IT Infrastructure Services 2025 Course

Course rules: link.

Video lectures: link.

Discord channel invite: link.

Virtual machines: link.

Class times:

• Wednesday 16:00 -- room 314 -- lecture -- video is recorded
• Wednesday 17:45 -- room 217 -- lab -- video is recorded
• Thursday 16:00 -- room 217 -- lab
• Thursday 17:45 -- room 217 -- lab

Lab task is presented on Wednesdays at 17:45. You can watch it live, or later any time that is convenient for you.

It's not required to come to class -- you can complete the tasks at home.

On a lab class we answer questions about previous 2 labs only. If you have any questions about older labs (say, question about lab 1 on the week 4) please use email or GitHub issues. We would like not to handle these in class.

Course agenda

Week 1: Intro

• Lecture: Introduction to the course; IaaC; Ansible
• Lab: Setup

Week 2: Toolchain

• Lecture: SSH basics
• Lab: Ansible basics

Week 3: Web server

• Lecture: Web servers; dynamic web resources; web app deployment
• Lab: Deploy a simple web application; Ansible handlers

Week 4: Troubleshooting

• Lecture: Troubleshooting; Ansible variables; Ansible Vault
• Lab: MySQL server as a backend for web application

Week 5: DNS

• Lecture: DNS server; Jinja2 templates
• Lab: Bind9 as a DNS server

Week 6: Prometheus

• Lecture: Node exporter; Prometheus; HTTP reverse proxy
• Lab: Setup node monitoring with Prometheus

Week 7: Grafana

• Lecture: Mysql exporter; Bind exporter; Nginx exporter; Grafana
• Lab: Install Grafana and exporters for running services

Week 8: Logging

• Lecture: Grafana Loki, Promtail
• Lab: Configure cenralized logging

Week 9: Backups

• Lecture: Backup theory
• Lab: Prepare backup infra

Week 10: Backups

• Lecture: Backup demo
• Lab: Set up automatic backups

Week 11: High availability

• Lecture: Intro to high availability; MySQL replication; MySQL clustering
• Lab: Set up MySQL replication

Week 12: Virtualization, Docker

• Lecture: Intro to virtualization; Containerization
• Demo: Docker basics
• Lab: Redeploy some of the previous apps as Docker containers

Week 13: HAProxy

• Lecture: Load balancers; HAProxy; Keepalived
• Lab: HAProxy; Keepalived

Week 14: DNS HA

• Lecture: DNS HA setups
• Lab: Secondary Bind9

Week 15: Final lab

• Lecture: Final lab task
• Lab: Final lab

Week 16: Final lab defences

• First final lab defence attempt (optional)

Final lab defence times

TODO - Discord

TODO - Discord

TODO - Discord

You can choose any 2 times to present your final lab in addition to week 16, 3 attempts in total.

Teacher contacts

Email: roman.kuchin@itcollege.ee

For public discussions/questions please use GitHub issues.