Advanced Linux administrator Course

LC-ADMIN-S

The course is available on demand.

Suggest a time that suits your schedule

Remote training: online live with a trainer and a group. Available on demand, at time and place convenient to you , for groups of at least 5 participants .

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Price: 1290 EUR

ability to pay in 3 installments


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Advanced Course for Administrators

  • groups of 4-12 people,
  • for those who want to further extend their knowledge or are interested in particular implementations,
  • covers several advanced topics - from LVM, virtualization, monitoring, through automatic backups and mailservers, to Samba (e.g., PDC) and cataloguing services (LDAP) with replication,
  • 1290 EUR
    • instalment payment plans available for private persons
      more information here

Our course is intended for those who:

  • want to increase their administrating knowledge and raise their job qualifications,
  • are interested in some of the services discussed during the course,
  • or just want to learn new useful, interesting and simply fun solutions that we describe during the course.

This course is a very good and very advanced course. Our instructors are experienced administrators whose everyday job includes implementing Linux solutions. Learning the presented topics during hands-on workshop (including configuration supervised by the instructors) is much easier and faster than learning them on one's own from the documentation. Our instructors, who have a lot practical experience, discuss during the classes actual implementation scenarios and, for example, warn about common mistakes.

We believe the course is worth the time and the price, and highly recommend it.

Requirements: at least intermediate familiarity with Linux system administration.

Valuable knowledge and skills

download detailed course programme >>

Brief outline: the course covers the following topics (each in a separate, several hours' long block): LVM, server virtualization (including detailed review of XEn, KVM and QEMU), system monitoring (tracking states and trends), backup solutions (including: network backup system Bacula - SSL, GUI; backing up a whole heterogeneous environment - UNIX, Windows), cataloguing services (LDAP), fat client systems with central authorization (LDAP, Kerberos) and network filesystems (NFS, CIFS), Samba as a domain controller (PDC), cooperating with LDAP and in Windows Server 2003/2008 environment, advanced mail server configuration, including modern anti-spam techniques and VPN (in particular IPsec and OpenVPN). During each block we discuss also security issues and good administrating practices.

Theory is important, but practice matters most.

  • during each class students configure the discussed services themselves,
  • thorough supplementary materials, both paper and electronic, help the students expand their knowledge easily and with pleasure not only during the classes, but also at home.

In case you have any questions about the course programme, e-mail or call us!

Certification

After the course we issue a certificate of course completion that contains a detailed list of acquired skills.

We are a Linux Professional Institute (LPI) Authorized Partner, and this course, like our other Linux courses, prepares the participants to take LPI examination and obtain LPI certification. Our basic course, Linux Administrator, provides complete knowledge necessary for passing LPIC-1 - Junior Level Linux Certification - exams, and also covers much of the knowledge needed for the LPI 201 and 202 exams, which provide the LPIC-2 certificate - Advanced Level Linux Certification. This course, the Advanced Linux Administrator, allows you to take the highest-level LPI exams (LPI 301 or 302), which provide the LPIC-3 certification - Senior Level Linux Certification

The prices of exams are: LPI 201 and 202 - 145 Euro, LPI 301 - 225 Euro. The exams can be taken at any authorized Pearson VUE testing centre.

For more information about external certificates please contact our office.

Course programme

  1. LVM: advanced configuration and administration
    • designing and implementing LVM-based solutions
    • lvm2 tools
    • device-mapper
    • place and data management
    • backups
    • data recovery
    • snapshots
    • selecting an appropriate file system
    • encrypted filesystems
  2. Full virtualization. Paravirtualization.
    • XEN
      • possibilities
      • installation, preparing the server, server migration
      • handling and partitioning the hardware, performance analysis
      • configuration, designing virtual network infrastructure
      • user space tools, the console
      • migrating sessions-in-progress
  3. System monitoring
    • SNMP protocol and SNMP support in Linux
      • snmpd daemon,
      • monitoring network devices.
    • Munin
      • trend tracking
      • implementation, configuration
      • troubleshooting performance problems using Munin
    • Nagios
      • state tracing
      • how does it work,
      • designing and preparing the implementation,
      • dependencies between hosts and services,
      • configuration of monitoring mechanisms (NRPE, NSCA, SNMP),
      • setup notification (user groups, notification via text messages and email),
      • custom plugins.; event handlers.
  4. Backups and data security
    • backup types
      • disk array
      • unstructured copy
      • full copy, incremental copy, differential copy
    • Creating simple file archives (zip, gzip, bzip2, lzma)
    • Rdiff-backup.
    • What hardware to use for backup data storage?
    • Backup system design; backup strategies; what is the minimal set of data to backup
    • Protecting data on customer’s devices
  5. Directory services, LDAP
    • an introduction to directory services.
      • the LDAP protocol, searching the directory
      • public LDAP directories
      • an introduction to coherent authentication infrastructure design, using an LDAP directory.
      • dedicated client tools, examples of use (email client, access point)
    • OpenLDAP
      • installation and configuration
      • security (encrypted client-server communication)
      • folder replication
    • ApacheDS
      • setup and configuration
      • unique features
    • Typical directory authentication solutions:
      • Linux (PAM and NSS), typical system services
      • HTTP Server: Apache, Lighttpd
      • Email: Exim, Postfix, Dovecot, etc. (via SASL).
    • Administration
      • Migrating existing accounts to the directory
      • Overview of tools that facilitate administration of user accounts: phpldapadmin, LAM, migration-tools, smbldap-tools.
  6. Samba as a domain controller
    • an introduction to smb: theory, protocols, ports.
    • domain controller mode (PDC). Storing data and user profiles – an overview of available options.
    • storing database access rights in different formats.
      • standard (tdb), XML, smbpasswd, LDAP directory
      • samba database tools, migrating between different databases
    • Integrating LDAP with Samba
      • PAM, NSS
      • benefits of using a directory – cost-benefit analysis and implementation
      • setup, tuning and securing the server
      • user management scripts, automatic and manual
      • replication – case study (using OpenLDAP)
      • administration tools
    • Cooperating with an existing Windows 2008 server – samba as a domain client
      • working with Active Directory
      • authentication from an Active Directory server (samba as a domain client)
      • Kerberos – principles of operation, installation, configuration for a samba account
      • Winbind (description and configuration)
    • Migration strategy: Windows -> Samba
    • Samba for Linux clients
      • a comparison with NFS
      • CIFS protocol
    • Presentation and analysis of current and future solutions for providing interactions between Linux and Microsoft systems.
  7. E-mail – Exim.
    • anatomy, installation, configuration
    • delivering messages, manual control, testing, performance analysis
    • command-line tools
    • Exim Query Language, tailoring the system to suit your needs
    • Exim filters: the syntax
    • additional acls at different stages of processing
    • virtual domains and virtual accounts, different solutions for their storage (system, files, databases, LDAP)
    • authentication methods (authenticators, SASL)
    • limits (quotas)
    • encrypting the communication
    • implementing anti-spam and anti-virus in the early stages of mail processing
    • SpamAssassin – theory, configuration and learning
    • sa-exim
    • ClamAV
    • spf – generating records
    • dkim – digital signatures
    • configuring servers in a large network
    • information exchange between mail servers
    • greylisting: problems and solutions
    • configuring a complete, secure e-mail infrastructure based on Exim and Dovecot (IMAP and POP3), monitoring its work.
    • Example of using Exim as a spam gateway for Microsoft Exchange Server.
  8. E-mail – postfix.
    • Mail systems based on Postfix
    • design, installation, configuration
    • Postfix configuration, how does it work
    • maps, data sources
    • command line tools, server support
    • authentication
    • encryption of communications
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