Upgrade Consul with Zero Downtime Using Autopilot
Consul's Autopilot mode is designed to let you upgrade your Consul cluster without any service interruptions, but it's a bit of a misnomer – it's more o.
Consul Articles
50 articles
Query the Consul Catalog API for Service Discovery
Consul's catalog API doesn't actually perform service discovery; it exposes the results of Consul's internal service discovery process.
Peer Consul Clusters Across Environments Without WAN Federation
Peer Consul Clusters Across Environments Without WAN Federation — practical guide covering consul setup, configuration, and troubleshooting with real-wo...
Deploy a Production Consul Cluster: Sizing, TLS, and ACLs
Consul's primary function is to provide a distributed, highly available service catalog and configuration store, but what truly makes it production-read.
Federate Consul Datacenters for Multi-Region Service Mesh
Consul datacenters can be federated to create a single, unified service discovery and mesh control plane across multiple geographic regions.
Collect a Consul Debug Bundle for Incident Investigation
A Consul debug bundle isn't just a collection of logs; it's a point-in-time snapshot of your Consul cluster's internal state, designed to help you diagn.
Query Consul Services via DNS Interface
Consul's DNS interface is not just a simple DNS server; it's a dynamic, real-time service discovery mechanism that reflects the current state of your se.
Install Consul Service Mesh on EKS
Consul's service mesh capabilities on EKS are fundamentally about injecting sidecar proxies that intercept and manage all network traffic between your s.
Isolate Teams with Consul Enterprise Namespaces
Consul Enterprise namespaces are a powerful way to isolate teams within a single Consul datacenter, but they're not just about access control; they fund.
Configure Envoy Proxy Sidecars in Consul Service Mesh
Configure Envoy Proxy Sidecars in Consul Service Mesh — practical guide covering consul setup, configuration, and troubleshooting with real-world examples.
Export Services Across Peered Consul Clusters
Consul's export services feature allows you to expose services registered in one Consul cluster to other Consul clusters, even if they are not directly .
Register External Services in Consul for Unified Discovery
Consul's service discovery isn't just for services running inside your Consul cluster; you can register external services, making them discoverable by y.
Encrypt Consul Gossip Traffic with a Pre-Shared Key
Consul's gossip protocol, the backbone of its distributed consensus and service discovery, is unencrypted by default, leaving your cluster's internal co.
Configure HTTP, TCP, and Script Health Checks in Consul
Consul health checks aren't just for telling you if a service is up; they're how Consul decides what healthy instances to send traffic to and which ones.
Route External Traffic to Mesh Services with Consul Ingress Gateway
Consul's Ingress Gateway doesn't just route external traffic; it actively terminates TLS, injects mTLS, and enforces authorization policies before traff.
Install Consul on Kubernetes with Helm
Consul on Kubernetes with Helm is fundamentally about treating your service discovery and configuration management system as just another distributed ap.
Use the Consul KV Store for Distributed Configuration Management
The Consul KV store is surprisingly effective for distributed configuration management precisely because it's not designed for it.
Connect Consul Datacenters with Mesh Gateways
Consul datacenters are connected by Mesh Gateways, but they don't actually know about each other's existence until you explicitly tell them to.
Configure Consul Prepared Queries for Multi-Datacenter Failover
Consul's prepared queries are more like intelligent, stateful DNS records than simple DNS queries, capable of actively managing service discovery across.
Isolate Consul Agents with Network Segments
Isolate Consul Agents with Network Segments. Consul agents can communicate with each other across different network segments e. g
Deploy Consul Service Mesh on Kubernetes
Consul on Kubernetes isn't about making your services talk to each other; it's about making them trust each other, even if they're written in different .
Tune Consul for High-Throughput Service Discovery
Consul's default settings are surprisingly inefficient for high-throughput service discovery, often leading to unnecessary network chatter and increased.
Write Consul Prepared Queries for Automatic Service Failover
Consul's prepared queries are not just for fetching service health; they're actually a sophisticated, server-side routing mechanism that can automatical.
Set Global Proxy Defaults in Consul Service Mesh
Consul's default proxy behavior isn't what you'd expect; it's not about setting a global proxy. config but about configuring the upstream proxy settings.
