Advanced Docker Enterprise Troubleshooting (en)
- In this course, you’ll learn how to create and manage individual containers using the Docker Engine. We’ll cover best practices in container image design and container deployment and auditing, as well as an introduction to single-node container networking and storage. This course is best practices focused, and is designed to enable rapid successful adoption of containerization from first principles.
- COD: CN310
- CATEGORIES: Mirantis CNA

Description
Objectives of the course
Addtional Information
Description
Notice:
- The CN310 course will no longer be available after April, 2021
Who Should Attend
This course is targeted at students with the following:- Motivations: Provide support and day-2 ops for production-grade Docker Enterprise clusters hosting mission critical applications.
- Roles: SREs, support teams or operators managing Docker Enterprise
Lab Requirements
- Laptop with WiFi connectivity
- Attendees should have the latest Chrome or Firefox installed, and a free account at strigo.io.
Objectives of the course
- Containerized application diagnostic strategies
- Containerization tooling audits and tracing
- Workload tracing and troubleshooting
- Network tracing
- Severity triaging & identifying genuine problems
- Logging & Monitoring Strategies
- Sources of platform and application data
- Manipulating and ingesting container logging data
- Docker Enterprise Documentation
- Navigating the docs
- Finding usage, troubleshooting and best practice documentation
- UCP Support Dumps
- Generating support dumps automatically and manually
- Interpreting the contents of support dumps
- Troubleshooting Resource Problems
- Detecting memory, CPU and I/O constraints
- Mitigating resource overconsumption
- Troubleshooting Networking Problems
- Review of Swarm networking implementation
- Common Swarm networking problems and mitigations
- UCP networking requirements, failures and mitigations
- Swarm and Kube DNS troubleshooting
- Troubleshooting UCP
- Correlating UCP errors with UCP components and logs
- Investigating state reconciliation failures with etcd and rethinkdb
- Troubleshooting DTR
- Correlating DTR errors with DTR components and logs
- DTR resourcing and sizing for mitigating poor performance
- Auditing DTR job logs and activity monitors
- Automated DTR disaster recovery
- Disaster Recovery
- Backing up Swarm, UCP and DTR
- Restoring from backups
Addtional Information
Duration: 2 days
Delivery – Classroom, On Site, Remote
PC and SW Requirement:
- Internet connection
- Web browser – Google Chrome
- Zoom
Language
Instructor: English
Workshops: English
Slides: English