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These docs are for v2025.1. Click to read the latest docs for v2025.2.
Quick Start
Overview
Getting Started on Windows
Getting Started with Docker
What's New in 2025.1?
Upgrading Seq
Getting Logs into Seq
Overview
API Keys
Logging from .NET
Serilog
Microsoft.Extensions.Logging
NLog
log4net
OpenTelemetry .NET SDK
Logging from Node.js
Logging from Python
Logging from Java
Logging from Ruby
Logging from Go
Logging from OpenTelemetry
Ingestion with HTTP
Ingestion with GELF
Collecting Docker Container Logs
Collecting Kubernetes Logs
Other Log Sources
Syslog
RabbitMQ
Windows Event Logs
PowerShell
Scripts & Automation
Log Files
Application Health Checks
Getting Traces Into Seq
Overview
Tracing from .NET
OpenTelemetry .NET SDK
SerilogTracing
Tracing from Node.js
Tracing from OpenTelemetry
Tracing from Python
Ingestion with HTTP
Making Traces Useful
Using Seq
Search and Analyze Logs and Traces
Search Expression Syntax
Simple Functions and Operators
Built-in Properties
Query Syntax
Aggregate Functions
Working with Dates and Times
Variables
Filter with Signals
Tracing
Dashboarding
Alerting
Organizing Workspaces
Visualization
Sending Notifications
Installing Output Apps
Notifying with Email
Notifying with Slack
Calling Webhooks
Alert Notification Properties
Template Syntax
Administration
Managing Users
OpenID Connect Authentication
IdentityServer Setup
Microsoft Entra ID Authentication
Active Directory Authentication
Retention Policies
Seq Apps
Managing Storage
Deleting Events
Indexing
How do Signal Indexes work?
Internal Error Reporting
Usage Telemetry
Exporting Log Data
Event backup with JSON Archive
Migrating Seq Data
The Secret Key
Auditing
Audit Schema
Audit Events
Recovery Keys
Recovering without a Recovery Key
Monitoring Seq
Deployment on Windows
Overview
System Requirements
Storage
URLs
HTTPS (TLS/SSL)
Configuring HTTPS with HTTP.sys
Service Account Requirements
Backup and Restore
Using SQL Server as a Metastore
Unattended Installation
Deployment Checklist
Deployment with Docker
Overview
Image Tags
Configuration
Init Scripts
Storage
Memory
HTTPS (TLS/SSL)
Running Server Commands
Getting a Shell to a Seq Container
Backup and Restore
Using PostgreSQL as a Metastore
Hardware Requirements
Deployment in Kubernetes
Using Helm
Storage
Memory
Ingress
Deployment in Azure
Using a Virtual Machine
Using Kubernetes Services
Using Azure Container Instances (ACI)
Using Azure Websites, Container Apps, or App Service
Clustering
Clustering Overview
Setting up a Seq HA Cluster
Configuring a Cluster Load Balancer
Configuring a Cluster State Database
Configuring a Cluster Diagnostic Instance
Configuring a Clustered Seq Node
Securing Intra-cluster Communication
Finalizing Cluster Configuration
Adding, Updating, and Removing Nodes
Cluster Monitoring and Diagnostics
Converting a Standalone Seq Instance into a Cluster
Migrating Legacy DR Clusters to HA
Developer Guide
Using the HTTP API
Server API Endpoints
Writing Seq Apps in C#
Writing Seq Apps in Other Languages
Writing Custom Inputs
Command-line Client
Troubleshooting
Ingestion Troubleshooting
Performance Troubleshooting
Stability Troubleshooting
Data Recovery
Reference
Server Command Line
Server Configuration
Security
Data Storage
Version Support Policy
Acknowledgements
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