High availability (HA) is a term that describes a website or application with maximum potential uptime and accessibility for the content stored on it. While a more basic system will be adequate to serve content to a low or medium number of users, it may include a single point of failure. In this video, Adrian from @zSecurity demonstrates how to deploy high availability applications.
0:00 – Introduction
0:30 – Principles of High Availability
3:11 – Why is HA Important?
4:45 – What Failover Model Are We Implementing?
6:25 – Examining our Workflow
7:05 – Server Setup
9:46 – Install keepalived
10:25 – Create Standby Instance
12:00 – Install keepalived on the Standby Instance
12:50 – Configuring keepalived.conf
19:25 – Process Tracking
22:11 – Conclusion
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Product: Linode, High Availability, Failover; @zSecurity ;