

Keepalived provides a floating IP that moves to a backup server if the primary fails.

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Config files for Keepalived

Where to create or edit the main configuration — paths below match the setup steps.

/etc/keepalived/keepalived.conf
Location: Keepalived node
VRRP virtual IP and health checks

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Step 01

Linux

1sudo apt-get install -y keepalived
2sudo systemctl enable keepalived

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Step 02

Linux

1sudo nano /etc/keepalived/keepalived.conf
2# Configure virtual_ipaddress and priority
3sudo systemctl start keepalived

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Step 03

Linux

1ip addr show | grep inet
2sudo systemctl status keepalived