Load-Balancing Clusters Using Linux Virtual Servers (LVS)

Unix-like systems, Linux - administration

Building a Load Balancer system offers a highly available and scalable solution for production services using specialized Linux Virtual Servers (LVS) for routing and load-balancing techniques configured through Keepalived and HAProxy. This course discusses the configuration of highperformance systems and services using the Load Balancer technologies in Red Hat Enterprise Linux.

COURSE LOCATION AND AVAILABLE DATES



Need this course in English?

Public courses are usually delivered in Czech, but this course is also available in English. We can arrange private training for your team online, at your premises or in our classrooms, and tailor the content to your needs.

For groups of around 4 or more participants, private training can already be comparable in price to booking individual places on a public course. Send us your requirements and we’ll recommend the best format and provide an exact quote.

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Course content:

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  • Introduction
    1. Evolution, functionality and purpose of HA solutions via load balancing, terminology
    2. Comparision of kernel based and application based solutions
    3. Sources and docs, alternatives
  • Keepalived
    1. Basic Keepalived load balancer configuration
    2. A three tier configuration
    3. Scheduling and routing methods
    4. Persistence and firewall marks
    5. The NAT load balancer
    6. Load balancer using direct routing
    7. Configuring services
    8. Configuring packet filtering, packed forwarding and nonlocal binding
    9. Configuring services on real servers
  • HAProxy
    1. Concept and functionality
    2. Scheduling alghorithms
    3. Global, frontend and backend settings
    4. Traffic management
  • Exercise
    1. Practical example
    2. Configuring load balancing solution with primary/backup load balancer
    3. Configuration for common applications
Prerequisites:
Previous knowledges with advanced Linux administration and TCPIP networking
Schedule:
1 day (9:00-17:00)

Training and learning environment

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What does the environment for in-person IT courses look like?We hold training courses in our own classrooms equipped with modern computer equipment for each participant and a large projection screen. Each workstation is fitted with a powerful computer for seamless practical exercises, and the environment supports a calm, friendly atmosphere during training.
IT classroom with desks, computer monitors, and a projection screen at the front.
Do I need to bring my own laptop to the classroom IT course?Our training rooms are fully equipped, so you do not need to bring your own laptop. A modern computer with all necessary hardware and software is ready for you at your workstation.
Sample ICT Pro certificate of successful completion of an IT training course.
Will you receive an official certificate after completing an IT course?Yes, upon successful completion of the training course, you will receive an official ICT Pro certificate confirming your participation and acquired technical skills. You can use it to verify your qualifications or add it to your professional profile.
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Where can you find our training center in Brno?The premises of the ICT Pro training center are located on the 1st floor of the COMGUARD building at Sochorova 38 in Brno. Positioned on the border of Žabovřesky and Komín, the location is easily accessible by both car and public transport.
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Where can you find our training center in Prague?The premises of the ICT Pro training center are located on the 1st floor of the Opatov Park building at Líbalova 1, Prague 11 – Chodov. The location provides a comfortable environment for your education with convenient access.
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What facilities and refreshments are available to you during training breaks?Our training centers feature a fully equipped kitchenette for a comfortable break during your courses. The facilities include a coffee machine, microwave, kettle, and a wide selection of drinks and snacks.
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What beverage refreshments are available during your course?A beverage station with a coffee machine, teas, syrups, and water is at your disposal throughout the entire training session. You can enjoy a coffee or another drink of your choice anytime during breaks.
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What light refreshments are provided for you during the courses?During course breaks, participants can enjoy light sweet snacks, pastries, and fruit syrups to mix their own drinks. Fresh water dispenser and plates are also available for your convenience.
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Should I bring my own snacks to ICT Pro training?There is no need to. A wide selection of savory snacks, sweet biscuits, and snack bars is available for you during breaks. Boost your energy for all-day focus right inside the training center premises.
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Can you spend training breaks in the fresh air?Yes, an outdoor terrace is available at our training center. During breaks between learning sessions, you can relax in the fresh air in a pleasant green environment.
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Where can you relax during course breaks?Our training center features a spacious outdoor terrace with seating options. During breaks between learning sessions, you can step outside to relax and recharge in the fresh air.