Skill map

Cloud networking

Designs connectivity, traffic flow, and isolation for cloud workloads. As Cloud Engineer needs it.

Careers that require it

Concrete operational procedures from the courses on this page.

How to rotate the Consul gossip encryption key
Replacing the shared Serf gossip key on a running datacenter without partitioning any agent, and what changes when the datacenters are WAN-federated.
HashiCorp Consul
How to restore a Consul cluster from a Raft snapshot after quorum loss
Recovering a Consul server cluster that has lost quorum, and where the peers.json Raft rebuild ends and a consul snapshot restore begins.
HashiCorp Consul
How to bootstrap ACLs on a running Consul cluster without an outage
Turning on the Consul ACL system on a datacenter that has none without a service-discovery outage, and why the permissive-first, deny-last order matters.
HashiCorp Consul