Rate Limit Service Traffic in Consul Service Mesh
Consul's rate-limit configuration doesn't actually limit traffic at the network level; it controls how many requests a service acknowledges within a giv.
Configure Consul Redundancy Zones for High Availability
Consul's high availability isn't about having multiple Consul servers; it's about having multiple voting Consul servers that form a consensus group.
Configure Consul Server and Agent for Production
Consul servers don't actually do anything with your services; they just coordinate the agents. Let's get Consul humming in production
Configure Consul for Strongly Consistent Reads
Consul's default read behavior prioritizes availability over strong consistency, meaning you might not always get the absolute latest data on a read.
Set Per-Service Defaults in Consul with ServiceDefaults CRD
Consul's ServiceDefaults Custom Resource Definition CRD lets you configure default behavior for services without touching their individual configuration.
Register and Discover Services with Consul
Consul doesn't actually "register" services in the way you might think; it's more about announcing their existence and health.
Write Consul Service Intentions to Control L7 Traffic
Consul service intentions are the primary mechanism for controlling L7 traffic flow between services within a Consul-managed environment.
Connect Services Securely with Consul Connect Service Mesh
Consul Connect isn't just about encrypting traffic; it’s fundamentally about authorizing services to talk to each other, even when you have no idea who .
Register Services Programmatically with the Consul API
Consul's service registration API is surprisingly flexible, allowing you to define services not just through static configuration files, but dynamically.
Back Up and Restore Consul State with Snapshots
Consul snapshots are not just point-in-time backups; they are a full serialization of the Consul state machine, including all data and configuration.
Filter Service Discovery Queries by Tag in Consul
Consul's service discovery is fundamentally a giant, distributed hash map, and the keys you use to look up services are a combination of the service nam.
Expose Consul Metrics to Prometheus
Expose Consul Metrics to Prometheus — practical guide covering consul setup, configuration, and troubleshooting with real-world examples.
Render Config Files Dynamically with consul-template
consul-template lets you turn static configuration files into dynamic ones, updating them automatically whenever upstream configuration changes.
Access External Services from the Consul Mesh via Terminating Gateway
Access External Services from the Consul Mesh via Terminating Gateway — practical guide covering consul setup, configuration, and troubleshooting with r...
Manage Consul Resources with the Terraform Provider
The most surprising thing about managing Consul resources with Terraform is how much of its power comes from treating Consul itself as a data source for.
Automate Network Infrastructure with Consul-Terraform-Sync
Consul-Terraform-Sync is the glue that lets your Terraform infrastructure-as-code talk to your dynamic network environment.
Configure TLS Certificates for Consul Agent Communication
Consul doesn't actually use TLS certificates to configure agents; it uses them to secure communication between agents and between agents and clients.
Create and Manage Consul ACL Tokens and Policies
Consul ACLs aren't just for authentication; they're the primary mechanism for authorizing which services can talk to which other services, and what they.
Enable Transparent Proxy in Consul to Capture All Pod Traffic
Consul's transparent proxy intercepts all pod traffic by hijacking network routes, making pods unaware they're being proxied.
Integrate Consul with Vault for Dynamic Secret Injection
Consul and Vault can dynamically inject secrets into your applications, eliminating the need to store credentials directly in your code or configuration.
Upgrade Consul to a New Version Without Service Disruption
Upgrade Consul to a New Version Without Service Disruption — practical guide covering consul setup, configuration, and troubleshooting with real-world e...
Set Up WAN Gossip for Consul Multi-Datacenter Federation
Consul's WAN gossip is the backbone of multi-datacenter federation, allowing your Consul clusters to discover and communicate with each other across geo.
Trigger Actions on Consul State Changes with Watches
Trigger Actions on Consul State Changes with Watches — practical guide covering consul setup, configuration, and troubleshooting with real-world examples.
Set Up Consul ACL Policies to Control Service Access
Consul ACLs don't just grant permissions; they fundamentally shift how you think about trust by treating every service request as potentially hostile.
Route External Traffic into Your Mesh with Consul API Gateway
Consul API Gateway doesn't actually route traffic; it's the piece that declares the intent for traffic to be routed, and the underlying Envoy proxies ar.
Enable Audit Logging in Consul Enterprise for Compliance
Consul Enterprise's audit logging is often perceived as a simple on/off switch, but its true power lies in how it fundamentally shifts the system's oper.