Linux – Advanced Administration (LNX2)

Unix-like systems, Linux - administration

This course gives hands-on, detailed training in advanced Linux administration. You will work on kernel compilation, GRUB2 boot configuration and systemd unit management, plus boot diagnostics and recovery. Practical exercises focus on real-world troubleshooting and system availability.

It also covers advanced storage and filesystems with LVM, RAID, iSCSI, multipath and BTRFS, plus backup strategies and recovery. Monitoring, localization and time sync tools are taught to improve performance, security and service availability.

THIS TRAINING COURSE WILL HELP YOU:

  • Diagnose and fix boot issues and manage systemd
  • Configure advanced storage (LVM, RAID, iSCSI, multipath, BTRFS)
  • Set localization and network time synchronization
  • Monitor and tune system load (CPU, memory, disk, network)
  • Perform system recovery and secure access (rescue modes, root reset)

WHO SHOULD ATTEND?

  • Linux system administrators
  • DevOps engineers
  • Storage administrators (SAN/NAS)
  • IT operations teams responsible for availability

COURSE LOCATION AND AVAILABLE DATES



Choose whether to attend in person in our classroom or join online. You can select your preferred format during registration. Learn more about hybrid training.
Brno + online (optional)
Praha + online (optional)
Private training

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Course content:

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  • Overview and boot troubleshooting
    1. Description of the boot process and its phases; BIOS/UEFI
    2. GRUB2 bootloader configuration and booting the Linux kernel
    3. Behavior and role of systemd after boot
    4. Managing, creating and editing unit configurations: service, mount, timer, target
    5. Monitoring and diagnosing boot, rescue mode, recovering forgotten root password
  • Kernel and devices
    1. Kernel concepts, /proc and /sys virtual filesystems, using sysctl
    2. Working with devices: listing, adding, removing and configuration
    3. Managing kernel modules
  • Advanced disk and filesystem configuration
    1. Overview of disk configuration options
    2. SAN basics, using iSCSI, multipathing and multipathd
    3. RAID arrays: hardware and software implementations, working with md devices
    4. Working with LVM: dynamic operations on logical volumes and filesystems
    5. Standard filesystems: types, creation, mounting and system configuration
    6. Filesystem checking and tuning
    7. Creating, using, configuring and features of BTRFS
  • Backups
    1. Methods and options for backing up systems, applications and data
    2. Full, incremental and differential backups
    3. Network backups and tools: rsync and rdiff-backup
  • Localization and time settings
    1. Locale and localization settings: variables and tools
    2. Network time synchronization: services, commands and configuration
  • Monitoring system load
    1. Monitoring core system components: CPU, memory, disks, network
    2. Tools and commands for monitoring, display and interpretation of results
    3. Long-term monitoring techniques and tuning via system parameters and configuration changes
Prerequisites:
Basic Linux administration skills and fundamental TCP/IP knowledge, including Linux configuration.
Recommended previous course:
Linux – Basic Administration (LNX1)
Recommended follow-up course:
Linux – Network Environment Administration (LNX3)
Schedule:
3 days (9:00-17:00)
Price per person:
504.00 € ( 609.84 € incl. 21% VAT)

Training and learning environment

IT classroom with desks, computer monitors, and a projection screen at the front.
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.
Exterior view of the COMGUARD office building on Sochorova Street in Brno.
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.
Exterior view of the Opatov Park office building in Prague, Chodov.
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.
Fully equipped kitchenette with a coffee machine, microwave, sink, and shelves with cups and glasses.
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.
Coffee station featuring an automatic coffee machine, yellow and white cups, glasses, and syrups.
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.
Table with sweet pastries, fruit syrups, a water dispenser, and glasses set up for training participants.
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.
Wicker baskets filled with packaged savory snacks, sweet biscuits, and snack bars.
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.
Outdoor wooden terrace with green surroundings by the glass building of the training center.
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.
Spacious outdoor wooden terrace with seating and views of the surrounding area.
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.