Linux Security Training Course

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Course Language

This course is delivered in Polish or English.

Course Code


Duration Duration

14 hours (usually 2 days including breaks)

Requirements Requirements

Knowledge of any Unix-like

Overview Overview

During the course, participants will learn among other things as:

  • How to hack into the server and how to protect your server against hackers?
  • How to see the user's password and how to select the password?
  • How to limit user resources (memory, CPU time, the maximum number of processes, number of logins, etc ...)?
  • How to check if the files on the disk are damaged or how to check if someone with them "tinkered"?
  • How to send log files to remote machine?
  • How to protect your log files before modification?
  • How to securely erase files so that no one could have them anymore preview?
  • How to create an encrypted file system?
  • How to encrypt and sign files?
  • How to protect yourself from exploits?

Course Outline Course Outline

Securing the physical console

  • Protection against accidental restart CTRL + ALT + DEL
  • Prevention booting kernel with additional parameters
  • Automatic session logout
  • Locking the virtual console

Upgrading the system

The rights and ownership

  • Umask
  • SUID
  • Sticky bit

Hard links

Security file systems

  • Mounts partition with additional parameters
  • Determining the size of the partition and file system
  • Capacity Limits for Users (quota)

Backup system

Data integrity checking

  • MD5sum and friends
  • dm-verify

Safe file delete

  • Secure delete (s) attribute
  • Secure undelete (d) attribute
  • Wipe, shred

Filesystem encryption

  • dm-crypt
  • LUKS
  • ecryptfs

File signing and encryption

  • Program GnuPG
  • Program PGP

Login accounting

Process accounting

Program and kernel messages logging

  • Remote logging
  • Securing logfiles
  • Preventing log tampering
  • Next generation syslog
  • journald
  • Log monitoring
  • Log files and other forms of monitoring

Cracking passwords

Login and PAM

System security and Kernel

  • OpenWall
  • GetRewted
  • LIDS

Guaranteed to run even with a single delegate!
Public Classroom Public Classroom
Participants from multiple organisations. Topics usually cannot be customised
From 1279PLN
Private Classroom Private Classroom
Participants are from one organisation only. No external participants are allowed. Usually customised to a specific group, course topics are agreed between the client and the trainer.
Private Remote Private Remote
The instructor and the participants are in two different physical locations and communicate via the Internet
From 2900PLN
Request quote

The more delegates, the greater the savings per delegate. Table reflects price per delegate and is used for illustration purposes only, actual prices may differ.

Number of Delegates Public Classroom Private Remote
1 1279PLN 2900PLN
2 1040PLN 1850PLN
3 960PLN 1500PLN
4 920PLN 1325PLN
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Upcoming Courses

VenueCourse DateCourse Price [Remote/Classroom]
Opole, Wladyslawa Reymonta 29Mon, 2016-11-07 09:002900PLN / 1779PLN
Toruń, ul. Żeglarska 10/14Mon, 2016-11-07 09:002900PLN / 1479PLN
Zielona Góra, ul. Reja 6Wed, 2016-11-09 09:002900PLN / 1379PLN
Kielce, ul. Warszawska 19Thu, 2016-11-17 09:002900PLN / 1579PLN
Częstochowa, ul. Wały Dwernickiego 117/121Tue, 2016-11-22 09:002900PLN / 1579PLN

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